# PrepQ vs ISOBA

The clearest difference is update cadence: ISOBA at every 4 days against PrepQ's every 2 months. PrepQ's advantage is iOS requirement (12.0 vs 16.0). 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.

PrepQ ships an update every 2 months, ISOBA every 4 days. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PrepQ | ISOBA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 233 MB | 39 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Abdul Rafeeque Parakkal](https://appshunter.io/developer/1464562964) | [Welkinwits Technologies LLP](https://appshunter.io/developer/1577789313) |

## What reviewers say

### PrepQ

[App page](https://appshunter.io/ios/app/prepq/id1578502241)

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

**In-app purchases:** none


### ISOBA

[App page](https://appshunter.io/ios/app/isoba/id6476114847)

**In-app purchases:** none


## Frequently asked questions

### Is PrepQ free?

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

### Is ISOBA free?

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

### Do PrepQ or ISOBA have ads?

Neither PrepQ nor ISOBA shows ads.

### Which is updated more often, PrepQ or ISOBA?

PrepQ ships an update every 2 months, and ISOBA every 4 days. Most recently, PrepQ was updated on September 20, 2026 and ISOBA on September 9, 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.*