# Engineering Station vs Picture Mushroom

The clearest difference is update cadence: Picture Mushroom at fortnightly against Engineering Station's every 27 months. Engineering Station's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, 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.

Engineering Station ships an update every 27 months, Picture Mushroom fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Engineering Station | Picture Mushroom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Fortnightly** |
| Size | 93 MB | 3 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Ahmed Ahmed](https://appshunter.io/developer/1603830208) | [Benefit Virtue Technologies Limited](https://appshunter.io/developer/1707508178) |

## What reviewers say

### Engineering Station

[App page](https://appshunter.io/ios/app/engineering-station/id1603830206)

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

**In-app purchases:** none


### Picture Mushroom

[App page](https://appshunter.io/ios/app/picture-mushroom-identifier/id6745544561)

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineering Station free?

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

### Is Picture Mushroom free?

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

### Do Engineering Station or Picture Mushroom have ads?

Neither Engineering Station nor Picture Mushroom shows ads.

### Which is updated more often, Engineering Station or Picture Mushroom?

Engineering Station ships an update every 27 months, and Picture Mushroom fortnightly. Most recently, Engineering Station was updated on November 3, 2026 and Picture Mushroom on November 5, 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.*