ExRate Calculator vs Duodecuple Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ExRate Calculator
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Explore our Exchange Rate Calculator app – 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 – 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!
Duodecuple Calc
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Display 12 calculators and perform calculations with each one.
Screenshots
Verdict
The clearest difference is update cadence: Duodecuple Calc at every 2 weeks against ExRate Calculator's every 6 weeks. ExRate Calculator's advantage is iOS requirement (12.0 vs 15.8.3). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
ExRate Calculator ships an update every 6 weeks, Duodecuple Calc every 2 weeks. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.
| Parameter | ExRate Calculator | Duodecuple Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 34 MB | 36 MB |
| Age rating | 17+ | 4+ |
| Developer | Kam To Cheng | Hideaki Uchikoshi |
In-app purchases
ExRate Calculator
No in-app purchases
Duodecuple Calc
No in-app purchases
Questions
Is ExRate Calculator free?
Is Duodecuple Calc free?
Do ExRate Calculator or Duodecuple Calc have ads?
Which is updated more often, ExRate Calculator or Duodecuple Calc?
Other comparisons
