FinTech App Development Company

FinTech App Development Services

Digital banking, payments and lending products built compliance-first. We scope the regulatory perimeter before writing code, because that is what decides your architecture.

Trusted by teams worldwide

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In short

What is fintech app development?

Fintech app development is building software that moves, stores or manages money for customers: digital banks, wallets, payment apps, lending, investing and insurance products. Beyond the app screens it covers identity checks (KYC), anti-money-laundering monitoring, a ledger that always balances, secure payment integrations and the rules of every market you operate in.

Appther builds fintech apps end to end, from compliance scoping and architecture to iOS, Android, web and the back office your operations team runs on. Every project starts with a fixed-price proposal, so the budget is agreed before the build.

Updated · Reviewed by Appther’s fintech engineering team

Financial Products, Engineered for Trust

Six product categories covering the regulated financial services we build most often.

01

Digital Banking & Neobanks

  • Full-featured mobile banking
  • Neobank apps with accounts, cards, transfers, savings vaults, and…
  • Plus core-banking and BaaS integrations
Explore
02

Digital Wallets & Payments

  • E-wallets, P2P transfers, QR, contactless payments, bill pay
  • And merchant checkout with 30+ gateway and UPI integrations
Explore
03

Lending & BNPL

  • Digital lending, buy-now-pay-later
  • And micro-loan platforms with automated credit scoring, e-KYC, loan…
  • And repayment engines
Explore
04

WealthTech & Investing

  • Investment, trading
  • And robo-advisory apps with portfolio management, fractional…
  • And automated rebalancing
Explore
05

InsurTech

  • Digital insurance platforms with policy management, instant quotes,…
  • And AI-driven underwriting, risk assessment
Explore
06

Personal Finance (PFM)

  • Budgeting, expense tracking, savings automation
  • And financial-wellness apps powered by account aggregation and AI insights
Explore
Feature modules

Core Modules in a Fintech App

Most financial products are assembled from the same twelve building blocks. Your scope decides which ones are built, which are bought from a provider and which can wait for version two.

01

KYC & onboarding

ID document and selfie checks, sanctions and PEP screening, and risk-based approval in minutes.

02

Accounts & ledger

A double-entry ledger that reconciles every balance, fee and reversal to the cent.

03

Cards

Virtual and physical cards through issuers such as Marqeta, with spend controls and instant freeze.

04

Payments & transfers

P2P, ACH, SEPA, UPI and cross-border rails with status tracking the user can understand.

05

Open banking

Account linking and data aggregation through Plaid, TrueLayer or a regulated provider in your market.

06

Fraud & risk scoring

Rules plus machine learning on device, behaviour and transaction signals, with case review for analysts.

07

Lending engine

Applications, credit decisioning, repayment schedules, collections and key-fact disclosures.

08

Investing & portfolios

Brokerage and custody integrations, model portfolios, rebalancing and tax documents.

09

Notifications & statements

Real-time alerts, monthly statements and receipts, delivered in-app, by email and SMS.

10

Disputes & chargebacks

Guided dispute flows, evidence collection and timelines that match card-network rules.

11

Admin & compliance console

Customer search, limits, manual reviews, suspicious activity cases and role-based access.

12

Reporting & audit trail

Regulatory reports, reconciliations and an immutable log of who changed what and when.

Deep Capabilities

Where FinTech Builds Actually Get Hard

The parts that decide whether you pass diligence, backed by our API and data teams.

Remittance & Cross-Border

Remittance & Cross-Border

Multi-currency remittance and international transfer apps with FX, compliance screening, and low-cost payout rails.

Custom
Blockchain & Crypto

Blockchain & Crypto

Crypto wallets, exchanges, DeFi, and tokenization platforms with secure key management and on/off-ramp integrations.

Custom
RegTech & Compliance

RegTech & Compliance

Automated KYC/AML, transaction monitoring, fraud analytics, and regulatory reporting tools that keep you audit-ready.

Custom
Discovery & Compliance Scoping

Discovery & Compliance Scoping

We map your business model, target markets, and the exact regulatory requirements, defining the compliance and security blueprint before a line of cod

Custom
UX & Secure Architecture

UX & Secure Architecture

Clickable prototypes plus a scalable, zero-trust system design covering data flows, integrations, and infrastructure.

Custom
Agile Development

Agile Development

Two-week sprints with a working prototype by week 3, so you validate features early and steer the build with confidence.

Custom
Compliance by market

Fintech Regulations by Market

The rules change by country, and so does the architecture. These are the frameworks we scope most often and what each one changes in the build.

