# SignalSim vs Robodrill Recertification

The clearest difference is iOS requirement: Robodrill Recertification at 13.0 against SignalSim's 15.0. 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.

## The numbers

| Metric | SignalSim | Robodrill Recertification |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 6 MB | 50 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Koordinauten](https://appshunter.io/developer/542402216) | [FANUC America Corporation](https://appshunter.io/developer/1494232034) |

## What reviewers say

### SignalSim

[App page](https://appshunter.io/ios/app/signalsim/id1621835250)

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

**In-app purchases:** none


### Robodrill Recertification

[App page](https://appshunter.io/ios/app/robodrill-recertification/id6449467691)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SignalSim free?

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

### Is Robodrill Recertification free?

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

### Do SignalSim or Robodrill Recertification have ads?

Neither SignalSim nor Robodrill Recertification 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.*