# JM2 SatControl vs Checkd

The clearest difference is update cadence: Checkd at monthly against JM2 SatControl's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.

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

JM2 SatControl ships an update every 15 months, Checkd monthly. Both last shipped on September 24, 2026.

## The numbers

| Metric | JM2 SatControl | Checkd |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Size | 22 MB | 38 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ADVANCED SERVICES JM2 S.L](https://appshunter.io/developer/1004460162) | [Dario Realpe](https://appshunter.io/developer/1860073044) |

## What reviewers say

### JM2 SatControl

[App page](https://appshunter.io/ios/app/jm2-satcontrol/id1466392063)

**In-app purchases:** none


### Checkd

[App page](https://appshunter.io/ios/app/checkd/id6756325733)

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

**In-app purchases:** none


## Frequently asked questions

### Is JM2 SatControl free?

JM2 SatControl is free to download, with no in-app purchases.

### Is Checkd free?

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

### Do JM2 SatControl or Checkd have ads?

Neither JM2 SatControl nor Checkd shows ads.

### Which is updated more often, JM2 SatControl or Checkd?

JM2 SatControl ships an update every 15 months, and Checkd monthly. Most recently, JM2 SatControl was updated on September 24, 2026 and Checkd on September 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.*