# Read Vertical vs 共时易

The clearest difference is in-app purchases: Read Vertical at none against 共时易's 2. Read Vertical also leads on update cadence (daily vs every 5 days) and iOS requirement (13.0 vs 18.0). 共时易's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 共时易 sells 2 one-off in-app purchases. Read Vertical asks for nothing beyond the download.

Read Vertical ships an update daily, 共时易 every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Read Vertical | 共时易 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Ad-supported | — |
| Size | 4 MB | 2 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HAOZHE XU](https://appshunter.io/developer/917655099) | [深圳市希可为软件有限公司](https://appshunter.io/developer/1821777990) |

## What reviewers say

### Read Vertical

[App page](https://appshunter.io/ios/app/read-vertical/id1641175147)

This app allows users to read vertical text in CJK languages. It offers features like adding text files, organizing books into groups, and customizing themes and text layout for a comfortable reading experience.

**Highlights:** Read vertical CJK text, Add text from phone or iCloud, Organize books into groups, Customizable ink-colored themes, Continuous or paged book style, Adjustable text size, Left-to-right or right-to-left layout

**Features:** macOS Compatibility

**In-app purchases:** none


### 共时易

[App page](https://appshunter.io/ios/app/id6754372340)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身会员-新年特惠 | $6.99 | one-time |
| 终身会员 | $14.99 | one-time |


## Frequently asked questions

### Is Read Vertical free?

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

### Is 共时易 free?

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

### Do Read Vertical or 共时易 have ads?

Read Vertical shows ads; 共时易 does not.

### Which is updated more often, Read Vertical or 共时易?

Read Vertical ships an update daily, and 共时易 every 5 days. Most recently, Read Vertical was updated on October 24, 2026 and 共时易 on October 25, 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.*