# Leveler vs Ruler Studio

The clearest difference is ads: Ruler Studio at none against Leveler's shown. Ruler Studio also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Leveler sells 4 in-app purchases, starting at $0.49 per 7 days and Ruler Studio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Leveler ships an update monthly, Ruler Studio every 6 weeks. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Leveler | Ruler Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 10 MB | 19 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TROTHMATRIX](https://appshunter.io/developer/1451285427) | [Spyridon Bousios](https://appshunter.io/developer/1168309944) |

## What reviewers say

### Leveler

[App page](https://appshunter.io/ios/app/leveler-level-at-any-angle/id6451039222)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get weekly angles measurement | $0.49 | per 7 days |
| Monthly Subscription | $1.79 | per month |
| Yearly Subscription | $9.99 | per year |
| Lifetime Purchase | $12.99 | one-time |


### Ruler Studio

[App page](https://appshunter.io/ios/app/ruler-studio/id6777489772)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Leveler free?

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

### Is Ruler Studio free?

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

### Do Leveler or Ruler Studio have ads?

Leveler shows ads; Ruler Studio does not.

### Which is updated more often, Leveler or Ruler Studio?

Leveler ships an update monthly, and Ruler Studio every 6 weeks. Most recently, Leveler was updated on October 4, 2026 and Ruler Studio on October 10, 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.*