# LeanGo Trace DEV vs Mask App

The clearest difference is in-app purchases: LeanGo Trace DEV at none against Mask App's 1. LeanGo Trace DEV also leads on iOS requirement (11.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Mask App sells 1 one-off in-app purchase. LeanGo Trace DEV asks for nothing beyond the download.

## The numbers

| Metric | LeanGo Trace DEV | Mask App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 121 MB | 27 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [GRWAN GROUP FZE](https://appshunter.io/developer/1619845290) | [ITECHNOTION PRIVATE LIMITED](https://appshunter.io/developer/1078013108) |

## What reviewers say

### LeanGo Trace DEV

[App page](https://appshunter.io/ios/app/leango-trace-dev/id6471980417)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mask App

[App page](https://appshunter.io/ios/app/mask-app/id6557074299)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro for Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is LeanGo Trace DEV free?

LeanGo Trace DEV is free to download, with no in-app purchases.

### Is Mask App free?

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

### Do LeanGo Trace DEV or Mask App have ads?

Neither LeanGo Trace DEV nor Mask App 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.*