# BRAIN! vs BUSHILOG

The clearest difference is in-app purchases: BRAIN! at none against BUSHILOG's 1. BRAIN! also leads on update cadence (daily vs weekly) and iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. BUSHILOG sells 1 in-app purchase, starting at $3.99 per month. BRAIN! asks for nothing beyond the download.

BRAIN! ships an update daily, BUSHILOG weekly. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BRAIN! | BUSHILOG |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Freemium |
| Size | 104 MB | 189 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [TNQ Tech, Co.](https://appshunter.io/developer/1817559824) | [HIROYA KOSHIISHI](https://appshunter.io/developer/1867876552) |

## What reviewers say

### BRAIN!

[App page](https://appshunter.io/ios/app/brain/id6747735697)

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

**In-app purchases:** none


### BUSHILOG

[App page](https://appshunter.io/ios/app/bushilog/id6757687889)

This app helps you build habits and improve self-discipline through daily logging, reflection, and guidance. It aims to enhance willpower, focus, and quality of thought. User data is kept private and is not shared publicly.

**Highlights:** Daily logging of actions and thoughts, Reflection for self-analysis, Guidance from a 'Samurai Coach', Simple design for habit continuation, Log editing (Pro plan), Unlimited 'Samurai' consultations (Pro plan)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BUSHIDO LOG Pro | $3.99 | per month |


## Frequently asked questions

### Is BRAIN! free?

BRAIN! is free to download, with no in-app purchases.

### Is BUSHILOG free?

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

### Do BRAIN! or BUSHILOG have ads?

Neither BRAIN! nor BUSHILOG shows ads.

### Which is updated more often, BRAIN! or BUSHILOG?

BRAIN! ships an update daily, and BUSHILOG weekly. Most recently, BRAIN! was updated on October 7, 2026 and BUSHILOG on October 15, 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.*