# ダイエットカレンダー vs Steady

The clearest difference is in-app purchases: ダイエットカレンダー at none against Steady's 1. ダイエットカレンダー also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). Steady's advantage is update cadence (every 4 weeks vs every 6 months). On price and ads there is nothing between them.

Both are free to download. Steady sells 1 in-app purchase, starting at $2.99 per year. ダイエットカレンダー asks for nothing beyond the download.

ダイエットカレンダー ships an update every 6 months, Steady every 4 weeks. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ダイエットカレンダー | Steady |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 4 weeks** |
| Monetization | — | Freemium |
| Size | 48 MB | 14 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [yumearu Co.,Ltd.](https://appshunter.io/developer/411112570) | [Naia Inc.](https://appshunter.io/developer/1179685788) |

## What reviewers say

### ダイエットカレンダー

[App page](https://appshunter.io/ios/app/id1669628501)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ダイエットカレンダー free?

ダイエットカレンダー is free to download, with no in-app purchases.

### Is Steady free?

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

### Do ダイエットカレンダー or Steady have ads?

Both ダイエットカレンダー and Steady show ads.

### Which is updated more often, ダイエットカレンダー or Steady?

ダイエットカレンダー ships an update every 6 months, and Steady every 4 weeks. Most recently, ダイエットカレンダー was updated on September 10, 2026 and Steady on September 18, 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.*