# V次元 vs CrazyThu

The clearest difference is in-app purchases: CrazyThu at none against V次元's 6. V次元's advantage is iOS requirement (15.0 vs 26.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. V次元 sells 6 one-off in-app purchases. CrazyThu asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for V次元 against 5.0 for CrazyThu. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

V次元 ships an update weekly, CrazyThu every 5 days. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | V次元 | CrazyThu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/v/id6742165027/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/crazythu/id6745966439/reviews) |
| Number of ratings | **6** | 3 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 181 MB | 14 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Xiamen Weiyuan Network Technology Co., Ltd(XM)](https://appshunter.io/developer/1791047533) | [Caine Technology](https://appshunter.io/developer/1882786743) |

## What reviewers say

### V次元

[App page](https://appshunter.io/ios/app/v/id6742165027)

A Chinese VOCALOID community for virtual singer Luo Tianyi fans. It offers a friendly space to discuss, create, and share original works, resources, and daily life with fellow enthusiasts.

**Highlights:** Virtual singer Luo Tianyi focus, Original work sharing, Resource sharing, Fan discussions, Community interaction

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 51V币 | $0.99 | one-time |
| 255V币 | $3.99 | one-time |
| 833V币 | $14.99 | one-time |
| 1683V币 | $29.99 | one-time |
| 2788V币 | $49.99 | one-time |
| 5508V币 | $99.99 | one-time |


### CrazyThu

[App page](https://appshunter.io/ios/app/crazythu/id6745966439)

An unofficial client for a private social network for Tsinghua University students and alumni. Access timelines, hot lists, and collections, with support for comments, images, and polls. Basic posting and commenting are also available.

**Highlights:** Timeline browsing, Hot list viewing, Collection access, Comment and image viewing, Poll support, Basic posting and commenting

**In-app purchases:** none


## Frequently asked questions

### Is V次元 free?

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

### Is CrazyThu free?

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

### Which has better reviews, V次元 or CrazyThu?

V次元 and CrazyThu are both rated 5.0 out of 5 on the App Store, from 6 and 3 ratings respectively.

### Do V次元 or CrazyThu have ads?

Neither V次元 nor CrazyThu shows ads.

### Which is updated more often, V次元 or CrazyThu?

V次元 ships an update weekly, and CrazyThu every 5 days. Most recently, V次元 was updated on October 1, 2026 and CrazyThu on October 11, 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.*