# 链存证 vs 月犬智汇

The clearest difference is in-app purchases: 链存证 at none against 月犬智汇's 3. 链存证 also leads on update cadence (every 2 months vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 月犬智汇 sells 3 one-off in-app purchases. 链存证 asks for nothing beyond the download.

链存证 ships an update every 2 months, 月犬智汇 every 14 months. The most recent releases landed on August 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 链存证 | 月犬智汇 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Size | 93 MB | 72 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [福建中科星泰数据科技有限公司](https://appshunter.io/developer/1594139079) | [畅想信息](https://appshunter.io/developer/1398138343) |

## What reviewers say

### 链存证

[App page](https://appshunter.io/ios/app/id1635891559)

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

**In-app purchases:** none


### 月犬智汇

[App page](https://appshunter.io/ios/app/id6448409140)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月VIP会员 | $3.99 | one-time |
| 1年VIP会员 | $19.99 | one-time |
| 3年VIP会员 | $39.99 | one-time |


## Frequently asked questions

### Is 链存证 free?

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

### Is 月犬智汇 free?

月犬智汇 is free to download, with in-app purchases available.

### Do 链存证 or 月犬智汇 have ads?

Neither 链存证 nor 月犬智汇 shows ads.

### Which is updated more often, 链存证 or 月犬智汇?

链存证 ships an update every 2 months, and 月犬智汇 every 14 months. Most recently, 链存证 was updated on August 26, 2026 and 月犬智汇 on September 18, 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.*