Comparison

Cuprum Charging vs e

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

Head to head

Cuprum Charging

Monitor your Cuprum Charger

About

Cuprum Charging

Features

Read full description

Monitor your charging data with ease! This app allows you to track key metrics from your charger, adjust amperage settings, and enable or disable ground protection for a customized charging experience.

About

e

Features

Read full description

e-Mark is a mobile application that allows users to verify the authenticity of marked products by scanning their Data Matrix codes and viewing the information available in the system for the selected product. With e-Mark, you can: - Quickly and easily scan Data Matrix codes - Verify the authenticity and status of marked products - View detailed product information - Access manufacturer and importer information - Make more informed purchasing decisions e-Mark helps you access important product information exactly when you need it most - while making your purchasing decisions.

Screenshots

Cuprum Charging3 screens

e4 screens

Verdict

The call

The clearest difference is update cadence: e at every 4 weeks against Cuprum Charging's every 8 months. e also leads on iOS requirement (15.0 vs 17.0). 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

Cuprum Charging ships an update every 8 months, e every 4 weeks. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

Scorecard2 real differences · 4 level

Cuprum Charging versus e: the parameters behind the verdict, then further details
Parameter	Cuprum Charging	e
Price	Free	Free
Update frequency	Every 8 months	Every 4 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone, iPod — better
Requires iOS	17.0	15.0 — better
Further details — not scored
Size	14 MB	67 MB
Age rating	4+	17+
Developer	Cuprum Charging USA Inc.	Center for Research in Perspective Technologies - Armenia LLC

In-app purchases

None

Cuprum Charging

No in-app purchases

None

e

No in-app purchases

Questions

Is Cuprum Charging free?

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

Is e free?

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

Do Cuprum Charging or e have ads?

Neither Cuprum Charging nor e shows ads.

Which is updated more often, Cuprum Charging or e?

Cuprum Charging ships an update every 8 months, and e every 4 weeks. Most recently, Cuprum Charging was updated on November 8, 2026 and e on November 9, 2026.