# Tolerance Master vs DatumLab

The clearest difference is in-app purchases: DatumLab at none against Tolerance Master's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tolerance Master sells 1 in-app purchase, starting at $0.99 per month. DatumLab asks for nothing beyond the download.

## The numbers

| Metric | Tolerance Master | DatumLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 3 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [磊 高](https://appshunter.io/developer/1879509033) | [建东 刘](https://appshunter.io/developer/1896489302) |

## What reviewers say

### Tolerance Master

[App page](https://appshunter.io/ios/app/tolerance-master/id6759722609)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $0.99 | per month |


### DatumLab

[App page](https://appshunter.io/ios/app/datumlab/id6780406607)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tolerance Master free?

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

### Is DatumLab free?

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

### Do Tolerance Master or DatumLab have ads?

Neither Tolerance Master nor DatumLab shows ads.

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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.*