# CalLog AI vs Eye Exercise

The clearest difference is update cadence: CalLog AI at every 3 days against Eye Exercise's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CalLog AI sells 1 in-app purchase, starting at $4.99 per month and Eye Exercise sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

CalLog AI ships an update every 3 days, Eye Exercise every 8 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CalLog AI | Eye Exercise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/eye-exercise-oneeye/id6765911143/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | — | Freemium |
| Size | 24 MB | 42 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShakthiKumar Sadras](https://appshunter.io/developer/1895001616) | [Vignesh Viswanathan](https://appshunter.io/developer/1687983437) |

## What reviewers say

### CalLog AI

[App page](https://appshunter.io/ios/app/callog-ai/id6762766629)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calvyx Pro Monthly | $4.99 | per month |


### Eye Exercise

[App page](https://appshunter.io/ios/app/eye-exercise-oneeye/id6765911143)

This app uses real-time eye tracking with TrueDepth technology to guide you through short daily eye exercises. Reduce screen fatigue and build healthier screen habits with guided routines and blink training. Track your progress and maintain streaks with a clean, distraction-free interface.

**Highlights:** Real-time eye tracking, Guided eye movement exercises, Daily screen break routines, Blink training, Workout history and streak tracking, On-device camera processing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $19.99 | per year |
| OneEye Pro Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is CalLog AI free?

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

### Is Eye Exercise free?

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

### Do CalLog AI or Eye Exercise have ads?

Neither CalLog AI nor Eye Exercise shows ads.

### Which is updated more often, CalLog AI or Eye Exercise?

CalLog AI ships an update every 3 days, and Eye Exercise every 8 days. Most recently, CalLog AI was updated on October 13, 2026 and Eye Exercise on October 7, 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.*