GROB⁴Line vs Chmu Translate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GROB⁴Line
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GROB-NET⁴Industry uses web technology to create cross-plant transparency throughout the production process. The applications within GROB-NET⁴Industry modularly developed by GROB, network and digitalize production processes to facilitate paperless communication – for even greater productivity. Through the management of users and solutions, GROB4Portal is the safe entry to the digital world. GROB4Line allows a GROB machine to be connected to the Internet. Consequently, it can be monitored and controlled via a smartphone. Combined with the notification function which sends messages (e.g. machine shutdown, alarm messages or job finished) to defined smartphones, the machine operator concerned can respond immediately and minimize unnecessary downtimes. • Mobile, dynamic display of machine data • Information about status, alarm messages, tool and NC program at a glance • E-mail notification for machine shutdown • Definition of alarm messages for proactive e-mail notification • Mobile monitoring of unmanned and lightly-manned machine operation • Historical timeline diagram
Chmu Translate
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Quick Interaction: Customizes glasses touch or voice commands to quickly respond to your needs. Personal Space: Manages your glasses themes, display preferences, and account information. Multi-Glasses Connection: Easily connects and switches between your multiple smart glasses for a seamless experience.
Screenshots
Verdict
The clearest difference is update cadence: Chmu Translate at every 8 days against GROB⁴Line's every 2 months. GROB⁴Line's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GROB⁴Line ships an update every 2 months, Chmu Translate every 8 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | GROB⁴Line | Chmu Translate |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 16 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | GROB-WERKE GmbH & Co. KG | SyncSmart |
In-app purchases
GROB⁴Line
No in-app purchases
Chmu Translate
No in-app purchases









