# Brainblast vs OnePrep

Brainblast and OnePrep both sit at 4.7 stars, but that hides the real split: 61% of Brainblast's written reviews are positive against 45% of OnePrep's. Brainblast also leads on monetization model (ad-supported vs free with in-app purchases) and chart position (#127 vs unranked). OnePrep's advantage is iOS requirement (15.1 vs 18.2). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Brainblast sells 16 in-app purchases, starting at $9.99 per 7 days and OnePrep sells 23 in-app purchases, starting at $28.49 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Brainblast against 4.7 for OnePrep. Both are backed by a comparable volume of ratings — 579 and 673 respectively. Written reviews are what separate them: 61% of Brainblast's written reviews are positive against 45% of OnePrep's.

Brainblast ships an update every 3 days, OnePrep every 5 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Brainblast | OnePrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (579 ratings)](https://appshunter.io/ios/app/brainblast-sat-prep/id6744460293/reviews) | **[4.7 (673 ratings)](https://appshunter.io/ios/app/oneprep-sat-and-act-prep/id6755932961/reviews)** |
| Number of ratings | 579 | **673** |
| Positive reviews | **60.7% of reviews** | 45.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Best chart rank | **#127** | — |
| Size | 323 MB | 88 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Brainblast](https://appshunter.io/developer/1807809361) | [MyDojo Inc.](https://appshunter.io/developer/1854476769) |

## What reviewers say

### Brainblast

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

**Currently charting:** #127 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 |


### OnePrep

[App page](https://appshunter.io/ios/app/oneprep-sat-and-act-prep/id6755932961)

Prepare for the SAT with a comprehensive study tool. Access thousands of practice questions, realistic mock exams, and AI-powered feedback. Get personalized guidance from an AI tutor to identify and improve weak areas for your dream score.

**Highlights:** Thousands of SAT-style practice questions, Realistic timed mock exams, Instant AI feedback and grading, Personalized study guidance, Progress tracking, Cross-device compatibility

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnePrep Pro (1 Week) | $28.49 | per 7 days |
| OnePrep Plus (1 month) | $89.99 | per month |
| OnePrep Pro (1 Month) | $99.99 | per month |
| OnePrep Pro – Monthly | $99.99 | per month |
| OnePrep Plus (3 months) | $239.00 | per 3 months |
| OnePrep Pro (3 Months) | $269.00 | per 3 months |
| OnePrep Pro – 3 Months | $269.00 | per 3 months |
| OnePrep Plus (6 months) | $354.99 | per 6 months |
| OnePrep Pro (6 Months) | $414.99 | per 6 months |
| OnePrep Pro – 6 Months | $414.99 | per 6 months |
| OnePrep Plus (1 year) | $469.00 | per year |
| OnePrep Pro (1 Year) | $589.00 | per year |
| OnePrep Pro – Yearly | $589.00 | per year |
| OnePrep Plus Exam Pass (8-14 Days) | $80.00 | one-time |
| OnePrep Pro Exam Pass (0-7 Days) | $89.00 | one-time |
| OnePrep Pro Exam Pass (8-14 Days) | $90.00 | one-time |
| OnePrep Pro Exam Pass (15-28 Days) | $95.00 | one-time |
| OnePrep Pro Exam Pass (29-30 Days) | $99.00 | one-time |
| OnePrep Pro Exam Pass (31-44 Days) | $134.99 | one-time |
| OnePrep Pro Exam Pass (45-58 Days) | $174.99 | one-time |
| OnePrep Pro Exam Pass (59-72 Days) | $209.99 | one-time |
| OnePrep Plus Exam Pass (8-10 Mos) | $429.00 | one-time |
| OnePrep Plus Exam Pass (10+ Months) | $464.99 | one-time |


## Frequently asked questions

### Is Brainblast free?

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

### Is OnePrep free?

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

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

OnePrep is rated higher. Brainblast averages 4.7 out of 5 from 579 ratings, while OnePrep averages 4.7 from 673 ratings.

### Do Brainblast or OnePrep have ads?

Both Brainblast and OnePrep show ads.

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

Brainblast ships an update every 3 days, and OnePrep every 5 days. Most recently, Brainblast was updated on October 20, 2026 and OnePrep on October 21, 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.*