Comparison

Chargemetrix vs RDWelder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Asset Monitoring

About

Chargemetrix

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Chargemetrix is the go to application for monitoring your batteries anywhere in the world! Using our chargemetrix hardware to send monitoring data via 4G, it allows you to set notifications and track the status of all systems.

About

RDWelder

Features

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APP name: RDWelder APP specific use: Laser Welding Assistant is an APP that assists users in laser welding processing. The mobile APP is directly connected to the processing equipment to achieve wireless communication, providing users with portable operations and solving the spatial distance problem between the handheld gun head and the equipment; supporting remote assistance, manufacturers or users can remotely view the equipment status, grasp the equipment operation status in real time, and provide remote maintenance services; rich technical center resources, including product introduction instructions, product manuals, product usage tutorials, product maintenance tutorials, etc.

Screenshots

Chargemetrix4 screens

RDWelder4 screens

Verdict

The call

The clearest difference is update cadence: Chargemetrix at every 5 days against RDWelder's every 6 weeks. RDWelder's advantage is iOS requirement (13 vs 15). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Chargemetrix ships an update every 5 days, RDWelder every 6 weeks. The most recent releases landed on September 20, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 4 level

Chargemetrix versus RDWelder: the parameters behind the verdict, then further details
Parameter	Chargemetrix	RDWelder
Price	Free	Free
Update frequency	Every 5 days — better	Every 6 weeks
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15	13 — better
Further details — not scored
Size	24 MB	133 MB
Age rating	4+	17+
Developer	Metrix Advanced Technologies	深圳市睿达科技有限公司

In-app purchases

None

Chargemetrix

No in-app purchases

None

RDWelder

No in-app purchases

Questions

Is Chargemetrix free?

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

Is RDWelder free?

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

Do Chargemetrix or RDWelder have ads?

Neither Chargemetrix nor RDWelder shows ads.

Which is updated more often, Chargemetrix or RDWelder?

Chargemetrix ships an update every 5 days, and RDWelder every 6 weeks. Most recently, Chargemetrix was updated on September 20, 2026 and RDWelder on September 30, 2026.