# ヘルスチャート vs Calorithm

The clearest difference is in-app purchases: ヘルスチャート at none against Calorithm's 1. ヘルスチャート also leads on ads (none vs shown) and update cadence (daily vs every 3 days). Calorithm's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Calorithm sells 1 one-off in-app purchase. ヘルスチャート asks for nothing beyond the download.

ヘルスチャート ships an update daily, Calorithm every 3 days. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ヘルスチャート | Calorithm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 3 days |
| Size | 1 MB | 60 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Pronama LLC](https://appshunter.io/developer/1155767404) | [Shunsuke Maeda](https://appshunter.io/developer/1815285078) |

## What reviewers say

### ヘルスチャート

[App page](https://appshunter.io/ios/app/id6446042433)

**Features:** Vision Pro support

**In-app purchases:** none


### Calorithm

[App page](https://appshunter.io/ios/app/calorithm/id6746127712)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Points | $0.99 | one-time |


## Frequently asked questions

### Is ヘルスチャート free?

ヘルスチャート is free to download, with no in-app purchases.

### Is Calorithm free?

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

### Do ヘルスチャート or Calorithm have ads?

Calorithm shows ads; ヘルスチャート does not.

### Which is updated more often, ヘルスチャート or Calorithm?

ヘルスチャート ships an update daily, and Calorithm every 3 days. Most recently, ヘルスチャート was updated on October 7, 2026 and Calorithm on October 28, 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.*