# Vacmaster vs GemRed Instruments

The clearest difference is update cadence: GemRed Instruments at every 10 days against Vacmaster's every 2 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.

Vacmaster ships an update every 2 months, GemRed Instruments every 10 days. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Vacmaster | GemRed Instruments |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/vacmaster/id1463926213/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 191 MB | 34 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SUZHOU CLEVA ELECTRIC APPLIANCE CO.,LTD](https://appshunter.io/developer/1463926212) | [GemRed](https://appshunter.io/developer/1279222567) |

## What reviewers say

### Vacmaster

[App page](https://appshunter.io/ios/app/vacmaster/id1463926213)

Control your smart cleaning devices remotely. Monitor your robotic vacuum's status, view real-time cleaning maps, and schedule sessions. Access support resources and receive device updates.

**Highlights:** Remote device control, Real-time cleaning map, Schedule cleaning sessions, Initiate cleaning modes, Check device status, Access manuals and FAQs, Receive software updates

**In-app purchases:** none


### GemRed Instruments

[App page](https://appshunter.io/ios/app/gemred-instruments/id6754753413)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vacmaster free?

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

### Is GemRed Instruments free?

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

### Do Vacmaster or GemRed Instruments have ads?

Neither Vacmaster nor GemRed Instruments shows ads.

### Which is updated more often, Vacmaster or GemRed Instruments?

Vacmaster ships an update every 2 months, and GemRed Instruments every 10 days. Most recently, Vacmaster was updated on June 1, 2026 and GemRed Instruments on September 16, 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.*