# Develop vs Sisters of Mersey

The clearest difference is update cadence: Develop at weekly against Sisters of Mersey's every 76 months. 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.

Develop ships an update weekly, Sisters of Mersey every 76 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Develop | Sisters of Mersey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 76 months |
| Size | 6 MB | 34 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPad | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LiftUpp Limited](https://appshunter.io/developer/1112175189) | [University of Liverpool](https://appshunter.io/developer/497327246) |

## What reviewers say

### Develop

[App page](https://appshunter.io/ios/app/develop/id770650889)

**In-app purchases:** none


### Sisters of Mersey

[App page](https://appshunter.io/ios/app/sisters-of-mersey/id1465223825)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Develop free?

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

### Is Sisters of Mersey free?

Sisters of Mersey is free to download, with no in-app purchases.

### Do Develop or Sisters of Mersey have ads?

Neither Develop nor Sisters of Mersey shows ads.

### Which is updated more often, Develop or Sisters of Mersey?

Develop ships an update weekly, and Sisters of Mersey every 76 months. Most recently, Develop was updated on November 6, 2026 and Sisters of Mersey on November 3, 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.*