# DevPrep vs AIMS SN

The clearest difference is in-app purchases: AIMS SN at none against DevPrep's 1. AIMS SN also leads on iOS requirement (15.1 vs 17.0). DevPrep's advantage is update cadence (every 9 days vs every 3 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. DevPrep sells 1 in-app purchase, starting at $2.99 per 6 months. AIMS SN asks for nothing beyond the download.

DevPrep ships an update every 9 days, AIMS SN every 3 weeks. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DevPrep | AIMS SN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 28 MB | 42 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aliaksei Yelin](https://appshunter.io/developer/1502827500) | [Hakim Gueye](https://appshunter.io/developer/1894135997) |

## What reviewers say

### DevPrep

[App page](https://appshunter.io/ios/app/devprep-coding-interview/id1527624816)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get full access | $2.99 | per 6 months |


### AIMS SN

[App page](https://appshunter.io/ios/app/aims-sn/id6767045288)

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

**In-app purchases:** none


## Frequently asked questions

### Is DevPrep free?

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

### Is AIMS SN free?

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

### Do DevPrep or AIMS SN have ads?

Neither DevPrep nor AIMS SN shows ads.

### Which is updated more often, DevPrep or AIMS SN?

DevPrep ships an update every 9 days, and AIMS SN every 3 weeks. Most recently, DevPrep was updated on October 5, 2026 and AIMS SN on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*