# C.S.A. vs PrepJet

The clearest difference is in-app purchases: C.S.A. at none against PrepJet's 2. C.S.A. also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. PrepJet sells 2 in-app purchases, starting at $14.99 per month. C.S.A. asks for nothing beyond the download.

C.S.A. ships an update every 2 months, PrepJet every 5 weeks. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | C.S.A. | PrepJet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 57 MB | 35 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DataRays](https://appshunter.io/developer/1175740339) | [WIDGET WORKS LLP](https://appshunter.io/developer/1875130643) |

## What reviewers say

### C.S.A.

[App page](https://appshunter.io/ios/app/csa/id6717588190)

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

**In-app purchases:** none


### PrepJet

[App page](https://appshunter.io/ios/app/prepjet/id6809633771)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepJet Pro Monthly | $14.99 | per month |
| PrepJet Pro Annual | $99.99 | per year |


## Frequently asked questions

### Is C.S.A. free?

C.S.A. is free to download, with no in-app purchases.

### Is PrepJet free?

PrepJet is free to download, with in-app purchases available.

### Do C.S.A. or PrepJet have ads?

Neither C.S.A. nor PrepJet shows ads.

### Which is updated more often, C.S.A. or PrepJet?

C.S.A. ships an update every 2 months, and PrepJet every 5 weeks. Most recently, C.S.A. was updated on October 27, 2026 and PrepJet on October 31, 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.*