# Study Ally vs Preuba

The clearest difference is in-app purchases: Study Ally at none against Preuba's 2. Study Ally also leads on ads (none vs shown). Preuba's advantage is update cadence (daily vs monthly) and iOS requirement (15.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Preuba sells 2 in-app purchases, starting at $1.99 per month. Study Ally asks for nothing beyond the download.

Study Ally ships an update monthly, Preuba daily. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Study Ally | Preuba |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | — |
| Size | 4 MB | 19 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sofiya Taver](https://appshunter.io/developer/1741846327) | [Blank Tech](https://appshunter.io/developer/1889611867) |

## What reviewers say

### Study Ally

[App page](https://appshunter.io/ios/app/study-ally/id6661033299)

This AI-powered application generates customized quizzes for exam preparation across all educational levels. Users select subjects and topics to receive tailored multiple-choice questions, making studying engaging and effective.

**Highlights:** AI-powered quiz generation, Customizable by subject and topic, Multiple-choice question format, Suitable for all educational levels, Gamified study experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Preuba

[App page](https://appshunter.io/ios/app/preuba/id6761435516)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Preuba Pro Mensual | $1.99 | per month |
| Preuba Pro Anual | $17.99 | per year |


## Frequently asked questions

### Is Study Ally free?

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

### Is Preuba free?

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

### Do Study Ally or Preuba have ads?

Preuba shows ads; Study Ally does not.

### Which is updated more often, Study Ally or Preuba?

Study Ally ships an update monthly, and Preuba daily. Most recently, Study Ally was updated on September 20, 2026 and Preuba on September 14, 2026.

---

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