# Tesseract vs Timepiece · Slow Clock

The clearest difference is iOS requirement: Timepiece · Slow Clock at 17.6 against Tesseract's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Tesseract sells 3 in-app purchases, starting at $1.99 per month and Timepiece · Slow Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Tesseract | Timepiece · Slow Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (110 ratings)](https://appshunter.io/ios/app/tesseract-interstellar-diary/id6599853294/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 579 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Goateraction](https://appshunter.io/developer/1647805479) | [云 吴](https://appshunter.io/developer/1896745548) |

## What reviewers say

### Tesseract

[App page](https://appshunter.io/ios/app/tesseract-interstellar-diary/id6599853294)

This app offers a unique emotional journaling experience inspired by interstellar travel. It allows users to record memories in an immersive 3D interface, transforming diary entries into cosmic coordinates. Features include voice dictation, AI prompts, and secure iCloud syncing.

**Highlights:** Immersive 3D Tesseract interface, Voice dictation journaling, AI-powered journaling prompts, Aesthetic writing with animations, Secure iCloud sync, Privacy-first design

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $4.99 | per year |
| Lifetime | $12.99 | one-time |

**What reviewers like**

- 🎨 Stunning, gorgeous UI/UX design
- ✨ Smooth, silky animations and interactions
- 📱 Lightweight app (only 6MB)
- 💭 Intuitive and simple to use
- 🎯 Focused, single-purpose functionality

**What reviewers complain about**

- 💰 Aggressive monetization strategy
- 🔒 Data loss issues after updates
- 🐛 Edit button crashes the app
- 📸 Photos disappear when editing entries
- 🔄 Sync issues between devices

**Reported bugs**

- Data deletion after app updates
- Journal entries disappearing after switching apps
- Edit button causing app crashes
- Photos disappearing when adding new ones
- Photos disappearing after editing entries

**Requested features**

- Customizable theme colors and backgrounds
- Additional font options (especially for Chinese)
- PDF export functionality
- iCloud sync support
- Auto-save functionality


### Timepiece · Slow Clock

[App page](https://appshunter.io/ios/app/timepiece-slow-clock/id6770553858)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timepiece Pro | $0.99 | one-time |
| Supporter Upgrade | $2.99 | one-time |
| Timepiece Supporter | $4.99 | one-time |


## Frequently asked questions

### Is Tesseract free?

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

### Is Timepiece · Slow Clock free?

Timepiece · Slow Clock is free to download, with in-app purchases available.

### Do Tesseract or Timepiece · Slow Clock have ads?

Neither Tesseract nor Timepiece · Slow Clock shows ads.

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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.*