# Brainblast vs PrepGo

The clearest difference is review sentiment: Brainblast at 61% against PrepGo's 23%. Brainblast also leads on rating (4.7 vs 4.3) and update cadence (every 3 days vs every 9 days). PrepGo's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.2). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Brainblast sells 16 in-app purchases, starting at $9.99 per 7 days and PrepGo sells 10 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Brainblast holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 579 and 306 respectively. Written reviews point the same way: 61% of Brainblast's written reviews are positive against 23% of PrepGo's.

Brainblast ships an update every 3 days, PrepGo every 9 days. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Brainblast | PrepGo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (579 ratings)](https://appshunter.io/ios/app/brainblast-sat-prep/id6744460293/reviews)** | [4.3 (306 ratings)](https://appshunter.io/ios/app/prepgo-ap-exam-prep/id6753966286/reviews) |
| Number of ratings | **579** | 306 |
| Positive reviews | **60.7% of reviews** | 22.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Best chart rank | **#139** | — |
| Size | 323 MB | 84 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Brainblast](https://appshunter.io/developer/1807809361) | [StudyX Inc.](https://appshunter.io/developer/1571844481) |

## What reviewers say

### Brainblast

[App page](https://appshunter.io/ios/app/brainblast-sat-prep/id6744460293)

**Currently charting:** #139 Top Free · Education (US App Store)

This app transforms SAT math practice into an engaging, competitive game. Battle opponents in real-time using SAT-style questions, improving speed and accuracy to boost your score. Track progress, analyze weak areas, and climb leaderboards to achieve your target score.

**Highlights:** Real-time multiplayer battles, SAT-style math questions, Speed and accuracy scoring, Progress tracking, Topic analysis, Live leaderboards

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brainblast Pro - Weekly | $9.99 | per 7 days |
| Brainblast Pro - Monthly | $29.00 | per month |
| Brainblast Pro - Yearly | $107.99 | per year |
| Brainblast Max – 1 Month | $149.00 | per month |
| Brainblast Max – 3 Months | $199.00 | per 3 months |
| Brainblast Max – 6 Months | $249.00 | per 6 months |
| Brainblast Max – 12 Months | $299.00 | per year |
| 1200 Gems | $1.99 | one-time |
| 3000 Gems | $9.99 | one-time |
| 6500 Gems | $19.99 | one-time |
| Renew Brainblast Pro - 60 Days | $40.00 | one-time |
| Brainblast Pro - 30 Days | $49.00 | one-time |
| Renew Brainblast Pro - 180 Days | $60.00 | one-time |
| Renew Brainblast Pro - 360 Days | $80.00 | one-time |
| Brainblast Pro - 90 Days | $99.00 | one-time |
| Brainblast Pro - 180 Days | $149.00 | one-time |


### PrepGo

[App page](https://appshunter.io/ios/app/prepgo-ap-exam-prep/id6753966286)

Master AP exams with a gamified learning experience. Study guides, flashcards, and quizzes are presented in a fun, visual format to help you track progress and identify weak spots. Conquer your exams with expert-verified content and engaging practice questions.

**Highlights:** Expert-verified study guides, Gamified visual learning map, Daily streaks and energy system, Smart flashcards, AP-style quizzes, Progress tracking dashboard, Covers 30+ AP subjects

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepGo Plus Monthly | $19.99 | per month |
| PrepGo Plus Monthly | $29.99 | per month |
| PrepGo Plus Monthly | $29.99 | per month |
| PrepGo Plus Monthly | $49.99 | per month |
| PrepGo Plus Monthly | $49.99 | per month |
| PrepGo Plus Monthly | $49.99 | per month |
| PrepGo Plus 6-Month | $89.99 | per 6 months |
| PrepGo Plus Annual | $239.99 | per year |
| PrepGo Plus Annual | $239.99 | per year |
| PrepGo Plus Annual | $239.99 | per year |


## Frequently asked questions

### Is Brainblast free?

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

### Is PrepGo free?

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

### Which has better reviews, Brainblast or PrepGo?

Brainblast is rated higher. Brainblast averages 4.7 out of 5 from 579 ratings, while PrepGo averages 4.3 from 306 ratings.

### Do Brainblast or PrepGo have ads?

Brainblast shows ads; PrepGo does not.

### Which is updated more often, Brainblast or PrepGo?

Brainblast ships an update every 3 days, and PrepGo every 9 days. Most recently, Brainblast was updated on October 20, 2026 and PrepGo on October 16, 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.*