Simple vs NAF Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple
Easily convert currencies and check exchange rates with a clean interface. Features include camera price scanning, travel mode, offline access, and crypto tracking. Unlock advanced features with a one-time purchase.
- Real-time currency conversion
- Camera price scanning
- Travel mode with local currency selection
- Offline conversion with saved rates
- Cryptocurrency price tracking
- Historical rate charts
- Home and Lock Screen widgets
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Simple Currency Converter makes checking prices and exchange rates quick, clear and effortless, whether you are at home or abroad. Enter an amount, choose your currencies and see the converted value instantly. Save favourite pairs, revisit recent conversions and spend less time doing the maths. MADE FOR EVERYDAY CONVERSIONS • Quickly convert between supported currencies • Browse exchange rates using your preferred base currency • Save favourite currency pairs • Search and reuse recent conversions • Optionally choose your starting currency using your location • Enjoy light and dark appearances on iPhone and iPad GROUP SPLIT Split a bill equally and see what each person owes in their own home currency. Enter the total manually, import a photo or take a picture of the bill, then review the detected amount and currency before splitting. Group Split is available to everyone while in beta and is planned to become a Simple Pro feature after the beta period. CAMERA PRICE SCANNING Photograph a menu, receipt, shelf label or price list to see converted prices directly over the image. Choose the source and destination currencies when needed, and collapse the controls for a clearer view. TRAVEL MODE Choose your destination country and let the app select its local currency. Keep your travel currency ready while checking other conversions, then return to Travel Mode whenever you need it. View useful guidance about common notes and coins, tipping customs and local taxes for supported destinations. OFFLINE CONVERSION Keep converting when your connection drops. Simple Pro saves the latest successfully fetched exchange rates for offline use, with clear indicators showing when saved data is being used. CURRENCY RATE HISTORY Explore supported currency pairs over 7 days, 30 days or one year. Clear charts show changes over time, including highs, lows and percentage movements. CRYPTO PRICES AND HISTORY Check prices for leading cryptocurrencies in your preferred currency. Explore historical prices over 7 days, 30 days or one year, with charts and summaries that make movements easier to follow. ENHANCED HISTORY AND WIDGETS Search and reuse previous conversions, review your most-used currency pairs and keep useful conversions close with Home Screen and Lock Screen widgets. Customise how much the widget’s plus and minus buttons change with each tap, with practical increments suggested automatically for each conversion direction. MORE ROOM ON IPHONE DUO Open iPhone Duo to view the converter and currency rates side by side, with Crypto available in its own tab. Return to a familiar single-column layout when space is limited. SIMPLE PRO Unlock camera price scanning, Travel Mode, offline conversion, cryptocurrency prices and history, enhanced conversion history, rate charts and premium widgets with a single lifetime purchase. No subscription. Whether you are comparing prices, planning a trip, sharing a bill or checking market movements, Simple Currency Converter keeps the information you need close at hand. Exchange rates and cryptocurrency prices are indicative and may differ from those offered by your bank or exchange provider. Cryptocurrency information is provided for informational purposes only and does not constitute financial advice.
NAF Mobile
Access your Nigerian Airforce Microfinance Bank accounts in real-time. Perform transfers, pay bills, and top up airtime. Features biometric login and transaction authorization for enhanced security.
- Real-time account access
- Account opening
- Inter-bank transfers
- Bill payments
- Airtime and data top-up
- Biometric login and authorization
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Mobile Banking by Nigeria Airforce Microfinance Bank. This Mobile Banking app gives you real-time access to your accounts. All account holders can subscribe to this service. Below are some of the services you can enjoy from this mobile banking application: • Account Opening • Registration/Sign-Up • Transfers to NAFMFB accounts • Transfers to Other banks • Cable TV Subscription (DSTV, GOTV etc) • Airtime / Data Top Up (MTN, GLO, AIRTEL, etc.) • Electricity (KEDCO, EKO-ELECTRIC etc.) • Biometric (to access the app- Login) • Biometric (for transaction authorization) • Pin (for transaction authorization) • Quick transactions • Beneficiary Management • Loan Services(Coming Soon) • Card Services (Coming Soon) and much more.
Screenshots
Verdict
The clearest difference is in-app purchases: NAF Mobile at none against Simple's 1. NAF Mobile also leads on iOS requirement (12.0 vs 26.0). Simple's advantage is ratings volume (3 vs 1). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Simple sells 1 one-off in-app purchase. NAF Mobile asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Simple against 5.0 for NAF Mobile. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Simple ships an update every 3 weeks, NAF Mobile every 2 weeks. The most recent releases landed on November 7, 2026 and October 15, 2026 respectively.
| Parameter | Simple | NAF Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 30 MB |
| Age rating | 4+ | 17+ |
| Developer | Karl McGeough | LOCALMAN TECH LTD |
Customer experience
Simple
NAF Mobile
In-app purchases
Simple
- Simple Pro Lifetime$4.99
NAF Mobile
No in-app purchases









