Currency Converter Flexchange vs SubTrack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Currency Converter Flexchange
Easily convert currencies with multiple target rates in one view. Features a built-in calculator and offline access to your last synced rates. Track exchange rate movements with interactive charts and customizable lists.
- Multi-currency conversion
- Built-in calculator
- Offline rate access
- Currency Trends charts
- Customizable currency lists
- Search by code or name
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Convert one amount across multiple currencies at once, then keep going with your last synced rates when you are offline. Flexchange brings a multi-currency converter, foreign exchange calculator, rate alerts, and historical trend charts into one organized app. COMPARE CURRENCIES SIDE BY SIDE Choose a base currency and see its value across several target currencies in one view. Reorder your lists so the pairs you use most are always close at hand. CALCULATE ACROSS CURRENCIES Use the currency calculator to build a calculation with amounts in different currencies, add or subtract each entry, and convert the total into the currency you choose—without switching apps. SET A TARGET RATE Create a custom alert for any supported currency pair, choose an above or below threshold, and get notified when the rate reaches your target. Rate alerts are a Premium feature. EXPLORE RATE TRENDS Use Flexchange as an exchange-rate tracker with interactive charts, selectable time periods, full-screen landscape viewing, and minimum/maximum insights. Currency Trends is a Premium feature. USE FLEXCHANGE OFFLINE Rates refresh automatically while you are online. When your connection is unavailable, your last synced rates remain ready for conversion—useful while traveling or anywhere coverage is unreliable. FLEXIBLE FOR THE WAY YOU CONVERT • Convert world currencies including US dollar (USD), euro (EUR), British pound (GBP), and more • Search currencies by name or code • Compare multiple target currencies together • Organize and reorder your currency lists • Create and manage multiple calculators • Keep several base currency groups with Premium • Unlock unlimited target currencies and calculator usage with Premium • Get more frequent rate refreshes with Premium Whether you are planning a trip, checking an international purchase, managing money across countries, or watching a currency pair, Flexchange keeps the rates and tools you need in one place. Privacy Policy: https://flexchange.app/legal/privacy-policy Terms of Use: https://flexchange.app/legal/terms-and-conditions
SubTrack
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SubTrack is the subscription tracker that helps you track subscriptions, renewals, and trial periods in one simple app. Never miss a renewal or forget to cancel a free trial. MAIN FEATURES COMPREHENSIVE SUBSCRIPTION TRACKING Track streaming services like Netflix, Disney Plus, Apple TV Plus, HBO Max, Paramount Plus, Hulu, music services like Spotify, Apple Music, YouTube Music, Tidal, cloud storage like iCloud, Dropbox, Google Drive, education platforms like Coursera, Skillshare, Duolingo, MasterClass, fitness apps like Peloton, Strava, Headspace, Calm, gaming services like Apple Arcade, PlayStation Plus, with ready-made presets. PREMIUM CARD FEE TRACKING Never forget your annual credit card fees. Track premium cards including American Express Platinum, American Express Gold, Chase Sapphire Reserve, Capital One Venture X, World of Hyatt, Marriott Bonvoy Brilliant, Delta Reserve, United Club Infinite, Hilton Honors Aspire. Get smart reminders 30 days before your annual fee is due. SMART ANALYTICS AND FORECASTS Visualize your spending with charts. See monthly and yearly totals, spending breakdown by category, monthly forecast showing how much you will spend this month, 12-month forecast showing all upcoming charges, and average spending by category. INTELLIGENT NOTIFICATIONS Get smart reminders before you are charged. Receive notifications one day before subscription renewal asking if you still use the service, 30 days before premium card annual fees, customizable notification times, and never miss an important charge. SIMPLE AND EASY TO USE Add subscriptions in seconds using ready-made presets. Select a service and you are done. Or create custom subscriptions manually. Beautiful interface with dark mode and light mode support, sort by name date or price, archive inactive subscriptions, and search and filter by categories. SECURITY AND PRIVACY Your data stays on your iPhone. No accounts or registration required, complete control over your data, and Face ID or Touch ID support coming soon. FLEXIBLE PRICING Free version lets you track up to 3 subscriptions. Premium version unlocks unlimited subscriptions with one-time purchase. WHO IS THIS FOR Perfect for anyone who has multiple subscriptions, premium credit card holders who want to track annual fees, people who want to optimize spending and find forgotten subscriptions, families who want to see total spending on services, and anyone tired of unexpected charges. REAL SAVINGS Research shows the average person spends over 200 dollars per month on subscriptions but forgets about many of them. With SubTrack you can see all your expenses in one place, find forgotten subscriptions you no longer use, make informed decisions about renewals, and save hundreds of dollars per year. WHAT MAKES US DIFFERENT FOCUSED ON SUBSCRIPTIONS AND PREMIUM CARDS We specialize in subscriptions and premium card fees. This makes our app faster and more convenient for tracking subscriptions specifically. MAXIMUM SIMPLICITY Add a subscription in 3 seconds. No complicated forms just the fields you need. Quick preset selection for popular services or manual entry for full control. FORECASTS AND ANALYTICS Not just a list of subscriptions but real understanding of when and how much you will spend. See monthly and yearly forecasts to plan your budget accordingly. SMART NOTIFICATIONS Not just simple reminders but intelligent notifications that help you make decisions. Get notified before you are charged and decide if you still need the service. NATIVE iOS DESIGN Modern SwiftUI interface with smooth animations. GET STARTED TODAY Download SubTrack free and add all your subscriptions in just 2 minutes. SubTrack is your personal assistant for managing subscriptions and finances. Download free today and take control of your recurring expenses.
Screenshots
Verdict
The clearest difference is iOS requirement: SubTrack at 17.6 against Currency Converter Flexchange's 26.0. On price, update cadence, ads and in-app purchases 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. Currency Converter Flexchange sells 3 in-app purchases, starting at $0.99 per 7 days and SubTrack sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.
| Parameter | Currency Converter Flexchange | SubTrack |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 26 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Maysoom | Alexander Zakharin |
In-app purchases
Currency Converter Flexchange
- Pro Weekly$0.997 Days
- Pro Monthly$2.991 Month
- Pro Yearly$29.991 Year
SubTrack
- Pro Weekly3 Days trial$0.997 Days
- Pro Annual$9.991 Year
- Pro Lifetime$19.99
Questions
Is Currency Converter Flexchange free?
Is SubTrack free?
Do Currency Converter Flexchange or SubTrack have ads?
Which is updated more often, Currency Converter Flexchange or SubTrack?
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