# OTOSHI vs かんたん固定費計算

The clearest difference is review sentiment: かんたん固定費計算 at 75% against OTOSHI's 0%. かんたん固定費計算 also leads on update cadence (every 3 months vs every 9 months). OTOSHI's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. OTOSHI sells 1 one-off in-app purchase and かんたん固定費計算 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OTOSHI ships an update every 9 months, かんたん固定費計算 every 3 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | OTOSHI | かんたん固定費計算 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 16 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [Daiki Tsukuda](https://appshunter.io/developer/1505893655) |

## What reviewers say

### OTOSHI

[App page](https://appshunter.io/ios/app/otoshi-dama/id1508864141)

Easily manage your annual gift money. Input birthdays to automatically calculate amounts owed to children and relatives each year. Track who has received their gift to avoid forgetting.

**Highlights:** Automatic calculation of gift money amounts, Birthday input for recipients, Track gift giving status, Group members by family, Customizable price settings by age/grade, Unlimited member support with Plus version

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OTOSHI-DAMA Plus | $3.99 | one-time |


### かんたん固定費計算

[App page](https://appshunter.io/ios/app/id1536249059)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $3.99 | one-time |


## Frequently asked questions

### Is OTOSHI free?

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

### Is かんたん固定費計算 free?

かんたん固定費計算 is free to download, with in-app purchases available.

### Do OTOSHI or かんたん固定費計算 have ads?

かんたん固定費計算 shows ads; OTOSHI does not.

### Which is updated more often, OTOSHI or かんたん固定費計算?

OTOSHI ships an update every 9 months, and かんたん固定費計算 every 3 months. Most recently, OTOSHI was updated on November 3, 2026 and かんたん固定費計算 on November 7, 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.*