# iCorrTool vs Digital Level

The clearest difference is update cadence: Digital Level at every 6 days against iCorrTool's every 3 months. iCorrTool's advantage is iOS requirement (13 vs 15.1). On price, ads, 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.

iCorrTool ships an update every 3 months, Digital Level every 6 days. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | iCorrTool | Digital Level |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 48 MB | 40 MB |
| Requires iOS | **13** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steffel KKS GmbH](https://appshunter.io/developer/786166712) | [Marius Trica](https://appshunter.io/developer/6794615059) |

## What reviewers say

### iCorrTool

[App page](https://appshunter.io/ios/app/icorrtool/id786166709)

**Features:** macOS Compatibility

**In-app purchases:** none


### Digital Level

[App page](https://appshunter.io/ios/app/digital-level-bubble-and-angle/id6811372115)

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

**In-app purchases:** none


## Frequently asked questions

### Is iCorrTool free?

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

### Is Digital Level free?

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

### Do iCorrTool or Digital Level have ads?

Neither iCorrTool nor Digital Level shows ads.

### Which is updated more often, iCorrTool or Digital Level?

iCorrTool ships an update every 3 months, and Digital Level every 6 days. Most recently, iCorrTool was updated on October 11, 2026 and Digital Level on October 4, 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.*