# Currency Conversion™ vs cm Ruler, device size measure

The clearest difference is rating: Currency Conversion™ at 4.7 against cm Ruler, device size measure's 1.0. Currency Conversion™ also leads on ads (none vs shown) and ratings volume (208 vs 1). cm Ruler, device size measure's advantage is update cadence (every 5 days vs every 10 days). On price, in-app purchases and device support there is nothing between them.

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

Currency Conversion™ holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Currency Conversion™ has 208 ratings behind it against 1, so its average is the more settled of the two.

Currency Conversion™ ships an update every 10 days, cm Ruler, device size measure every 5 days. The most recent releases landed on October 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Currency Conversion™ | cm Ruler, device size measure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (208 ratings)](https://appshunter.io/ios/app/currency-conversion/id1458443507/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/cm-ruler-device-size-measure/id6737493358/reviews) |
| Number of ratings | **208** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | **Free** | Ad-supported |
| Size | 25 MB | 23 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [Taisuke Hosokawa](https://appshunter.io/developer/1585548762) |

## What reviewers say

### Currency Conversion™

[App page](https://appshunter.io/ios/app/currency-conversion/id1458443507)

Easily convert currencies with up-to-date exchange rates for 148 global currencies. This application is essential for travelers planning trips abroad, offering automatic updates and a user-friendly interface.

**Highlights:** Supports 148 currencies, Automatic exchange rate updates, Simple and easy to use, Optimized for iPhone X

**Features:** macOS Compatibility

**In-app purchases:** none


### cm Ruler, device size measure

[App page](https://appshunter.io/ios/app/cm-ruler-device-size-measure/id6737493358)

Transform your device into a versatile ruler for precise measurements. It displays width, height, and tapped positions, allowing you to record and share dimensions. Customize the ruler's appearance with different colors.

**Highlights:** Ruler UI for width and height, Measure tapped position size, Record and share measurements, Customizable ruler color

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Currency Conversion™ free?

Currency Conversion™ is free to download, with no in-app purchases.

### Is cm Ruler, device size measure free?

cm Ruler, device size measure is free to download, with no in-app purchases.

### Which has better reviews, Currency Conversion™ or cm Ruler, device size measure?

Currency Conversion™ is rated higher. Currency Conversion™ averages 4.7 out of 5 from 208 ratings, while cm Ruler, device size measure averages 1.0 from 1 ratings.

### Do Currency Conversion™ or cm Ruler, device size measure have ads?

cm Ruler, device size measure shows ads; Currency Conversion™ does not.

### Which is updated more often, Currency Conversion™ or cm Ruler, device size measure?

Currency Conversion™ ships an update every 10 days, and cm Ruler, device size measure every 5 days. Most recently, Currency Conversion™ was updated on October 29, 2026 and cm Ruler, device size measure on October 14, 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.*