# PrepFast vs Cheg AI Study, Homework Helper

The clearest difference is in-app purchases: Cheg AI Study, Homework Helper at none against PrepFast's 6. PrepFast's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PrepFast sells 6 in-app purchases, starting at $3.99 per 7 days. Cheg AI Study, Homework Helper asks for nothing beyond the download.

PrepFast ships an update every 6 weeks, Cheg AI Study, Homework Helper monthly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PrepFast | Cheg AI Study, Homework Helper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 66 MB | 11 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sagar Angadi](https://appshunter.io/developer/1892388534) | [Ubaid Ur Rehman](https://appshunter.io/developer/1896736673) |

## What reviewers say

### PrepFast

[App page](https://appshunter.io/ios/app/prepfast-notes-to-questions/id6762001807)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Early | $3.99 | per 7 days |
| Premium Weekly | $4.99 | per 7 days |
| Premium Monthly Early | $9.99 | per month |
| Premium Monthly | $12.99 | per month |
| Premium Annual Early | $49.99 | per year |
| Premium Annual | $59.99 | per year |


### Cheg AI Study, Homework Helper

[App page](https://appshunter.io/ios/app/cheg-ai-study-homework-helper/id6788892342)

**In-app purchases:** none


## Frequently asked questions

### Is PrepFast free?

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

### Is Cheg AI Study, Homework Helper free?

Cheg AI Study, Homework Helper is free to download, with no in-app purchases.

### Do PrepFast or Cheg AI Study, Homework Helper have ads?

Neither PrepFast nor Cheg AI Study, Homework Helper shows ads.

### Which is updated more often, PrepFast or Cheg AI Study, Homework Helper?

PrepFast ships an update every 6 weeks, and Cheg AI Study, Homework Helper monthly. Most recently, PrepFast was updated on October 24, 2026 and Cheg AI Study, Homework Helper on October 28, 2026.

---

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