# SO9 LAB vs Ask John

The clearest difference is in-app purchases: SO9 LAB at none against Ask John's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ask John sells 2 in-app purchases, starting at $6.99 per month. SO9 LAB asks for nothing beyond the download.

## The numbers

| Metric | SO9 LAB | Ask John |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 29 MB | 31 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [So9 Enterprise](https://appshunter.io/developer/1675461300) | [Dat Mai Xuan](https://appshunter.io/developer/1535791552) |

## What reviewers say

### SO9 LAB

[App page](https://appshunter.io/ios/app/so9-lab/id6446020644)

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

**In-app purchases:** none


### Ask John

[App page](https://appshunter.io/ios/app/ask-john/id6806636200)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ask John Pro - Tháng | $6.99 | per month |
| Ask John Pro - Năm | $69.99 | per year |


## Frequently asked questions

### Is SO9 LAB free?

SO9 LAB is free to download, with no in-app purchases.

### Is Ask John free?

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

### Do SO9 LAB or Ask John have ads?

Neither SO9 LAB nor Ask John shows ads.

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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.*