Comparison

Caratec vs DÖRRPOWER

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

Head to head

Dorrpower

About

Caratec

Features

Read full description

This APP is only for CARATEC Lithium Battery which based on bluetooth 4.0 BLE technology 1.CARATEC is used for monitoring Lithium battery. 2. Measuring distance no more than 5m. 3. The APP only can connect one LiFePO4 battery every time. 4. This APP can monitoring voltage, current, temperature and cycle life, etc

About

DÖRRPOWER

Features

Read full description

Dorrpower APP realize to monitor battery status, real-time collecting the information in the storage and battery operation process, the status of battery packs will transfer to your smart mobilephone throguh bluetooth module. It lets you get live status of your single battery pack or Multiple Batteries in Series or Parallel at one time . It can show the SOC,Voltage ,Current Capacity ,Temperature,Time to full, Time to empty ,etc.

Screenshots

Caratec4 screens

DÖRRPOWER3 screens

Verdict

The call

The clearest difference is update cadence: DÖRRPOWER at fortnightly against Caratec's every 42 months. Caratec's advantage is iOS requirement (9.0 vs 14.0). 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

Caratec ships an update every 42 months, DÖRRPOWER fortnightly. Both last shipped on November 7, 2026.

Scorecard2 real differences · 4 level

Caratec versus DÖRRPOWER: the parameters behind the verdict, then further details
Parameter	Caratec	DÖRRPOWER
Price	Free	Free
Update frequency	Every 42 months	Fortnightly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	9.0 — better	14.0
Further details — not scored
Size	2 MB	18 MB
Age rating	4+	4+
Developer	宗辉姜	云峰徐

In-app purchases

None

Caratec

No in-app purchases

None

DÖRRPOWER

No in-app purchases

Questions

Is Caratec free?

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

Is DÖRRPOWER free?

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

Do Caratec or DÖRRPOWER have ads?

Neither Caratec nor DÖRRPOWER shows ads.

Which is updated more often, Caratec or DÖRRPOWER?

Caratec ships an update every 42 months, and DÖRRPOWER fortnightly. Most recently, Caratec was updated on November 7, 2026 and DÖRRPOWER on November 7, 2026.