# EyeRelax vs OnlyLock

The clearest difference is device support: OnlyLock at 2 against EyeRelax's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. EyeRelax sells 1 one-off in-app purchase and OnlyLock sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | EyeRelax | OnlyLock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 155 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [原野 葛](https://appshunter.io/developer/1704204366) | [凡滨 林](https://appshunter.io/developer/1826611654) |

## What reviewers say

### EyeRelax

[App page](https://appshunter.io/ios/app/eyerelax-vision-training/id6760103685)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eye Relax Lifetime Membership | $1.99 | one-time |


### OnlyLock

[App page](https://appshunter.io/ios/app/onlylock/id6760904628)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $4.99 | per month |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is EyeRelax free?

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

### Is OnlyLock free?

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

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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.*