# JonGrow vs 诊迹

The clearest difference is in-app purchases: JonGrow at none against 诊迹's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 诊迹 sells 3 in-app purchases, starting at $0.99 per month. JonGrow asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | JonGrow | 诊迹 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 11 MB | 28 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [PuffinStudio](https://appshunter.io/developer/1768487904) | [欢 刘](https://appshunter.io/developer/1892614343) |

## What reviewers say

### JonGrow

[App page](https://appshunter.io/ios/app/jongrow/id6761350534)

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

**In-app purchases:** none


### 诊迹

[App page](https://appshunter.io/ios/app/id6774402123)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 诊迹 Pro 月订阅 | $0.99 | per month |
| 诊迹 Pro 年订阅 | $6.99 | per year |
| 诊迹 Pro 终身会员 | $14.99 | one-time |


## Frequently asked questions

### Is JonGrow free?

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

### Is 诊迹 free?

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

### Do JonGrow or 诊迹 have ads?

Neither JonGrow nor 诊迹 shows ads.

### Which is updated more often, JonGrow or 诊迹?

JonGrow ships an update fortnightly, and 诊迹 fortnightly. Most recently, JonGrow was updated on October 12, 2026 and 诊迹 on October 7, 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.*