# CFOPTrainer vs Stopwatch Challenge

The clearest difference is in-app purchases: Stopwatch Challenge at none against CFOPTrainer's 8. Stopwatch Challenge also leads on ads (none vs shown) and update cadence (daily vs every 2 days). CFOPTrainer's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price there is nothing between them.

Both are free to download. CFOPTrainer sells 8 in-app purchases, starting at $2.99 per month. Stopwatch Challenge asks for nothing beyond the download.

CFOPTrainer ships an update every 2 days, Stopwatch Challenge daily. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CFOPTrainer | Stopwatch Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (26 ratings)](https://appshunter.io/ios/app/cfoptrainer/id6749577664/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 11 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ghislain pellegrin](https://appshunter.io/developer/424477040) | [Thibault Ducret](https://appshunter.io/developer/1842797901) |

## What reviewers say

### CFOPTrainer

[App page](https://appshunter.io/ios/app/cfoptrainer/id6749577664)

Master the 3x3 Rubik's Cube with this comprehensive coach. Learn essential algorithms, practice with interactive 3D visualizations, and train using a smart cube for real-time feedback. Track your progress and compete with others to achieve champion-worthy times.

**Highlights:** CFOP algorithm library (F2L, OLL, PLL), Animated 3D algorithm visualization, Trainer mode with quizzes and feedback, Smart Cube integration for real-time training, High-precision speedcubing timer, Progress tracking and performance overview, Custom algorithm support

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium – 1 Month Subscription | $2.99 | per month |
| Premium – 3 Months Subscription | $4.99 | per 3 months |
| Premium – 12 Months Subscription | $8.99 | per year |
| Premium – 1 Month | $2.99 | one-time |
| Premium – 3 Months | $4.99 | one-time |
| Premium – 12 Months | $8.99 | one-time |
| Premium – Forever | $19.99 | one-time |
| Premium – Forever | $29.99 | one-time |


### Stopwatch Challenge

[App page](https://appshunter.io/ios/app/stopwatch-challenge/id6811134669)

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

**In-app purchases:** none


## Frequently asked questions

### Is CFOPTrainer free?

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

### Is Stopwatch Challenge free?

Stopwatch Challenge is free to download, with no in-app purchases.

### Do CFOPTrainer or Stopwatch Challenge have ads?

CFOPTrainer shows ads; Stopwatch Challenge does not.

### Which is updated more often, CFOPTrainer or Stopwatch Challenge?

CFOPTrainer ships an update every 2 days, and Stopwatch Challenge daily. Most recently, CFOPTrainer was updated on October 5, 2026 and Stopwatch Challenge on October 10, 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.*