# rotronic vs Contractors @ SG

The clearest difference is ads: rotronic at none against Contractors @ SG's shown. rotronic also leads on iOS requirement (8.1 vs 12.0). On price, update cadence, 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.

rotronic ships an update monthly, Contractors @ SG every 5 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | rotronic | Contractors @ SG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 5 MB | 42 MB |
| Requires iOS | **8.1** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rotronic AG](https://appshunter.io/developer/1057939250) | [Novanet Solutions](https://appshunter.io/developer/1482778283) |

## What reviewers say

### rotronic

[App page](https://appshunter.io/ios/app/rotronic/id1057939251)

**Features:** macOS Compatibility

**In-app purchases:** none


### Contractors @ SG

[App page](https://appshunter.io/ios/app/contractors-sg/id1532876460)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is rotronic free?

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

### Is Contractors @ SG free?

Contractors @ SG is free to download, with no in-app purchases.

### Do rotronic or Contractors @ SG have ads?

Contractors @ SG shows ads; rotronic does not.

### Which is updated more often, rotronic or Contractors @ SG?

rotronic ships an update monthly, and Contractors @ SG every 5 weeks. Most recently, rotronic was updated on October 8, 2026 and Contractors @ SG on October 12, 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.*