# atomo(アトモ) vs groupy(グルーピー)

The clearest difference is review sentiment: groupy(グルーピー) at 100% against atomo(アトモ)'s 60%. groupy(グルーピー) also leads on update cadence (every 4 days vs monthly). atomo(アトモ)'s advantage is iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. atomo(アトモ) sells 4 one-off in-app purchases and groupy(グルーピー) sells 5 in-app purchases, starting at $15.99 per month. Whichever you choose, the download price is not the number that matters.

atomo(アトモ) ships an update monthly, groupy(グルーピー) every 4 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | atomo(アトモ) | groupy(グルーピー) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 22 MB | 88 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Agali Inc.](https://appshunter.io/developer/1164858378) | [Groupy](https://appshunter.io/developer/1600914115) |

## What reviewers say

### atomo(アトモ)

[App page](https://appshunter.io/ios/app/atomo/id1226281617)

Find people to join your group for immediate fun, whether you're looking for new friends or planning your next activity. This app prioritizes current atmosphere over profiles, allowing groups to connect and merge for shared experiences.

**Highlights:** Find people to join now, Match based on current atmosphere, Group-to-group interaction, Daily reset of posts and chats, Video and photo profiles, Location-based matching

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| チャットロック解除 | $1.99 | one-time |
| プレミアム会員(1ヶ月) | $19.99 | one-time |
| プレミアム会員(3ヶ月) | $49.99 | one-time |
| プレミアム会員(6ヶ月) | $89.99 | one-time |


### groupy(グルーピー)

[App page](https://appshunter.io/ios/app/groupy/id1631351199)

This app connects groups of friends for casual dating experiences. Form a group, match with other groups, and get restaurant recommendations. Easily schedule meetups with integrated date and location voting.

**Highlights:** Group formation and matching, Restaurant recommendations, Date and location scheduling, Group chat functionality, Profile registration via LINE, Apple, Google, Friend invitation system

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ゴールド会員 | $15.99 | per month |
| プラチナム会員 | $20.99 | per month |
| カード10枚 | $7.99 | one-time |
| カード50枚 | $27.99 | one-time |
| カード100枚 | $48.99 | one-time |


## Frequently asked questions

### Is atomo(アトモ) free?

atomo(アトモ) is free to download, with in-app purchases available.

### Is groupy(グルーピー) free?

groupy(グルーピー) is free to download, with in-app purchases available.

### Do atomo(アトモ) or groupy(グルーピー) have ads?

Neither atomo(アトモ) nor groupy(グルーピー) shows ads.

### Which is updated more often, atomo(アトモ) or groupy(グルーピー)?

atomo(アトモ) ships an update monthly, and groupy(グルーピー) every 4 days. Most recently, atomo(アトモ) was updated on October 5, 2026 and groupy(グルーピー) on October 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.*