# Revolution Prep vs OnePrep

The clearest difference is in-app purchases: Revolution Prep at none against OnePrep's 24. Revolution Prep also leads on ads (none vs shown) and review sentiment (63% vs 41%). OnePrep's advantage is update cadence (every 5 days vs every 3 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. OnePrep sells 24 in-app purchases, starting at $28.49 per 7 days. Revolution Prep asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Revolution Prep against 4.7 for OnePrep. Both are backed by a comparable volume of ratings — 501 and 722 respectively. Written reviews are what separate them: 63% of Revolution Prep's written reviews are positive against 41% of OnePrep's.

Revolution Prep ships an update every 3 months, OnePrep every 5 days. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Revolution Prep | OnePrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (501 ratings)](https://appshunter.io/ios/app/revolution-prep/id1416262333/reviews) | **[4.7 (722 ratings)](https://appshunter.io/ios/app/oneprep-sat-and-act-prep/id6755932961/reviews)** |
| Number of ratings | 501 | **722** |
| Positive reviews | **63.2% of reviews** | 40.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 88 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Revolution Prep](https://appshunter.io/developer/1416262332) | [MyDojo Inc.](https://appshunter.io/developer/1854476769) |

## What reviewers say

### Revolution Prep

[App page](https://appshunter.io/ios/app/revolution-prep/id1416262333)

Instantly score your SAT, ACT, or PSAT practice exams by taking a picture of your test. Track your progress with detailed reports and analysis, all stored conveniently in one place. Self-proctor exams with built-in timing and audio cues.

**Highlights:** Instant scoring via phone camera, Detailed score reports and analysis, Practice exam results storage, Self-proctoring with timing and audio cues, Progress tracking

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick exam grading
- 👍 Easy to use
- 💡 Instant score reports
- 🚀 Saves time
- 👍 User-friendly navigation

**What reviewers complain about**

- 🐛 Automatic scoring broken
- 🐛 Scan feature errors
- 🐛 App crashes
- 🐛 Poorly designed app
- 🐛 Slow processing

**Reported bugs**

- Automatic scoring system is broken and useless.
- App crashes once a pic is taken to score an exam.
- Scan feature takes forever to process and gives error messages.
- App is terrible at grading exams.
- Scan feature requires multiple attempts to work.


### 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 (24)**

| 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 Plus Exam Pass (15-28 Days) | $85.00 | 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 Revolution Prep free?

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

### Is OnePrep free?

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

### Which has better reviews, Revolution Prep or OnePrep?

OnePrep is rated higher. Revolution Prep averages 4.6 out of 5 from 501 ratings, while OnePrep averages 4.7 from 722 ratings.

### Do Revolution Prep or OnePrep have ads?

OnePrep shows ads; Revolution Prep does not.

### Which is updated more often, Revolution Prep or OnePrep?

Revolution Prep ships an update every 3 months, and OnePrep every 5 days. Most recently, Revolution Prep was updated on October 25, 2026 and OnePrep on October 30, 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.*