Comparison

PowerMeter vs ShoutScreen

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

Head to head
About

PowerMeter

Features
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1. Basic function page (welcome page/connection matching/technical support)        Welcome page: Once you enter the smart meter app page, you will automatically jump to the next page after the app is launched.        Connection pairing: APP guide the user to open the search for the Bluetooth device, and the search results are displayed in a list.        Technical support: Service users at any time, put customer service functions in the system interface to facilitate user assistance. 2. Communication parameter settings Different connection modes contain RS-485 or Ethernet can be set for different environments. Such as the baud rate, the same bit, the data bit, the stop bit, the IP address, the subnet mask, and the gateway address, Modbus TCP connection port, and other different parameters. 3. Phase line parameter setting Different parameter settings can be made for four wiring types such as 1P2W, 1P3W, 3P3W, and 3P4W. Each setting item needs to be adjusted according to the physical wiring system and C.T. serial connection mode, and should be paid attention to the correctness of the serial connection mode of each interface. 4. C.T. parameter setting The APP provide 333mV and 5A equalizer parameter settings and users can confirm whether the current matches the set value. 5. Other functions If necessary, users can also reset the hardware directly (all parameters are restored to factory settings).

About

ShoutScreen

Features
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ShoutScreen turns your words into a bold full-screen display. Use it when speaking out loud is inconvenient, when you need to show a message from a distance, when you want a photo check-in sign, or when you simply want your words to be seen clearly. Create a big text sign, or switch to scrolling marquee mode. Customize text size, colors, background colors, photo backgrounds, mirror text, and accidental-touch protection for a cleaner display experience. Great for airport pickups, events, concerts, check-ins, quiet places, classroom or meeting prompts, confessions, reminders, and everyday visual messages.

Screenshots

PowerMeter3 screens
ShoutScreen4 screens

Verdict

The call

The clearest difference is iOS requirement: PowerMeter at 13.0 against ShoutScreen's 16.0. On price, update cadence, ads and in-app purchases 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

PowerMeter ships an update every 2 months, ShoutScreen monthly. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 5 level
PowerMeter versus ShoutScreen: the parameters behind the verdict, then further details
ParameterPowerMeterShoutScreen
PriceFreeFree
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size1 MB6 MB
Age rating4+4+
DeveloperChicony power Technology Co.,Ltd.康 魏

In-app purchases

None

PowerMeter

No in-app purchases

None

ShoutScreen

No in-app purchases

Questions

Is PowerMeter free?
PowerMeter is free to download, with no in-app purchases.
Is ShoutScreen free?
ShoutScreen is free to download, with no in-app purchases.
Do PowerMeter or ShoutScreen have ads?
Neither PowerMeter nor ShoutScreen shows ads.
Which is updated more often, PowerMeter or ShoutScreen?
PowerMeter ships an update every 2 months, and ShoutScreen monthly. Most recently, PowerMeter was updated on October 16, 2026 and ShoutScreen on October 6, 2026.

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