# 100 Amida vs わりかん

The clearest difference is in-app purchases: わりかん at none against 100 Amida's 3. わりかん also leads on update cadence (every 10 days vs every 2 months) and iOS requirement (16.6 vs 18.6). 100 Amida's advantage is review sentiment (70% vs 50%). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. 100 Amida sells 3 one-off in-app purchases. わりかん asks for nothing beyond the download.

100 Amida ships an update every 2 months, わりかん every 10 days. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 100 Amida | わりかん |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/100-amida/id1412525216/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **69.8% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 82 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [tomohiro nakano](https://appshunter.io/developer/1179284958) | [Katsuyuki Hayashi](https://appshunter.io/developer/1597263179) |

## What reviewers say

### 100 Amida

[App page](https://appshunter.io/ios/app/100-amida/id1412525216)

This app facilitates team division, role assignment, and decision-making through lottery creation. It supports up to 100 participants, allowing for customizable winner selection and result saving. Personalize entries with images and easily edit participants before or during the draw.

**Highlights:** Create winner/loser lotteries, Group division lotteries, Support for up to 100 people, Save and edit lotteries, Add/delete members, Set member images, Save lottery results

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Start | $2.99 | one-time |
| Ad Removal | $3.99 | one-time |
| User Image Width Setting | $3.99 | one-time |


### わりかん

[App page](https://appshunter.io/ios/app/id6450874121)

Easily calculate and manage group expenses for events like parties, trips, and shared living. Record who paid for what, and the app automatically figures out who owes whom. Offers flexible splitting options and clear settlement results.

**Highlights:** Automatic settlement calculation, Flexible splitting options, Add/remove members easily, Clear settlement results display, Share settlement results, Real-time collaborative editing (premium), Ad-free experience (premium)

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

**In-app purchases:** none


## Frequently asked questions

### Is 100 Amida free?

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

### Is わりかん free?

わりかん is free to download, with no in-app purchases.

### Do 100 Amida or わりかん have ads?

Both 100 Amida and わりかん show ads.

### Which is updated more often, 100 Amida or わりかん?

100 Amida ships an update every 2 months, and わりかん every 10 days. Most recently, 100 Amida was updated on October 16, 2026 and わりかん on October 9, 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.*