# Optics Trainer vs LazyBones

The clearest difference is in-app purchases: LazyBones at none against Optics Trainer's 3. LazyBones also leads on ads (none vs shown). Optics Trainer's advantage is update cadence (every 8 days vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Optics Trainer sells 3 in-app purchases, starting at $4.99 per 7 days. LazyBones asks for nothing beyond the download.

Optics Trainer ships an update every 8 days, LazyBones every 4 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Optics Trainer | LazyBones |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (305 ratings)](https://appshunter.io/ios/app/optics-trainer-vision-and-brain/id1471943589/reviews)** | — |
| Number of ratings | **305** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 395 MB | 1 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Optics Trainer LLC](https://appshunter.io/developer/898519375) | [筝 徐](https://appshunter.io/developer/6771997358) |

## 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


### LazyBones

[App page](https://appshunter.io/ios/app/lazybones/id6774471061)

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

**In-app purchases:** none


## Frequently asked questions

### Is Optics Trainer free?

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

### Is LazyBones free?

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

### Do Optics Trainer or LazyBones have ads?

Optics Trainer shows ads; LazyBones does not.

### Which is updated more often, Optics Trainer or LazyBones?

Optics Trainer ships an update every 8 days, and LazyBones every 4 months. Most recently, Optics Trainer was updated on October 25, 2026 and LazyBones on October 24, 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.*