# Steady vs 日記と体重

The clearest difference is in-app purchases: 日記と体重 at none against Steady's 1. 日記と体重 also leads on ads (none vs shown) and update cadence (weekly vs every 4 weeks). On price there is nothing between them.

Both are free to download. Steady sells 1 in-app purchase, starting at $2.99 per year. 日記と体重 asks for nothing beyond the download.

Steady ships an update every 4 weeks, 日記と体重 weekly. The most recent releases landed on September 18, 2026 and June 20, 2026 respectively.

## The numbers

| Metric | Steady | 日記と体重 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Freemium | **Free** |
| Size | 14 MB | 30 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Naia Inc.](https://appshunter.io/developer/1179685788) | [Yuya Ohno](https://appshunter.io/developer/1757372076) |

## What reviewers say

### Steady

[App page](https://appshunter.io/ios/app/steady-simple-diet-note/id6503644140)

This app helps you manage your health and diet by easily tracking daily weight, body fat, meals, exercise, and more. Visualize your progress with graphs and calendar views, and sync data with Apple Health for seamless integration. Secure your data with cloud backup and passcode lock.

**Highlights:** Daily weight and body fat tracking, Meal logging with photos, Exercise and period tracking, Progress graphs and calendar view, Apple Health integration, Cloud backup and passcode lock, Input reminders

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per year |


### 日記と体重

[App page](https://appshunter.io/ios/app/bmi/id6544789673)

Easily log daily entries, weight, and body fat percentage with a calendar interface. Track your progress visually with customizable graphs and review past records. Stay motivated with reminders and personalize your experience with theme colors.

**Highlights:** Calendar-based logging, Weight and body fat percentage tracking, Monthly average weight display, Customizable progress graphs, Searchable diary history, Theme color customization, Recording reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Steady free?

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

### Is 日記と体重 free?

日記と体重 is free to download, with no in-app purchases.

### Do Steady or 日記と体重 have ads?

Steady shows ads; 日記と体重 does not.

### Which is updated more often, Steady or 日記と体重?

Steady ships an update every 4 weeks, and 日記と体重 weekly. Most recently, Steady was updated on September 18, 2026 and 日記と体重 on June 20, 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.*