# GDM vs Mserve

The clearest difference is iOS requirement: GDM at 10.0 against Mserve's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | GDM | Mserve |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 54 MB | 73 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OTB lifescience consulting](https://appshunter.io/developer/1358484665) | [Mserve](https://appshunter.io/developer/1843043356) |

## What reviewers say

### GDM

[App page](https://appshunter.io/ios/app/gdm/id1458921628)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mserve

[App page](https://appshunter.io/ios/app/mserve/id6753203742)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is GDM free?

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

### Is Mserve free?

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

### Do GDM or Mserve have ads?

Neither GDM nor Mserve shows ads.

### Which is updated more often, GDM or Mserve?

GDM ships an update every 2 weeks, and Mserve every 2 weeks. Most recently, GDM was updated on October 7, 2026 and Mserve 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.*