# MSJ Agent vs WhaleSpy

The clearest difference is device support: MSJ Agent at 3 against WhaleSpy's 1. MSJ Agent also leads on iOS requirement (15.1 vs 17.6). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | MSJ Agent | WhaleSpy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 25 MB | 5 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MSJ BUREAU DE CHANGE LTD](https://appshunter.io/developer/1789064872) | [Soon Chan Hwang](https://appshunter.io/developer/1874249132) |

## What reviewers say

### MSJ Agent

[App page](https://appshunter.io/ios/app/msj-agent/id6744180762)

**Features:** macOS Compatibility

**In-app purchases:** none


### WhaleSpy

[App page](https://appshunter.io/ios/app/whalespy/id6758661753)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MSJ Agent free?

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

### Is WhaleSpy free?

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

### Do MSJ Agent or WhaleSpy have ads?

Neither MSJ Agent nor WhaleSpy 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.*