# Diary with lock vs Moonwave

The clearest difference is ads: Moonwave at none against Diary with lock's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Diary with lock sells 2 in-app purchases, starting at $12.99 per month and Moonwave sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Diary with lock | Moonwave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/diary-with-lock-zendiary/id6757203323/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 115 MB | 21 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 12+ |
| Developer | [Pulkit Aggarwal](https://appshunter.io/developer/1839292908) | [stDEV](https://appshunter.io/developer/1879180620) |

## What reviewers say

### Diary with lock

[App page](https://appshunter.io/ios/app/diary-with-lock-zendiary/id6757203323)

This app offers a private digital journal with PIN protection, AI-powered mood tracking, and personalized insights. It helps users record daily thoughts, express feelings, and understand emotional patterns through guided journaling and AI companionship.

**Highlights:** PIN lock for privacy, AI-powered journaling, Mood tracking and analysis, Personalized AI insights, Daily reminders, Photo attachments, Cloud backup options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $12.99 | per month |
| Premium Yearly | $79.99 | per year |


### 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 |


## Frequently asked questions

### Is Diary with lock free?

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

### Is Moonwave free?

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

### Do Diary with lock or Moonwave have ads?

Diary with lock shows ads; Moonwave does not.

### Which is updated more often, Diary with lock or Moonwave?

Diary with lock ships an update every 3 days, and Moonwave every 3 days. Most recently, Diary with lock was updated on October 31, 2026 and Moonwave on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*