# x2VOL_ vs OnePrep

The clearest difference is rating: OnePrep at 4.7 against x2VOL_'s 4.2. OnePrep also leads on update cadence (every 5 days vs every 3 months) and review sentiment (45% vs 15%). x2VOL_'s advantage is in-app purchases (none vs 23) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. OnePrep sells 23 in-app purchases, starting at $28.49 per 7 days. x2VOL_ asks for nothing beyond the download.

OnePrep holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 1.4K and 673 respectively. Written reviews point the same way: 15% of x2VOL_'s written reviews are positive against 45% of OnePrep's.

x2VOL_ ships an update every 3 months, OnePrep every 5 days. Both last shipped on October 21, 2026.

## The numbers

| Metric | x2VOL_ | OnePrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (1.4K ratings)](https://appshunter.io/ios/app/x2vol/id897794733/reviews) | **[4.7 (673 ratings)](https://appshunter.io/ios/app/oneprep-sat-and-act-prep/id6755932961/reviews)** |
| Number of ratings | **1.4K** | 673 |
| Positive reviews | 15.1% of reviews | **45.0% 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 | 21 MB | 88 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IntelliVOL](https://appshunter.io/developer/511523598) | [MyDojo Inc.](https://appshunter.io/developer/1854476769) |

## What reviewers say

### x2VOL_

[App page](https://appshunter.io/ios/app/x2vol/id897794733)

This app streamlines service hour tracking for K-12 students, allowing customization of goals and centralization of hours. It connects students with nonprofits, verifies service records, and generates official transcripts for college and scholarship applications.

**Highlights:** Customize service goals, Centralize service hours, Provide diverse service opportunities, Track and report service hours, Engage with nonprofits, Generate Official Service Transcript™

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

**In-app purchases:** none

**What reviewers like**

- 💯 Easiest way to track service hours
- 🚀 Great app, makes it much easier and more convenient to request verification for service hours

**What reviewers complain about**

- 🐛 Terrible user interface, app is broken and doesn't work on iPad
- 🐛 Completely broken, unable to log in
- 🐛 Slow, not synced to website, needs an update but no updates available
- 🐛 Trouble logging in, can't submit hours, keeps kicking user out of the app
- 🐛 Doesn't work, can't submit hours, forces user to use the website instead

**Reported bugs**

- Login issues, unable to log in even with correct credentials
- App says it needs an update but no updates are available
- Hours submitted disappear or don't sync properly
- App forces user to go to website instead of working in the app

**Requested features**

- Add drafts to save hours before submitting
- Allow users to change information about the company they did service with
- Increase the number of hours that can be submitted at once


### 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 x2VOL_ free?

x2VOL_ 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, x2VOL_ or OnePrep?

OnePrep is rated higher. x2VOL_ averages 4.2 out of 5 from 1.4K ratings, while OnePrep averages 4.7 from 673 ratings.

### Do x2VOL_ or OnePrep have ads?

OnePrep shows ads; x2VOL_ does not.

### Which is updated more often, x2VOL_ or OnePrep?

x2VOL_ ships an update every 3 months, and OnePrep every 5 days. Most recently, x2VOL_ was updated on October 21, 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.*