# 短歌アプリ『57577』 vs ＋Syncro

The clearest difference is in-app purchases: ＋Syncro at none against 短歌アプリ『57577』's 4. ＋Syncro also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). 短歌アプリ『57577』's advantage is update cadence (every 2 weeks vs every 4 weeks). On price and device support there is nothing between them.

Both are free to download. 短歌アプリ『57577』 sells 4 in-app purchases, starting at $1.99 per month. ＋Syncro asks for nothing beyond the download.

短歌アプリ『57577』 ships an update every 2 weeks, ＋Syncro every 4 weeks. The most recent releases landed on September 26, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 短歌アプリ『57577』 | ＋Syncro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 156 MB | 54 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Tomonori Suzuki](https://appshunter.io/developer/1656484998) | [TETSUTARO YASUDA](https://appshunter.io/developer/1834295775) |

## What reviewers say

### 短歌アプリ『57577』

[App page](https://appshunter.io/ios/app/57577-sns/id6444730076)

This app is a dedicated notebook and social network for tanka poetry. It allows for easy creation, editing, and sharing of tanka, with features for generating vertical text images and organizing your work. Connect with other tanka enthusiasts in a dedicated community.

**Highlights:** Easy tanka creation and editing, Dedicated tanka social network, Vertical text image generation, Customizable fonts and colors, Organize tanka with labels, Share to external platforms like X

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Liteプラン | $1.99 | per month |
| 57577+（月額プラン） | $2.99 | per month |
| Liteプラン | $22.99 | per year |
| 57577+（年間プラン） | $29.99 | per year |


### ＋Syncro

[App page](https://appshunter.io/ios/app/syncro/id6751253639)

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

**In-app purchases:** none


## Frequently asked questions

### Is 短歌アプリ『57577』 free?

短歌アプリ『57577』 is free to download, with in-app purchases available.

### Is ＋Syncro free?

＋Syncro is free to download, with no in-app purchases.

### Do 短歌アプリ『57577』 or ＋Syncro have ads?

短歌アプリ『57577』 shows ads; ＋Syncro does not.

### Which is updated more often, 短歌アプリ『57577』 or ＋Syncro?

短歌アプリ『57577』 ships an update every 2 weeks, and ＋Syncro every 4 weeks. Most recently, 短歌アプリ『57577』 was updated on September 26, 2026 and ＋Syncro on September 22, 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.*