# Time Caps vs Moo日记

The clearest difference is ads: Time Caps at none against Moo日记's shown. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Time Caps sells 6 in-app purchases, starting at $3.99 per month and Moo日记 sells 14 in-app purchases, starting at $1.99 per 3 months. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Time Caps against 4.8 for Moo日记. Both are backed by a comparable volume of ratings — 153 and 364 respectively. Written reviews are what separate them: 84% of Time Caps's written reviews are positive against 76% of Moo日记's.

Time Caps ships an update every 6 weeks, Moo日记 monthly. The most recent releases landed on September 2, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Time Caps | Moo日记 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (153 ratings)](https://appshunter.io/ios/app/time-caps-a-future-diary/id1195852313/reviews) | [4.8 (364 ratings)](https://appshunter.io/ios/app/moo/id1473250948/reviews) |
| Number of ratings | 153 | **364** |
| Positive reviews | **83.7% of reviews** | 76.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Freemium | Freemium |
| Size | 18 MB | 276 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [灿海 陈](https://appshunter.io/developer/1068107051) | [重庆书漫文化传播有限公司](https://appshunter.io/developer/1230330554) |

## What reviewers say

### Time Caps

[App page](https://appshunter.io/ios/app/time-caps-a-future-diary/id1195852313)

This app allows users to create a digital diary with various types of entries, including daily reflections, future messages, and voice notes. It offers features like mood-based coloring, serendipitous retrieval of past entries, and secure privacy protection. Users can also subscribe for enhanced functionalities and premium features.

**Highlights:** Daily mood-based journal entries, Write messages to your future self, Record voice notes for the future, Serendipitous retrieval of past entries, Secure passcode and biometric lock, Daily reminders and widgets, Offline functionality

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time Traveler Pro (Monthly) | $3.99 | per month |
| Time Traveler Pro (Yearly) | $24.99 | per year |
| 1200 Cap Pieces | $0.99 | one-time |
| 2888 Cap Pieces | $1.99 | one-time |
| 3600 Cap Pieces | $2.99 | one-time |
| 5000 Cap Pieces | $3.99 | one-time |

**What reviewers like**

- 💡 Unique concept of time capsules
- 👍 Easy and simple to use
- 💖 Encourages journaling habit
- 😊 Calming and beautiful design
- ✨ Helps self-reflection and growth

**What reviewers complain about**

- 💰 In-app purchases for features
- 💸 High cost for capsules/features
- 🔒 Password lock feature requires subscription
- 📈 Difficulty in exporting data
- 😔 Word cap can be restrictive

**Reported bugs**

- 🐛 Interface issues with updates
- 🐛 Face ID issues reported

**Requested features**

- Ability to export previous posts
- Lower gem prices for capsules
- More options for describing the day
- Add template feature
- Support dark mode


### Moo日记

[App page](https://appshunter.io/ios/app/moo/id1473250948)

A minimalist diary app designed to help users record their daily moods, thoughts, and life events. It offers a safe space to express feelings, track emotional patterns, and connect with a supportive community.

**Highlights:** Daily mood and story recording, Conversational journaling prompts, Mood trend visualization, Supportive community forum, Elegant minimalist design, Cloud sync and encryption (Pro)

**Features:** Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包季 | $1.99 | per 3 months |
| 连续包年 | $5.99 | per year |
| 2000胡萝北 | $0.99 | one-time |
| 2根萝卜 | $1.99 | one-time |
| ai月度会员 | $1.99 | one-time |
| AI增值服务月卡 | $1.99 | one-time |
| 专业版一季 | $3.99 | one-time |
| 8000胡萝北 | $3.99 | one-time |
| 永久版 | $5.99 | one-time |
| 永久专业版 | $5.99 | one-time |
| 16000胡萝北 | $5.99 | one-time |
| 专业版一年 | $9.99 | one-time |
| AI增值服务年卡 | $19.99 | one-time |
| Moo日记永久专业版原价 | $39.99 | one-time |


## Frequently asked questions

### Is Time Caps free?

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

### Is Moo日记 free?

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

### Which has better reviews, Time Caps or Moo日记?

Time Caps and Moo日记 are both rated 4.8 out of 5 on the App Store, from 153 and 364 ratings respectively.

### Do Time Caps or Moo日记 have ads?

Moo日记 shows ads; Time Caps does not.

### Which is updated more often, Time Caps or Moo日记?

Time Caps ships an update every 6 weeks, and Moo日记 monthly. Most recently, Time Caps was updated on September 2, 2026 and Moo日记 on September 25, 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.*