# EviMoon vs Red Diary

The clearest difference is update cadence: Red Diary at every 3 days against EviMoon's every 2 weeks. EviMoon's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. EviMoon sells 2 in-app purchases, starting at $11.99 per 6 months and Red Diary sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

EviMoon ships an update every 2 weeks, Red Diary every 3 days. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | EviMoon | Red Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/red-diary-period-tracker/id6767368239/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 45 MB | 8 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [Islambek Abdykarim Uulu](https://appshunter.io/developer/1866532694) | [RUBINS DORMEUS](https://appshunter.io/developer/1884865930) |

## What reviewers say

### EviMoon

[App page](https://appshunter.io/ios/app/evimoon/id6757385025)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EviMoon 6-Month Premium | $11.99 | per 6 months |
| EviMoon Premium Yearly | $22.99 | per year |


### Red Diary

[App page](https://appshunter.io/ios/app/red-diary-period-tracker/id6767368239)

This app analyzes your symptoms, mood, energy, sleep, and activity to provide personalized insights and daily guidance tailored to your cycle phases. It offers a body weather forecast and smart recommendations for exercise, nutrition, and self-care.

**Highlights:** Personalized cycle insights, Smart daily guidance, Body weather forecast, Cycle tracking modes (fertility, pregnancy, birth control), Symptom and mood logging, HealthKit integration, Apple Watch companion app

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Annual | $4.99 | per year |


## Frequently asked questions

### Is EviMoon free?

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

### Is Red Diary free?

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

### Do EviMoon or Red Diary have ads?

Neither EviMoon nor Red Diary shows ads.

### Which is updated more often, EviMoon or Red Diary?

EviMoon ships an update every 2 weeks, and Red Diary every 3 days. Most recently, EviMoon was updated on October 9, 2026 and Red Diary on October 16, 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.*