# GSM vs Qtime Flex

The clearest difference is iOS requirement: GSM at 6.0 against Qtime Flex's 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.

## The numbers

| Metric | GSM | Qtime Flex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Size | 3 MB | 24 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [艳丽 刘](https://appshunter.io/developer/595252190) | [Qtime AS](https://appshunter.io/developer/1363261748) |

## What reviewers say

### GSM

[App page](https://appshunter.io/ios/app/gsm-dkey/id912114051)

**Features:** macOS Compatibility

**In-app purchases:** none


### Qtime Flex

[App page](https://appshunter.io/ios/app/qtime-flex/id1500245437)

**In-app purchases:** none


## Frequently asked questions

### Is GSM free?

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

### Is Qtime Flex free?

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

### Do GSM or Qtime Flex have ads?

Neither GSM nor Qtime Flex 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.*