# Moonwave vs DotDiary

The clearest difference is update cadence: DotDiary at daily against Moonwave's every 3 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Moonwave sells 1 one-off in-app purchase and DotDiary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Moonwave ships an update every 3 days, DotDiary daily. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Moonwave | DotDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Size | 21 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [stDEV](https://appshunter.io/developer/1879180620) | [Fredy Soussou](https://appshunter.io/developer/6779338173) |

## What reviewers say

### Moonwave

[App page](https://appshunter.io/ios/app/moonwave-period-tracker/id6778429839)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $19.99 | one-time |


### 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 Moonwave free?

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

### Is DotDiary free?

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

### Do Moonwave or DotDiary have ads?

Neither Moonwave nor DotDiary shows ads.

### Which is updated more often, Moonwave or DotDiary?

Moonwave ships an update every 3 days, and DotDiary daily. Most recently, Moonwave was updated on October 19, 2026 and DotDiary on October 6, 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.*