# Brainblast vs OnePrep

Brainblast and OnePrep both sit at 4.6 stars, but that hides the real split: 60% of Brainblast's written reviews are positive against 41% of OnePrep's. Brainblast also leads on update cadence (every 2 days vs every 5 days) and chart position (#171 vs unranked). OnePrep's advantage is iOS requirement (15.1 vs 18.2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Brainblast sells 10 in-app purchases, starting at $149.00 per month and OnePrep sells 10 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 — 4.6 for Brainblast against 4.7 for OnePrep. Both are backed by a comparable volume of ratings — 590 and 750 respectively. Written reviews are what separate them: 60% of Brainblast's written reviews are positive against 41% of OnePrep's.

Brainblast ships an update every 2 days, OnePrep every 5 days. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Brainblast | OnePrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (590 ratings)](https://appshunter.io/ios/app/brainblast-sat-prep/id6744460293/reviews) | **[4.7 (750 ratings)](https://appshunter.io/ios/app/oneprep-sat-act-and-ap-prep/id6755932961/reviews)** |
| Number of ratings | 590 | **750** |
| Positive reviews | **59.6% of reviews** | 40.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#171** | — |
| Size | 325 MB | 87 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:** #171 Top Grossing · Education, #181 Top Free · Education (US App Store)

This app transforms SAT preparation into an engaging game. It offers practice questions, detailed explanations, and performance analytics to help users achieve their target scores. Designed for all levels of SAT students, it provides a clear path to improvement.

**Highlights:** Gamified SAT practice questions, Step-by-step problem explanations, Performance analytics and insights, Personalized skill-level progression, Target score goal setting, Progress tracking over time

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 |
| 6500 Gems | $19.99 | one-time |
| Brainblast Max - 30 Days | $149.00 | one-time |
| Brainblast Max - 90 Days | $199.00 | one-time |
| Brainblast Max - 180 Days | $249.00 | one-time |
| Brainblast Max - 360 Days | $299.00 | one-time |


### OnePrep

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

Prepare for standardized tests 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 improve your scores.

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnePrep Pro (1 Week) | $28.49 | per 7 days |
| OnePrep Pro (1 Month) | $99.99 | per month |
| OnePrep Pro (3 Months) | $269.00 | per 3 months |
| OnePrep Pro (1 Year) | $589.00 | per year |
| OnePrep Plus Exam Pass (0-7 Days) | $79.00 | 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 (31-44 Days) | $134.99 | one-time |
| OnePrep Pro Exam Pass (45-58 Days) | $174.99 | 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 4.6 out of 5 from 590 ratings, while OnePrep averages 4.7 from 750 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 2 days, and OnePrep every 5 days. Most recently, Brainblast was updated on November 8, 2026 and OnePrep on November 9, 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.*