# 狗狗大全 vs ReadFlow

The clearest difference is in-app purchases: 狗狗大全 at none against ReadFlow's 2. ReadFlow's advantage is ads (none vs shown) and update cadence (every 2 months vs every 25 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ReadFlow sells 2 in-app purchases, starting at $2.99 per month. 狗狗大全 asks for nothing beyond the download.

狗狗大全 ships an update every 25 months, ReadFlow every 2 months. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | 狗狗大全 | ReadFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 25 months | **Every 2 months** |
| Size | 23 MB | 100 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Yuanhao Information Technology Co., Ltd.](https://appshunter.io/developer/697767253) | [Hasan Karli](https://appshunter.io/developer/1700265388) |

## What reviewers say

### 狗狗大全

[App page](https://appshunter.io/ios/app/id962322848)

**Features:** macOS Compatibility

**In-app purchases:** none


### ReadFlow

[App page](https://appshunter.io/ios/app/readflow-speed-reading/id6770712256)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium | $2.99 | per month |
| premium | $29.99 | per year |


## Frequently asked questions

### Is 狗狗大全 free?

狗狗大全 is free to download, with no in-app purchases.

### Is ReadFlow free?

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

### Do 狗狗大全 or ReadFlow have ads?

狗狗大全 shows ads; ReadFlow does not.

### Which is updated more often, 狗狗大全 or ReadFlow?

狗狗大全 ships an update every 25 months, and ReadFlow every 2 months. Most recently, 狗狗大全 was updated on October 14, 2026 and ReadFlow on October 23, 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.*