Fintech regulations by market and what they change in the app
MarketMain rulesWhat it changes in the build
United StatesPCI DSS v4.0, the GLBA Safeguards Rule, Bank Secrecy Act AML with FinCEN, and state money transmitter licencesCard data tokenised out of your systems, sanctions and transaction monitoring, and a sponsor-bank or licensed-partner model
United KingdomFCA authorisation or an agent model, the Payment Services Regulations with Strong Customer Authentication, Consumer Duty and Open BankingSCA journeys with biometrics, plain-language disclosures with outcome monitoring, and Open Banking through a regulated provider
European UnionPSD2, DORA for ICT resilience, GDPR, AML directives and MiCA for crypto-assetsConsent and SCA flows, incident reporting and third-party risk registers, data residency and erasure requests
CanadaFINTRAC AML reporting, Retail Payment Activities Act registration with the Bank of Canada, PIPEDA and Quebec Law 25Suspicious and large-transaction reporting, safeguarding of client funds and privacy impact assessments
AustraliaASIC licensing, AUSTRAC AML/CTF rules, the Consumer Data Right and the Privacy ActOngoing customer due diligence, CDR accreditation or an accredited intermediary, and breach notification
IndiaRBI rules for payment aggregators, prepaid instruments and digital lending, NPCI rules for UPI, and the DPDP ActPayment data stored in India, UPI through a sponsor bank or PSP, and key fact statements with direct loan disbursal
NigeriaCBN licence categories, BVN and NIN identity checks, and the Nigeria Data Protection ActIdentity checks at onboarding, NIBSS and switch integrations, and local data handling
UAECBUAE rules for stored value and retail payments, VARA or ADGM and DIFC rules for virtual assets, and the UAE PDPLUAE Pass identity, Arabic and English interfaces, and hosting that meets the regulator’s expectations

Licences belong to your company or your partner bank. We build the software to meet the obligations, and your compliance counsel signs off the scope. Market guides: Nigeria and Ethiopia.

Free FinTech Compliance Scoping

Building a Financial Product? Get Free Compliance Scoping.

One call about your product, your markets and who holds the money tells you which licences and controls apply, what that means for your architecture and a fixed budget.

Get Your Free Audit

Free · No obligation · Delivered within 48 hours

Planning your project with Appther
Our Process

From Compliance Scope to Live Product

A process where the regulatory perimeter is settled before architecture, not discovered during audit.

1
Week 1

Discovery

We map the product, markets, money flow and regulatory perimeter, then agree a fixed quote.

2
Week 1–2

Design

Secure architecture, data residency and KYC/AML flows designed before build.

3
Week 2–8

Development

Product built in sprints with security review at every milestone.

4
Week 6–10

QA & Hardening

Penetration testing, load testing and a compliance readiness review.

5
Ongoing

Launch & Support

Launch with monitoring, fraud alerting and ongoing support.

Measurable Impact

Numbers From Shipped FinTech Builds

PCI DSS

Aligned by design

Card data handling scoped out of your estate wherever possible.

KYC/AML

Built in, not bolted on

Identity and screening flows designed with the product.

99.9%

Transaction uptime

What a payments backend has to hold to keep money moving.

4–8 mo

To regulated launch

Typical time from discovery to a live, compliant product.

Pricing

How Much Does Fintech App Development Cost?

Most fintech apps fall into one of three bands. Compliance and integrations, not screens, decide where yours lands.

Typical fintech app development costs in US dollars
StageWhat you getTimelineTypical budget (USD)
MVPOne core flow, such as a wallet, payments or lending app, with KYC, a ledger and one payment provider12 to 16 weeks$15,000 to $30,000
Full platformSeveral products, card issuing or open banking, fraud monitoring, admin console and web app5 to 9 months$35,000 to $90,000
Enterprise platformMulti-market, core banking integration, custom ledger, high availability and audit-grade reporting9 months and upFrom $90,000

Compliance scope

Each market and licence type adds onboarding, reporting and audit work.

Build or buy

Banking-as-a-service partners cut months off the build; a custom ledger or core adds them.

Integrations

Every payment rail, card issuer, KYC vendor and core system is its own project.

Platforms

Native iOS and Android, a web app and the admin console are priced separately.

Every quote is fixed-price after a free scoping call. Provider fees, such as card issuing, KYC checks and payment processing, are billed by those providers and estimated up front.

Tech Stack

Our FinTech Technology Stack

Java Spring Boot Node.js Python React Native PostgreSQL Kafka Redis Stripe Plaid Onfido HashiCorp Vault Kubernetes AWS Temporal
Industries

FinTech Across Every Segment

Six financial segments with genuinely different compliance and architecture demands.

Digital Banking solutions
01

Digital Banking

Neobanks and banking-as-a-service products.

  • Account opening
  • Card issuing
  • Ledger integrity
Payments & Wallets solutions
02

Payments & Wallets

Moving money quickly and reversibly.

  • Payment orchestration
  • Wallet balances
  • Settlement
Lending & BNPL solutions
03

Lending & BNPL

Credit decisions and repayment lifecycles.

  • Underwriting rules
  • Repayment scheduling
  • Collections
WealthTech solutions
04

WealthTech

Investing products with market data obligations.

  • Portfolio views
  • Order routing
  • Suitability checks
InsurTech solutions
05

InsurTech

Quoting, binding and claims.

  • Quote engines
  • Policy admin
  • Claims workflow
Cross-Border solutions
06

Cross-Border

Remittance and multi-currency movement.

