# Optics Trainer vs Reaction Timer Training

The clearest difference is review sentiment: Optics Trainer at 67% against Reaction Timer Training's 0%. Optics Trainer also leads on rating (4.5 vs 2.3) and update cadence (every 8 days vs every 3 months). Reaction Timer Training's advantage is device support (4 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Optics Trainer sells 3 in-app purchases, starting at $4.99 per 7 days and Reaction Timer Training sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Optics Trainer holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: Optics Trainer has 305 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 67% of Optics Trainer's written reviews are positive against 0% of Reaction Timer Training's.

Optics Trainer ships an update every 8 days, Reaction Timer Training every 3 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Optics Trainer | Reaction Timer Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (305 ratings)](https://appshunter.io/ios/app/optics-trainer-vision-and-brain/id1471943589/reviews)** | [2.3 (4 ratings)](https://appshunter.io/ios/app/reaction-timer-training/id1512744673/reviews) |
| Number of ratings | **305** | 4 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 395 MB | 35 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Optics Trainer LLC](https://appshunter.io/developer/898519375) | [MillionTask, Unipessoal, Lda](https://appshunter.io/developer/1512744672) |

## What reviewers say

### Optics Trainer

[App page](https://appshunter.io/ios/app/optics-trainer-vision-and-brain/id1471943589)

Enhance your visual skills with a variety of engaging games and personalized daily workouts. Improve convergence, divergence, stereo acuity, and binocular fusion. Test and strengthen visual memory, tracking, and peripheral vision for sharper focus.

**Highlights:** Vision therapy and training, 28+ engaging games, Personalized daily workouts, Improve convergence and divergence, Enhance stereo acuity and binocular fusion, Test visual memory and tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $14.99 | per month |
| Annual Subscription | $149.99 | per year |

**What reviewers like**

- 👍 Fun and engaging games
- 💡 Helpful for vision therapy
- ✅ Clearly explains objectives
- 🚀 Improves focus and coordination
- 😊 Makes eye training enjoyable

**What reviewers complain about**

- 💸 Expensive subscription model
- 😠 Overwhelming and intrusive ads
- ❌ Free version unusable due to ads
- 📉 Poorly programmed exercises
- 🚫 No scientific evidence for some claims

**Reported bugs**

- Number flip game has blank tiles
- Flower power stopped working
- Letter delivery letter goes off-screen
- Attention exercises stuck on level one
- Ice flow impossible to level up

**Requested features**

- Customize peripheral vision symbols
- Option to change symbol colors
- Adjust number of targets in Dynamic Acuity
- Add introductory level for Dynamic Acuity
- Allow offline play in free version


### Reaction Timer Training

[App page](https://appshunter.io/ios/app/reaction-timer-training/id1512744673)

Enhance your cognitive and physical performance with this reaction training app. Improve reaction time, decision-making, and coordination using customizable drills and Apple Watch integration. Track progress and sync data with the Health app.

**Highlights:** Improve reaction time, Enhance decision time, Develop peripheral vision, Boost coordination and speed, Customizable training drills, Apple Watch integration, Health app sync

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Auto Renewable Subs | $1.99 | per month |


## Frequently asked questions

### Is Optics Trainer free?

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

### Is Reaction Timer Training free?

Reaction Timer Training is free to download, with in-app purchases available.

### Which has better reviews, Optics Trainer or Reaction Timer Training?

Optics Trainer is rated higher. Optics Trainer averages 4.5 out of 5 from 305 ratings, while Reaction Timer Training averages 2.3 from 4 ratings.

### Do Optics Trainer or Reaction Timer Training have ads?

Both Optics Trainer and Reaction Timer Training show ads.

### Which is updated more often, Optics Trainer or Reaction Timer Training?

Optics Trainer ships an update every 8 days, and Reaction Timer Training every 3 months. Most recently, Optics Trainer was updated on October 24, 2026 and Reaction Timer Training on October 22, 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.*