Comparison

ExRate Calculator vs CalcFlex

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

ExRate Calculator

Features
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Explore our Exchange Rate Calculator app โ€“ a seamless currency conversion tool designed for modern travelers. Support for All Currencies and Cryptocurrencies: Effortlessly convert various fiat currencies and digital currencies. Our app supports a wide range of global currencies, ensuring you can conveniently perform calculations anytime, anywhere. Daily Exchange Rate Updates: Stay up-to-date with the latest rates! Our app updates daily, providing real-time currency values and ensuring accurate calculations for your convenience. Offline Calculations: Calculate without internet! Our app is intelligently designed to allow currency conversions even when you're offline, ensuring you can perform calculations on the go. Enhanced Calculator: More than just exchange rates โ€“ enjoy a powerful calculator designed to meet your needs. Whether budgeting during your travels or tackling complex currency calculations, our enhanced calculator has you covered. Download the Exchange Rate Calculator app now, and bring this powerful calculation tool with you for an easier journey!

About

CalcFlex

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Discover CalcFlex: Flexible, Free and Ad-Free Calculator App! Unlock the full potential of your calculations with CalcFlex, the flexible calculator app designed to cater to all your needs. Whether you're dealing with complex equations, unit conversions, financial calculations, or scientific formulas, CalcFlex has got you covered. Key Features: Multiple Calculators in Parallel: Seamlessly switch between different calculators for efficiency. Built-in Tools: Access unit converters, finance calculators, math and physics equations all in one app. Custom Equations: Create, save, and reuse your own equations with specific variables tailored to your needs. User-Friendly Design: Start with the familiar calculator layout, free to customize based on preference. Completely Free: No ads, no hidden fees, just pure calculating power. Download CalcFlex now and experience the freedom of a truly flexible and comprehensive calculator app!

Screenshots

ExRate Calculator3 screens
CalcFlex4 screens

Verdict

The call

The clearest difference is in-app purchases: ExRate Calculator at none against CalcFlex's 6. ExRate Calculator also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). CalcFlex's advantage is ads (none vs shown) and update cadence (every 9 days vs every 6 weeks). On price there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. CalcFlex sells 3 one-off in-app purchases. ExRate Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

ExRate Calculator ships an update every 6 weeks, CalcFlex every 9 days. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

Scorecard5 real differences ยท 1 level
ExRate Calculator versus CalcFlex: the parameters behind the verdict, then further details
ParameterExRate CalculatorCalcFlex
PriceFreeFree
Update frequencyEvery 6 weeksEvery 9 days โ€” better
AdsYesNo โ€” better
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS12.0 โ€” better17.0
Further details โ€” not scored
Size34 MB2 MB
Age rating17+4+
DeveloperKam To ChengDaniel Chiu Loong Ng

In-app purchases

None

ExRate Calculator

No in-app purchases

3 purchases

CalcFlex

One-time3
  • +3 New Variables2 variants$1.99
  • +20 New Equation Slots2 variants$1.99
  • +1 New Calculator2 variants$3.99

Questions

Is ExRate Calculator free?
ExRate Calculator is free to download, with no in-app purchases.
Is CalcFlex free?
CalcFlex is free to download, with in-app purchases available.
Do ExRate Calculator or CalcFlex have ads?
ExRate Calculator shows ads; CalcFlex does not.
Which is updated more often, ExRate Calculator or CalcFlex?
ExRate Calculator ships an update every 6 weeks, and CalcFlex every 9 days. Most recently, ExRate Calculator was updated on November 4, 2026 and CalcFlex on October 25, 2026.

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