# Red Light Therapy Tracker vs DotDiary

Red Light Therapy Tracker and DotDiary are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Red Light Therapy Tracker sells 3 in-app purchases, starting at $3.99 per 7 days and DotDiary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Red Light Therapy Tracker | DotDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 84 MB | 2 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Fatih Erdogan](https://appshunter.io/developer/1526494037) | [Fredy Soussou](https://appshunter.io/developer/6779338173) |

## What reviewers say

### Red Light Therapy Tracker

[App page](https://appshunter.io/ios/app/red-light-therapy-tracker/id6788332075)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $7.99 | per month |
| Annual Subscription | $24.99 | per year |


### DotDiary

[App page](https://appshunter.io/ios/app/dotdiary/id6792033058)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DotDiary Pro | $2.99 | one-time |


## Frequently asked questions

### Is Red Light Therapy Tracker free?

Red Light Therapy Tracker is free to download, with in-app purchases available.

### Is DotDiary free?

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

### Do Red Light Therapy Tracker or DotDiary have ads?

Neither Red Light Therapy Tracker nor DotDiary shows ads.

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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.*