# ExerSight vs Otus Game

The clearest difference is review sentiment: Otus Game at 67% against ExerSight's 0%. Otus Game also leads on in-app purchases (none vs 6) and update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ExerSight sells 4 one-off in-app purchases. Otus Game asks for nothing beyond the download.

ExerSight ships an update every 2 months, Otus Game every 2 weeks. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ExerSight | Otus Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/exersight/id1626914472/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 174 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Just For Eyes](https://appshunter.io/developer/1488703945) | [EDENLUX Corp.](https://appshunter.io/developer/1443712682) |

## What reviewers say

### ExerSight

[App page](https://appshunter.io/ios/app/exersight/id1626914472)

Engage in a virtual game designed to improve your eyesight through eye performance exercises. This app transforms ophthalmological research into interactive gameplay, helping users enhance their vision.

**Highlights:** AR vision training, Eye performance exercises, Interactive gameplay, Virtual ball finding, catching, deflecting

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BallDeflect | $0.99 | one-time |
| BallCatch | $0.99 | one-time |
| One Month Premium | $2.99 | one-time |
| Three Months Premium | $6.99 | one-time |


### Otus Game

[App page](https://appshunter.io/ios/app/otus-game/id6476952932)

Engage in a variety of games designed to improve eye health and vision. Requires membership and eye score measurement through a companion app to begin playing.

**Highlights:** Eye exercise games, Vision improvement focus, Requires Otus Plus membership, Eye score measurement integration, Suitable for tired eyes

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

**In-app purchases:** none


## Frequently asked questions

### Is ExerSight free?

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

### Is Otus Game free?

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

### Do ExerSight or Otus Game have ads?

Neither ExerSight nor Otus Game shows ads.

### Which is updated more often, ExerSight or Otus Game?

ExerSight ships an update every 2 months, and Otus Game every 2 weeks. Most recently, ExerSight was updated on October 21, 2026 and Otus Game on October 20, 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.*