# Optics Trainer vs Lucentra23

The clearest difference is in-app purchases: Lucentra23 at none against Optics Trainer's 3. Lucentra23 also leads on ads (none vs shown). On price, update cadence, 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. Lucentra23 asks for nothing beyond the download.

Optics Trainer ships an update every 8 days, Lucentra23 every 5 days. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Optics Trainer | Lucentra23 |
| --- | --- | --- |
| 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 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 395 MB | 110 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Optics Trainer LLC](https://appshunter.io/developer/898519375) | [Dopame Pte. Ltd.](https://appshunter.io/developer/1832457748) |

## 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


### Lucentra23

[App page](https://appshunter.io/ios/app/lucentra23/id6759278585)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optics Trainer free?

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

### Is Lucentra23 free?

Lucentra23 is free to download, with no in-app purchases.

### Do Optics Trainer or Lucentra23 have ads?

Optics Trainer shows ads; Lucentra23 does not.

### Which is updated more often, Optics Trainer or Lucentra23?

Optics Trainer ships an update every 8 days, and Lucentra23 every 5 days. Most recently, Optics Trainer was updated on October 25, 2026 and Lucentra23 on October 16, 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.*