Comparison

KLS Electronic vs ProPi System Analyzer

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

Head to head
About

KLS Electronic

Features
Read full description

Used for monitoring and related control of Jinlisheng smart BMS battery power, voltage, current and other parameters

About

ProPi System Analyzer

Read full description

ProPi System Analyzer is a professional audio measurement and system alignment tool designed for sound engineers, technicians, and live sound professionals. ProPi helps you analyze and optimize sound systems directly on iPhone with real-time measurement tools for system tuning and acoustic analysis. Key features include: β€’ RTA and spectrum analysis β€’ Phase and magnitude measurement β€’ Impulse response analysis β€’ Group delay measurement β€’ SPL monitoring β€’ Delay and time alignment tools β€’ Sweep and pink-noise measurement β€’ Subwoofer system analysis and alignment β€’ Subwoofer array visualization β€’ Crossover and system tuning tools β€’ Professional audio measurement displays ProPi is designed for PA systems, live sound, speaker alignment, system commissioning, and acoustic troubleshooting. Whether you are aligning subwoofers with main speakers, checking phase relationships, analyzing frequency response, or tuning a complete sound system, ProPi provides the measurement tools needed for professional audio work.

Screenshots

KLS Electronic3 screens
ProPi System Analyzer4 screens

Verdict

The call

The clearest difference is price: KLS Electronic at Free against ProPi System Analyzer's $19.99. KLS Electronic also leads on iOS requirement (12.0 vs 17.0). ProPi System Analyzer's advantage is update cadence (every 5 days vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

KLS Electronic is free to download; ProPi System Analyzer costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

KLS Electronic ships an update every 3 months, ProPi System Analyzer every 5 days. The most recent releases landed on October 28, 2026 and November 3, 2026 respectively.

Scorecard3 real differences Β· 3 level
KLS Electronic versus ProPi System Analyzer: the parameters behind the verdict, then further details
ParameterKLS ElectronicProPi System Analyzer
PriceFree β€” better$19.99
Update frequencyEvery 3 monthsEvery 5 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPod β€” betteriPhone
Requires iOS12.0 β€” better17.0
Further details β€” not scored
Size36 MB59 MB
Age rating4+4+
DeveloperShenzhen Kinglisheng New Energy Technology Co., Ltd.Anh Viet Do

In-app purchases

None

KLS Electronic

No in-app purchases

None

ProPi System Analyzer

No in-app purchases

Questions

Is KLS Electronic free?
KLS Electronic is free to download, with no in-app purchases.
Is ProPi System Analyzer free?
ProPi System Analyzer costs $19.99, with no in-app purchases.
Do KLS Electronic or ProPi System Analyzer have ads?
Neither KLS Electronic nor ProPi System Analyzer shows ads.
Which is updated more often, KLS Electronic or ProPi System Analyzer?
KLS Electronic ships an update every 3 months, and ProPi System Analyzer every 5 days. Most recently, KLS Electronic was updated on October 28, 2026 and ProPi System Analyzer on November 3, 2026.

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