# 糖質メモカレンダー vs Hitoiro

The clearest difference is ads: Hitoiro at none against 糖質メモカレンダー's shown. 糖質メモカレンダー's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. 糖質メモカレンダー sells 1 in-app purchase, starting at $4.99 per month and Hitoiro sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 糖質メモカレンダー | Hitoiro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (8 ratings)](https://appshunter.io/ios/app/hitoiro/id6800390469/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 91.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | — | Freemium |
| Size | 50 MB | 25 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Iwahana](https://appshunter.io/developer/1867993180) | [Kodai Aoyama](https://appshunter.io/developer/6800390471) |

## What reviewers say

### 糖質メモカレンダー

[App page](https://appshunter.io/ios/app/id6757750352)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plemium Plan | $4.99 | per month |


### Hitoiro

[App page](https://appshunter.io/ios/app/hitoiro/id6800390469)

Discover a new traditional Japanese color daily by mixing pigments. Dye a monthly creature with your creations and track your progress. Enjoy a mindful, offline experience with optional Pro features for expanded creativity.

**Highlights:** Daily traditional Japanese color discovery, Pigment mixing for custom colors, Dye a monthly creature with your colors, Offline daily ritual, Mindful color mixing in Zen mode, Color journal and results tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Materials Box Yearly | $9.99 | per year |
| Materials Box Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is 糖質メモカレンダー free?

糖質メモカレンダー is free to download, with in-app purchases available.

### Is Hitoiro free?

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

### Do 糖質メモカレンダー or Hitoiro have ads?

糖質メモカレンダー shows ads; Hitoiro does not.

### Which is updated more often, 糖質メモカレンダー or Hitoiro?

糖質メモカレンダー ships an update every 4 days, and Hitoiro every 4 days. Most recently, 糖質メモカレンダー was updated on November 5, 2026 and Hitoiro on October 31, 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.*