# eTools MRC vs Robosen Grimlock G1

The clearest difference is price: Robosen Grimlock G1 at Free against eTools MRC's $0.99. Robosen Grimlock G1 also leads on update cadence (every 3 weeks vs every 39 months) and iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Robosen Grimlock G1 is free to download; eTools MRC costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

eTools MRC ships an update every 39 months, Robosen Grimlock G1 every 3 weeks. The most recent releases landed on September 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | eTools MRC | Robosen Grimlock G1 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.8 (5 ratings)](https://appshunter.io/ios/app/robosen-grimlock-g1/id6447774819/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 4 MB | 234 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Park Billing Company, Inc.](https://appshunter.io/developer/631647446) | [Robosen Robotics (ShenZhen) Co., Ltd.](https://appshunter.io/developer/1459364206) |

## What reviewers say

### eTools MRC

[App page](https://appshunter.io/ios/app/etools-mrc/id631647443)

**Features:** macOS Compatibility

**In-app purchases:** none


### Robosen Grimlock G1

[App page](https://appshunter.io/ios/app/robosen-grimlock-g1/id6447774819)

Control and customize a flagship robot with Bluetooth. Create unique actions, explore an action library, and immerse yourself in robot dramas with this exclusive companion app.

**Highlights:** Bluetooth control, Custom programming, Action library, Mini theater mode, Robot-to-dragon transformation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eTools MRC free?

eTools MRC costs $0.99, with no in-app purchases.

### Is Robosen Grimlock G1 free?

Robosen Grimlock G1 is free to download, with no in-app purchases.

### Do eTools MRC or Robosen Grimlock G1 have ads?

Neither eTools MRC nor Robosen Grimlock G1 shows ads.

### Which is updated more often, eTools MRC or Robosen Grimlock G1?

eTools MRC ships an update every 39 months, and Robosen Grimlock G1 every 3 weeks. Most recently, eTools MRC was updated on September 29, 2026 and Robosen Grimlock G1 on October 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.*