# Measuring Tape Ruler vs Chemrix

The clearest difference is in-app purchases: Chemrix at none against Measuring Tape Ruler's 3. Measuring Tape Ruler's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Measuring Tape Ruler sells 3 in-app purchases, starting at $4.99 per 7 days. Chemrix asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Measuring Tape Ruler | Chemrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/measuring-tape-ruler/id6751286858/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 8 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [27th Marketplace, LLC](https://appshunter.io/developer/1853527130) | [亚涛 冯](https://appshunter.io/developer/1868561246) |

## What reviewers say

### Measuring Tape Ruler

[App page](https://appshunter.io/ios/app/measuring-tape-ruler/id6751286858)

This app uses your phone's camera to measure distances, areas, and heights. It also includes a built-in ruler, level tool, and floor plan creator for various projects.

**Highlights:** AR distance and area measurement, Height measurement tool, Floor plan creation, On-screen ruler, Digital spirit level, Screenshot capture and sharing

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler Pro Plan | $4.99 | per 7 days |
| Measuring Tape Pro Plan | $4.99 | per 7 days |
| Measuring Tape Lifetime Plan | $119.99 | one-time |


### Chemrix

[App page](https://appshunter.io/ios/app/chemrix/id6773266733)

**In-app purchases:** none


## Frequently asked questions

### Is Measuring Tape Ruler free?

Measuring Tape Ruler is free to download, with in-app purchases available.

### Is Chemrix free?

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

### Do Measuring Tape Ruler or Chemrix have ads?

Chemrix shows ads; Measuring Tape Ruler does not.

### Which is updated more often, Measuring Tape Ruler or Chemrix?

Measuring Tape Ruler ships an update weekly, and Chemrix weekly. Most recently, Measuring Tape Ruler was updated on October 24, 2026 and Chemrix on October 24, 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.*