# MoodLog vs Simple Mood Log

The clearest difference is update cadence: Simple Mood Log at every 3 days against MoodLog's every 3 weeks. Simple Mood Log also leads on review sentiment (100% vs 80%) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. MoodLog sells 2 in-app purchases, starting at $2.49 per month and Simple Mood Log sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

MoodLog ships an update every 3 weeks, Simple Mood Log every 3 days. The most recent releases landed on September 19, 2026 and August 10, 2026 respectively.

## The numbers

| Metric | MoodLog | Simple Mood Log |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 51 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mieko Komatsu](https://appshunter.io/developer/1537355602) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### MoodLog

[App page](https://appshunter.io/ios/app/moodlog-simple/id1555641803)

Easily log your daily mood, sleep, and physical condition. Track patterns with calendar and graph views. Customize what you record and set reminders to maintain consistency.

**Highlights:** Mood and sleep logging, Calendar and graph visualization, Customizable recording items, Reminder function, Dark mode support, Search function

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.49 | per month |
| Annual Premium | $21.49 | per year |


### Simple Mood Log

[App page](https://appshunter.io/ios/app/simple-mood-log/id6449779464)

Easily track your daily mood fluctuations with this intuitive app. Record your feelings, add notes and activities, and gain insights through detailed weekly and monthly analysis graphs. It's designed for quick logging and comprehensive mood tracking.

**Highlights:** Daily mood recording, Memo and activity tagging, Add past data, Weekly/monthly analysis, Mood percentage graphs, Simple and easy to use

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $0.99 | per month |
| Support Developer | $0.99 | one-time |


## Frequently asked questions

### Is MoodLog free?

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

### Is Simple Mood Log free?

Simple Mood Log is free to download, with in-app purchases available.

### Do MoodLog or Simple Mood Log have ads?

Both MoodLog and Simple Mood Log show ads.

### Which is updated more often, MoodLog or Simple Mood Log?

MoodLog ships an update every 3 weeks, and Simple Mood Log every 3 days. Most recently, MoodLog was updated on September 19, 2026 and Simple Mood Log on August 10, 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.*