  • FX handling
  • Corridor compliance
  • Payout rails
Client Voices

Trusted By Teams Who Ship

“Appther built our student competition app exactly the way we envisioned it: easy registration, smooth judging, and real-time results that keep participants engaged.”
Dionna Milem
Dionna MilemOwner · My BOB Team LLC
“Building a mental health app means every detail has to be handled with care, and Appther got that from day one. The product feels warm, simple, and genuinely helpful.”
Bob Singhal
Bob SinghalProfessor of Joy · Joyscore Inc
“Appther exceeded every expectation, on time and on budget, and the final product has been instrumental in scaling our business. A rare engineering partner.”
Johnathan Peffer
Johnathan PefferCEO · Bull's Eye Technologies Inc
“Implementing an ERP across our operations felt daunting at first, but Appther made the transition seamless. Every department now works off a single source of truth.”
Pushpender Kumar
Pushpender KumarGeneral Manager · A.B. Sugars Ltd
Latest Insights

Notes on Building Financial Products

Field notes from real builds. No hype, just what worked and what didn't.

All Articles
Free 30-Minute FinTech Strategy Call

Regulated Products Start With One Conversation. Yours Starts Here.

Walk away from one call with a compliance scope, an architecture direction, a realistic budget range and a delivery timeline. No pitch deck, no obligation.

Compliance scope Budget range Delivery timeline
Book My Free Call
200+Projects delivered
4.9★Client rating
15+Countries served
99.9%Production uptime
FAQ

Questions We Hear Every Week

Fintech app development is building software that moves, stores or manages money: digital banks, wallets, payment apps, lending, investing and insurance products. It includes the KYC and anti-money-laundering checks, the ledger, payment integrations and the regulatory controls each market requires, not only the app screens.
It depends on the market and the product. Card data falls under PCI DSS everywhere. In the US expect GLBA, Bank Secrecy Act AML and state money transmitter rules; in the UK, FCA rules, Strong Customer Authentication and Consumer Duty; in the EU, PSD2, DORA and GDPR; in Canada, FINTRAC and the Retail Payment Activities Act; in India, RBI and NPCI rules with payment data stored locally. We map your obligations in discovery and your counsel signs off.
A focused fintech MVP, such as a wallet, payments or lending app, typically costs $15,000 to $30,000. Full platforms with several products, card issuing or open banking, fraud monitoring and an admin console usually run $35,000 to $90,000, and enterprise platforms start around $90,000. Compliance scope and integrations decide where you land. After a free scoping session we send a fixed-price proposal.
A compliance-ready fintech MVP usually launches in 12–16 weeks. A full-scale platform with multiple products, admin panels, and deep banking integrations takes 5–9 months. We work in two-week agile sprints and deliver a working prototype by week 3 so you can validate early.
Yes. We build compliance in from day one: PCI-DSS for card data, PSD2 and Open Banking for the EU/UK, GDPR and CCPA for data privacy, KYC/AML with automated identity verification, and SOC 2 / ISO 27001 aligned security controls. We also support region-specific frameworks such as RBI guidelines (India), FCA (UK), and FinCEN (US).
Every app ships with a zero-trust architecture: AES-256 encryption at rest, TLS 1.3 in transit, biometric and multi-factor authentication, tokenization of sensitive data, device binding, real-time AI fraud detection, and mandatory penetration testing (VAPT) before launch. We never store raw card or credential data and follow OWASP MASVS mobile security standards.
We integrate 30+ payment and banking providers including Stripe, Adyen, Plaid, Razorpay, UPI, PayPal, Braintree, Marqeta (card issuing), Dwolla (ACH), and Wise (cross-border), plus Open Banking / account aggregation APIs. We also build direct core-banking, ledger, and card-network integrations for enterprise clients.
Yes. We build AI-powered fraud and anomaly detection, credit-scoring and risk models, robo-advisory and portfolio automation, conversational banking assistants, and document/KYC intelligence. Our AI team designs models that are explainable and audit-ready, essential for regulated financial products.
We deliver the full stack: native iOS and Android (or Flutter/React Native) apps, web dashboards, admin and compliance back-office, secure APIs, and cloud infrastructure. You get one accountable team from architecture and design through to launch, monitoring, and scaling.
Appther has shipped 200+ products across 15+ countries, including AI-driven and regulated financial platforms. We combine bank-grade security, compliance-first architecture, and modern UX with fixed-price delivery, a prototype in week 3, and 90 days of free post-launch support, so you launch fast without cutting corners on trust.
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Let's Build Your Financial Product

Tell us what money movement you are enabling and in which markets. No sales pitch, just a straight answer on approach, scope, timeline and cost. Prefer email? Use our contact page.

Free 30-min strategy callScoping and honest, practical advice.
Fixed-price quoteDetailed scope and price after discovery, no surprises.
NDA on requestYour idea and code always stay yours.
Prefer to talk now?+91 99114 32288 · info@appther.com

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