Comparison

WI Smart vs PZ

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

Head to head
About

WI Smart

Features
Read full description

Wi Smart, smart life, smart living 1. Remote control: control home appliances from anywhere 2. Simultaneously control: control multiple devices with one App 3. Timer: set timer to perform multiple functions 4. Device sharing: One tap to share devices among family members 5. Easy connection: easily and quickly connect App to devices

About

PZ

This app allows for advanced, non-destructive audio modifications in cars using a 6-core DSP chip. It offers precise sound tuning, Bluetooth and USB music playback, and smartphone integration for personalized audio experiences.

Highlights
  • 6-core 32-bit DSP processing
  • DRC dynamic music processing
  • Bluetooth and USB music playback
  • Smartphone sound customization
  • 31-band EQ tuning
  • Adjustable sound field delay
  • Lossless installation
Features
Read full description

This product is non-destructive audio car modification of new products,exclusive use of 6-core 32-bit DSP processing Chip,nanosecond processing speed; DRC dynamic music processing; using DSP computer tuning technology. Possess a large-capacity filter capacitor. Lossless installation,easy tuning,take up a small space. Maximum power output 6×150 W; Large-capacity filter capacitor; 4CH high level/low level input and 6CH high level output 6X150W/8CH RCA output Support remote controller(optional)/Wire harness for over 300 different cars. Support Bluetooth play. USB play lossless music. Pair your smartphone with the DSP box and tailor the sound to your personal preference. Frequency response:20Hz-20KHz. Crossover with Variable Frequency (6/12/18/24/36/48 dB oct). Adjustable sound field delay to achieve spatial editing. All eight channels with 31 Band floating piont tuning/seperate time. Built-in 31-segment adjustable EQ—31 band EQ floating-point high precision tuning system Visually adjust the Frequency, Gain, and Q value of each channel. noise gate control Built in ADEP (Advanced Diagnostics Error Protection), APP inside music play (New function,you can play your phone music inside sound tuning app directly) Augmented Bass control,you can control subwoofer volume without use wired remote.Please make sure subwoofer channel set properly.

Screenshots

WI Smart4 screens
PZ4 screens

Verdict

The call

The clearest difference is update cadence: PZ at every 8 days against WI Smart's every 10 months. PZ also leads on iOS requirement (9.0 vs 13.0). 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

WI Smart ships an update every 10 months, PZ every 8 days. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 8 level
WI Smart versus PZ: the parameters behind the verdict, then further details
ParameterWI SmartPZ
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—28.6% of reviews
Number of ratings—1 — better
Update frequencyEvery 10 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size202 MB2 MB
Age rating12+4+
DeveloperHangzhou WISTAR Mechanical & Electric Technology Co., Ltd.huizhou shangshui technology co.,ltd

In-app purchases

None

WI Smart

No in-app purchases

None

PZ

No in-app purchases

Questions

Is WI Smart free?
WI Smart is free to download, with no in-app purchases.
Is PZ free?
PZ is free to download, with no in-app purchases.
Do WI Smart or PZ have ads?
Neither WI Smart nor PZ shows ads.
Which is updated more often, WI Smart or PZ?
WI Smart ships an update every 10 months, and PZ every 8 days. Most recently, WI Smart was updated on November 7, 2026 and PZ on November 4, 2026.

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