# Custom Bubble Level vs Scale Ruler

The clearest difference is ads: Scale Ruler at none against Custom Bubble Level's shown. Custom Bubble Level's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Custom Bubble Level sells 2 in-app purchases, starting at $3.99 per 7 days and Scale Ruler sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Custom Bubble Level | Scale Ruler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 weeks |
| Size | 47 MB | 5 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IVAN SOBTCHOUK](https://appshunter.io/developer/1679850800) | [佳 赵](https://appshunter.io/developer/6802149278) |

## What reviewers say

### Custom Bubble Level

[App page](https://appshunter.io/ios/app/custom-bubble-level/id6754390026)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access No Ads | $3.99 | per 7 days |
| Lifetime Pro Access No Ads | $24.99 | one-time |


### Scale Ruler

[App page](https://appshunter.io/ios/app/scale-ruler-pocket-ruler/id6802178983)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scale Ruler Pro | $1.99 | one-time |


## Frequently asked questions

### Is Custom Bubble Level free?

Custom Bubble Level is free to download, with in-app purchases available.

### Is Scale Ruler free?

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

### Do Custom Bubble Level or Scale Ruler have ads?

Custom Bubble Level shows ads; Scale Ruler does not.

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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.*