# SRD Go vs Mission Air

The clearest difference is update cadence: SRD Go at every 2 months against Mission Air's every 19 months. SRD Go also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

SRD Go ships an update every 2 months, Mission Air every 19 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | SRD Go | Mission Air |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Size | 47 MB | 209 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Salumanus sp. z o.o.](https://appshunter.io/developer/1609774027) | [Mission Air](https://appshunter.io/developer/1674327023) |

## What reviewers say

### SRD Go

[App page](https://appshunter.io/ios/app/srd-go/id1609773635)

**Features:** Vision Pro support

**In-app purchases:** none


### Mission Air

[App page](https://appshunter.io/ios/app/mission-air/id6445861905)

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

**In-app purchases:** none


## Frequently asked questions

### Is SRD Go free?

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

### Is Mission Air free?

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

### Do SRD Go or Mission Air have ads?

Neither SRD Go nor Mission Air shows ads.

### Which is updated more often, SRD Go or Mission Air?

SRD Go ships an update every 2 months, and Mission Air every 19 months. Most recently, SRD Go was updated on November 7, 2026 and Mission Air on November 7, 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.*