# cm Ruler, device size measure vs Panda Timer

The clearest difference is price: cm Ruler, device size measure at Free against Panda Timer's $2.99. cm Ruler, device size measure also leads on update cadence (every 5 days vs every 3 months). Panda Timer's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.0). On in-app purchases and device support there is nothing between them.

cm Ruler, device size measure is free to download; Panda Timer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

cm Ruler, device size measure ships an update every 5 days, Panda Timer every 3 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | cm Ruler, device size measure | Panda Timer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/cm-ruler-device-size-measure/id6737493358/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 23 MB | 27 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taisuke Hosokawa](https://appshunter.io/developer/1585548762) | [Saubeo Solutions](https://appshunter.io/developer/1563065669) |

## What reviewers say

### 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


### Panda Timer

[App page](https://appshunter.io/ios/app/panda-timer/id6755053298)

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is Panda Timer free?

Panda Timer costs $2.99, with no in-app purchases.

### Do cm Ruler, device size measure or Panda Timer have ads?

cm Ruler, device size measure shows ads; Panda Timer does not.

### Which is updated more often, cm Ruler, device size measure or Panda Timer?

cm Ruler, device size measure ships an update every 5 days, and Panda Timer every 3 months. Most recently, cm Ruler, device size measure was updated on October 14, 2026 and Panda Timer on October 8, 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.*