# 通話で繋がる KoeTomo（声とも）！通話アプリ vs SyncUp

The clearest difference is ads: SyncUp at none against 通話で繋がる KoeTomo（声とも）！通話アプリ's shown. SyncUp also leads on update cadence (every 3 days vs fortnightly) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 通話で繋がる KoeTomo（声とも）！通話アプリ sells 9 in-app purchases, starting at $2.99 per month and SyncUp sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

通話で繋がる KoeTomo（声とも）！通話アプリ ships an update fortnightly, SyncUp every 3 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 通話で繋がる KoeTomo（声とも）！通話アプリ | SyncUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (21 ratings)](https://appshunter.io/ios/app/koetomo/id940401053/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 31.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 141 MB | 44 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [MEETSCOM INC.](https://appshunter.io/developer/940401052) | [MINATO TOMISHIMA](https://appshunter.io/developer/1896599271) |

## What reviewers say

### 通話で繋がる KoeTomo（声とも）！通話アプリ

[App page](https://appshunter.io/ios/app/koetomo/id940401053)

Connect with people through voice calls and chats. Share your thoughts, join group discussions, or enjoy one-on-one conversations. Discover communities based on shared interests and express yourself through voice and image posts.

**Highlights:** Voice and image timeline posts, One-on-one voice calls, Group voice calls up to 20 people, Community creation and participation, Direct messaging, Virtual gifts and decorations, User reporting and blocking

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ベーシック | $2.99 | per month |
| 120コイン | $0.99 | one-time |
| 380コイン | $2.99 | one-time |
| 640コイン | $4.99 | one-time |
| 1440コイン | $9.99 | one-time |
| 4220コイン | $29.99 | one-time |
| 7600コイン | $59.99 | one-time |
| 12500コイン | $89.99 | one-time |
| 33200コイン | $229.99 | one-time |


### SyncUp

[App page](https://appshunter.io/ios/app/syncup/id6768722650)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SyncUp Premium | $5.99 | per month |
| SyncUp Premium | $59.99 | per year |


## Frequently asked questions

### Is 通話で繋がる KoeTomo（声とも）！通話アプリ free?

通話で繋がる KoeTomo（声とも）！通話アプリ is free to download, with in-app purchases available.

### Is SyncUp free?

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

### Do 通話で繋がる KoeTomo（声とも）！通話アプリ or SyncUp have ads?

通話で繋がる KoeTomo（声とも）！通話アプリ shows ads; SyncUp does not.

### Which is updated more often, 通話で繋がる KoeTomo（声とも）！通話アプリ or SyncUp?

通話で繋がる KoeTomo（声とも）！通話アプリ ships an update fortnightly, and SyncUp every 3 days. Most recently, 通話で繋がる KoeTomo（声とも）！通話アプリ was updated on October 24, 2026 and SyncUp 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.*