# Mood Tracker vs Big Yellow Diary

The clearest difference is update cadence: Big Yellow Diary at every 6 days against Mood Tracker's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mood Tracker sells 2 in-app purchases, starting at $9.99 per year and Big Yellow Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mood Tracker ships an update every 2 weeks, Big Yellow Diary every 6 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Mood Tracker | Big Yellow Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mood-tracker-moodup/id6450100126/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 3 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [远东 钟](https://appshunter.io/developer/1130865967) | [山 黄](https://appshunter.io/developer/1679305097) |

## What reviewers say

### Mood Tracker

[App page](https://appshunter.io/ios/app/mood-tracker-moodup/id6450100126)

Track your moods and emotions to gain self-awareness and identify patterns. Use it as a daily journal to understand triggers and make better decisions. Share insights with your therapist for enhanced support.

**Highlights:** Mood and emotion logging, Trigger association, Daily journaling, Visual mood representation, Pattern recognition, Therapist sharing, Premium stats and photo attachment

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium MoodUp - Yearly | $9.99 | per year |
| Premium MoodUp (forever) | $59.99 | one-time |


### Big Yellow Diary

[App page](https://appshunter.io/ios/app/big-yellow-diary/id6739752316)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus version | $1.99 | one-time |


## Frequently asked questions

### Is Mood Tracker free?

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

### Is Big Yellow Diary free?

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

### Do Mood Tracker or Big Yellow Diary have ads?

Neither Mood Tracker nor Big Yellow Diary shows ads.

### Which is updated more often, Mood Tracker or Big Yellow Diary?

Mood Tracker ships an update every 2 weeks, and Big Yellow Diary every 6 days. Most recently, Mood Tracker was updated on November 3, 2026 and Big Yellow Diary on November 8, 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.*