# Melletech vs Mask Diary

The clearest difference is in-app purchases: Melletech at none against Mask Diary's 1. Melletech also leads on update cadence (every 3 weeks vs every 12 months) and iOS requirement (8.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Mask Diary sells 1 one-off in-app purchase. Melletech asks for nothing beyond the download.

Melletech ships an update every 3 weeks, Mask Diary every 12 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Melletech | Mask Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | — | Freemium |
| Size | 137 MB | 2 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [深圳美丽策科技有限公司](https://appshunter.io/developer/1113923251) | [阳 孙](https://appshunter.io/developer/1518808403) |

## What reviewers say

### Melletech

[App page](https://appshunter.io/ios/app/melletech/id1113923252)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mask Diary

[App page](https://appshunter.io/ios/app/mask-diary-face-mask-timer/id1671296335)

This app helps you track your sheet mask usage with a timer and journal. Log mask details, skin reactions, and create a personal mask library to discover what works best for your skin.

**Highlights:** Live countdown timer, Lock Screen and Dynamic Island controls, Mask logging with ratings and skin feel, Skin selfie and notes, Mask shelf management, Low-stock reminders, Home and Lock Screen widgets

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久解锁 | $1.99 | one-time |


## Frequently asked questions

### Is Melletech free?

Melletech is free to download, with no in-app purchases.

### Is Mask Diary free?

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

### Do Melletech or Mask Diary have ads?

Neither Melletech nor Mask Diary shows ads.

### Which is updated more often, Melletech or Mask Diary?

Melletech ships an update every 3 weeks, and Mask Diary every 12 months. Most recently, Melletech was updated on November 2, 2026 and Mask Diary on November 3, 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.*