# 犬岛 vs Doppel

The clearest difference is in-app purchases: Doppel at none against 犬岛's 10. 犬岛's advantage is device support and iOS requirement (13.0 vs 15.1). On price there is nothing between them.

Both are free to download. 犬岛 sells 10 in-app purchases, starting at $2.99 per 7 days. Doppel asks for nothing beyond the download.

## The numbers

| Metric | 犬岛 | Doppel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (30 ratings)](https://appshunter.io/ios/app/id6450510581/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 143 MB | 48 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 17+ |
| Developer | [Shanghai Quandao Co., Ltd.](https://appshunter.io/developer/1370250847) | [Hainan Weili Digital Technology Co., Ltd](https://appshunter.io/developer/1872285061) |

## What reviewers say

### 犬岛

[App page](https://appshunter.io/ios/app/id6450510581)

This app is a life journaling tool that supports rich text formatting, multi-level tagging, and various organizational methods like calendars and timelines. It fosters a community for deep communication and self-expression, connecting users through shared thoughts and experiences. AI features assist in organizing content, tracking emotions, and matching users.

**Highlights:** Rich text formatting, Multi-level tagging, Calendar and timeline views, Public sharing of entries, AI-driven content organization, User matching based on inner qualities, Emotional tracking

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1周 | $2.99 | per 7 days |
| 1周 | $3.99 | per 7 days |
| 1周 | $4.99 | per 7 days |
| 1个月 | $7.99 | per month |
| 3个月 | $19.99 | per 3 months |
| 1个月 | $19.99 | per month |
| 6个月 | $24.99 | per 6 months |
| 1年 | $29.99 | per year |
| 3个月 | $29.99 | per 3 months |
| 6个月 | $49.99 | per 6 months |


### Doppel

[App page](https://appshunter.io/ios/app/doppel/id6758992033)

**In-app purchases:** none


## Frequently asked questions

### Is 犬岛 free?

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

### Is Doppel free?

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

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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.*