# Psych Boost vs Revaster

The clearest difference is in-app purchases: Revaster at none against Psych Boost's 2. Psych Boost's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Psych Boost sells 2 in-app purchases, starting at $3.99 per year. Revaster asks for nothing beyond the download.

Psych Boost ships an update every 2 weeks, Revaster weekly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Psych Boost | Revaster |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 130 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [Psych Boost LTD](https://appshunter.io/developer/1762053089) | [Farezy](https://appshunter.io/developer/1841450432) |

## What reviewers say

### Psych Boost

[App page](https://appshunter.io/ios/app/psych-boost/id6447265829)

This app aids A-Level and GCSE psychology students in revising core content for the AQA specification. Developed by a psychology teacher and YouTube channel creator, it offers structured learning and revision support.

**Highlights:** A-Level Psychology revision, GCSE Psychology revision, AQA specification content, Content by psychology teacher, Supports learning and revision

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Psych Boost Pro | $3.99 | per year |
| Psych Boost Pro | $3.99 | one-time |

**What reviewers like**

- 👍 Great for AQA A-level Psychology
- 💡 New update highlights tricky questions
- 💰 Good value subscription
- 🚀 Saves time on revision materials
- 💯 Highly recommended for revision

**What reviewers complain about**

- 🐛 Inconsistent cross-device compatibility
- 🐛 Content not detailed enough
- 🐛 Poorly worded questions
- 🐛 Typos and punctuation errors
- 🐛 Lacks depth in evaluations

**Reported bugs**

- App does not work on iPad
- Cannot get answers to questions on iPad quizzes
- Cannot scroll on iPad/Chromebook
- Bug with selecting quiz topics for GCSE
- App logs off after completing an activity/quiz

**Requested features**

- Option for other exam boards
- More bold updates
- Normal accounts for cross-device access
- Scroll button for flashcards/quizzes on all devices
- More questions to reduce repetition


### Revaster

[App page](https://appshunter.io/ios/app/revaster/id6808962491)

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

**In-app purchases:** none


## Frequently asked questions

### Is Psych Boost free?

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

### Is Revaster free?

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

### Do Psych Boost or Revaster have ads?

Neither Psych Boost nor Revaster shows ads.

### Which is updated more often, Psych Boost or Revaster?

Psych Boost ships an update every 2 weeks, and Revaster weekly. Most recently, Psych Boost was updated on October 24, 2026 and Revaster on October 26, 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.*