# 侦探推理 vs Mailmind

The clearest difference is ads: Mailmind at none against 侦探推理's shown. Mailmind also leads on update cadence (every 2 days vs every 52 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

侦探推理 ships an update every 52 months, Mailmind every 2 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 侦探推理 | Mailmind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mailmind/id1549119125/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 52 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 18 MB | 490 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Yuanhao Information Technology Co., Ltd.](https://appshunter.io/developer/697767253) | [Chengdu DUYE Culture Communication Co., Ltd](https://appshunter.io/developer/1549119397) |

## What reviewers say

### 侦探推理

[App page](https://appshunter.io/ios/app/id904629372)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mailmind

[App page](https://appshunter.io/ios/app/mailmind/id1549119125)

A decentralized social media platform for sharing thoughts, culture, and art. It focuses on spiritual needs and intellectual discussion, offering a space for creative expression and the exploration of abstract concepts.

**Highlights:** Decentralized social media platform, Focus on spiritual needs and intellectual discussion, Artistic and academic content sharing, Video content for expressing thoughts, Community discussions on abstract concepts, Global community with shared values

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

**In-app purchases:** none


## Frequently asked questions

### Is 侦探推理 free?

侦探推理 is free to download, with no in-app purchases.

### Is Mailmind free?

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

### Do 侦探推理 or Mailmind have ads?

侦探推理 shows ads; Mailmind does not.

### Which is updated more often, 侦探推理 or Mailmind?

侦探推理 ships an update every 52 months, and Mailmind every 2 days. Most recently, 侦探推理 was updated on October 26, 2026 and Mailmind on October 24, 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.*