# LEGO® Boost vs Oneiric Diary

The clearest difference is in-app purchases: LEGO® Boost at none against Oneiric Diary's 2. LEGO® Boost also leads on iOS requirement (13.0 vs 18.0). Oneiric Diary's advantage is update cadence (every 9 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Oneiric Diary sells 2 in-app purchases, starting at $3.90 per month. LEGO® Boost asks for nothing beyond the download.

LEGO® Boost ships an update every 3 months, Oneiric Diary every 9 days. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | LEGO® Boost | Oneiric Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.3K ratings)](https://appshunter.io/ios/app/lego-boost/id1217385613/reviews)** | — |
| Number of ratings | **4.3K** | — |
| Positive reviews | 65.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 717 MB | 45 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [LEGO System A/S](https://appshunter.io/developer/347363505) | [Erick Rico](https://appshunter.io/developer/6794078717) |

## What reviewers say

### LEGO® Boost

[App page](https://appshunter.io/ios/app/lego-boost/id1217385613)

Bring LEGO creations to life with this app! Use drag-and-drop coding to make models move, talk, and respond. Access building instructions and enjoy over 60 activities, or code your own unique models.

**Highlights:** Drag-and-drop coding interface, Digital LEGO building instructions, Over 60 fun activities, Codeable LEGO models, Control LEGO creations from mobile device, Combine with other LEGO sets

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fun and engaging
- 👍 Great for learning coding
- 🎨 Excellent for creativity
- 💡 Impressive programming options
- 🤖 Enjoyable building experience

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Battery life problems
- 📚 Unclear instructions
- 🤔 Confusing programming interface
- 🔍 Difficulty finding parts

**Reported bugs**

- App crashes and freezes
- Firmware update failures
- Bluetooth connection problems
- Lost progress and build instructions
- Sensor and motor issues

**Requested features**

- More advanced programming blocks
- Ability to save and load projects
- Improved instructions and documentation
- Compatibility with more devices
- Easier part organization


### Oneiric Diary

[App page](https://appshunter.io/ios/app/oneiric-diary/id6794078715)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Morpheus Premium Monthly | $3.90 | per month |
| Morpheus Premium Yearly | $38.90 | per year |


## Frequently asked questions

### Is LEGO® Boost free?

LEGO® Boost is free to download, with no in-app purchases.

### Is Oneiric Diary free?

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

### Do LEGO® Boost or Oneiric Diary have ads?

Neither LEGO® Boost nor Oneiric Diary shows ads.

### Which is updated more often, LEGO® Boost or Oneiric Diary?

LEGO® Boost ships an update every 3 months, and Oneiric Diary every 9 days. Most recently, LEGO® Boost was updated on October 11, 2026 and Oneiric Diary on October 9, 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.*