# Tesseract vs Vesper

The clearest difference is price: Tesseract at Free against Vesper's $0.99. Tesseract also leads on update cadence (every 10 days vs every 3 months). Vesper's advantage is iOS requirement (17.6 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Tesseract is free to download; Vesper costs $0.99 up front. Tesseract sells 3 in-app purchases, starting at $1.99 per month and Vesper sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Tesseract ships an update every 10 days, Vesper every 3 months. Both last shipped on November 5, 2026.

## The numbers

| Metric | Tesseract | Vesper |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (110 ratings)](https://appshunter.io/ios/app/tesseract-interstellar-diary/id6599853294/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | 78.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 15 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 transforms your daily entries into a visually rich photo diary with dynamic themes and spatial presentation. Add photos, use journaling prompts, and secure your memories with biometric locks. Revisit your past with a calendar, search, and a Home Screen widget.

**Highlights:** Eleven visual themes with motion and depth, Spatial presentation for words and photos, Photo attachments, Horizontal, vertical, and grid layouts, Calendar and search functionality, Face ID or Touch ID lock for entries, On This Day Home Screen widget

**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


### Vesper

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

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timepiece Pro | $0.99 | one-time |


## Frequently asked questions

### Is Tesseract free?

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

### Is Vesper free?

Vesper costs $0.99, and also offers in-app purchases.

### Do Tesseract or Vesper have ads?

Neither Tesseract nor Vesper shows ads.

### Which is updated more often, Tesseract or Vesper?

Tesseract ships an update every 10 days, and Vesper every 3 months. Most recently, Tesseract was updated on November 5, 2026 and Vesper on November 5, 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.*