# TinyWatchCalc vs ExRate Calculator

The clearest difference is ads: TinyWatchCalc at none against ExRate Calculator's shown. ExRate Calculator's advantage is update cadence (every 6 weeks vs every 16 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TinyWatchCalc ships an update every 16 months, ExRate Calculator every 6 weeks. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | TinyWatchCalc | ExRate Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 6 weeks** |
| Size | 9 MB | 34 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Peter Entwistle](https://appshunter.io/developer/955246260) | [Kam To Cheng](https://appshunter.io/developer/1503889932) |

## What reviewers say

### TinyWatchCalc

[App page](https://appshunter.io/ios/app/tinywatchcalc/id1030102319)

**Features:** macOS Compatibility

**In-app purchases:** none


### ExRate Calculator

[App page](https://appshunter.io/ios/app/exrate-calculator/id6473137992)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TinyWatchCalc free?

TinyWatchCalc is free to download, with no in-app purchases.

### Is ExRate Calculator free?

ExRate Calculator is free to download, with no in-app purchases.

### Do TinyWatchCalc or ExRate Calculator have ads?

ExRate Calculator shows ads; TinyWatchCalc does not.

### Which is updated more often, TinyWatchCalc or ExRate Calculator?

TinyWatchCalc ships an update every 16 months, and ExRate Calculator every 6 weeks. Most recently, TinyWatchCalc was updated on September 28, 2026 and ExRate Calculator on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*