# BÜ vs vitae protocol

The clearest difference is rating: vitae protocol at 5.0 against BÜ's 4.4. BÜ's advantage is ratings volume (7 vs 1) and update cadence (every 8 days vs every 2 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. BÜ sells 2 in-app purchases, starting at $14.99 per month and vitae protocol sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

vitae protocol holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: BÜ has 7 ratings behind it against 1, so its average is the more settled of the two.

BÜ ships an update every 8 days, vitae protocol every 2 weeks. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | BÜ | vitae protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/bu-ai-journal-and-mood-tracker/id6753692016/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vitae-protocol/id6760626794/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Monetization | Freemium | Freemium |
| Size | 115 MB | 27 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AMPLIFYE BRAND LIMITED COMPANY](https://appshunter.io/developer/1757079538) | [Vitae Labs, LLC](https://appshunter.io/developer/1526266991) |

## What reviewers say

### BÜ

[App page](https://appshunter.io/ios/app/bu-ai-journal-and-mood-tracker/id6753692016)

This app helps you understand your emotions and habits by tracking your mood and journaling your experiences. It uses AI to identify patterns that contribute to your well-being and personal growth, adapting to your lifestyle.

**Highlights:** Daily mood check-ins, AI-powered pattern insights, Customizable 'good day' definition, Integration with Apple Health, Guided journaling prompts, Gratitude journaling

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BÜ Premium | $14.99 | per month |
| BÜ Premium | $99.99 | per year |


### vitae protocol

[App page](https://appshunter.io/ios/app/vitae-protocol/id6760626794)

This app creates a custom daily health plan using your biological data and wearable device information. It organizes your day with specific, timed tasks to help you achieve your longevity goals. Integrates with popular health tracking devices and platforms.

**Highlights:** Personalized daily health protocols, Longevity science-backed guidance, Daily schedule structuring, Wearable device integration, Apple Health integration, Sleep optimization, Action tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vitae Pro — Weekly | $6.99 | per 7 days |
| Vitae Pro — Monthly | $14.99 | per month |
| Vitae Pro — Annual | $59.99 | per year |


## Frequently asked questions

### Is BÜ free?

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

### Is vitae protocol free?

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

### Which has better reviews, BÜ or vitae protocol?

vitae protocol is rated higher. BÜ averages 4.4 out of 5 from 7 ratings, while vitae protocol averages 5.0 from 1 ratings.

### Do BÜ or vitae protocol have ads?

Neither BÜ nor vitae protocol shows ads.

### Which is updated more often, BÜ or vitae protocol?

BÜ ships an update every 8 days, and vitae protocol every 2 weeks. Most recently, BÜ was updated on October 25, 2026 and vitae protocol on October 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.*