Comparison

RC Circuit Pro vs PID Command & Ctrl

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

Head to head
About

RC Circuit Pro

Calculate RC charging and filter circuits with ease. This tool helps hobbyists and engineers determine time constants, component values, and cutoff frequencies. Save and export your circuit data for further analysis.

Highlights
  • Calculate time constant
  • Find component values (R, C)
  • Determine voltage at time t
  • Calculate cutoff frequency
  • Save data to CSV
  • Export data via AirDrop/iCloud Drive
Read full description

This app is used to calculate the RC charging and RC filter circuit. It is suitable for hobbyist or electronic engineer. Features * Calculate time constant from R, C * Find component value R,C from time constant * Get voltage at time t in RC charging / discharging * Calculate cutoff frequency by R, C * Find component value R,C from cutoff frequency * Save data to CSV files * Upload CSV via AirDrop / iCloud Drive * Support English, German, French, Italian, Spanish, Portuguese, Japanese, Traditional Chinese, Simplified Chinese

About

PID Command & Ctrl

This utility app enables simple and intuitive control, configuration, and testing of AG Neovo Public Information Displays on your network. It also facilitates the rapid creation of video walls without requiring third-party hardware.

Highlights
  • Remote display management
  • OSD settings control
  • Wi-Fi or LAN connectivity
  • Create up to 5x5 video walls
  • Quick video wall configuration
  • Supports specific AG Neovo display models
Features
Read full description

PID Command & Ctrl allows users to control, configure and test AG Neovo Public Information Displays located in the same network simply and intuitively. It also can be used to create video walls within minutes and assist system integrators with setting up displays. Display Control Provides a simple and intuitive interface for remote management, OSD-related settings, and easy control on deployed displays through Wi-Fi or LAN. Setup and maintain large-scale digital signage installations remotely and securely. UniWall The native UniWall feature allows AG Neovo displays to create up to 5x5 video walls without third-party equipment. With PID Command & Ctrl you can easily and quickly configure a video wall within 5 minutes, simply set the number of rows and columns and assign the correct position to each display. This application is compatible only with AG Neovo Displays. The following models are supported: PN-Series, PD-Series, PM-Series, QX-Series, QD-Series, QM-Series, VW-Series, and RX-Series (RX-32E, RX-42E, RX-55E only).

Screenshots

RC Circuit Pro4 screens
PID Command & Ctrl4 screens

Verdict

The call

The clearest difference is price: PID Command & Ctrl at Free against RC Circuit Pro's $0.99. RC Circuit Pro's advantage is update cadence (every 4 months vs every 19 months) and iOS requirement (9.0 vs 13.0). On review sentiment, 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

PID Command & Ctrl is free to download; RC Circuit Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RC Circuit Pro ships an update every 4 months, PID Command & Ctrl every 19 months. The most recent releases landed on October 5, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
RC Circuit Pro versus PID Command & Ctrl: the parameters behind the verdict, then further details
ParameterRC Circuit ProPID Command & Ctrl
Price$0.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 4 months — betterEvery 19 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size17 MB2 MB
Age rating4+4+
DeveloperSiu Yuen HoAssociated Industries China, Inc.

Customer experience

RC Circuit Pro

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PID Command & Ctrl

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

RC Circuit Pro

No in-app purchases

None

PID Command & Ctrl

No in-app purchases

Questions

Is RC Circuit Pro free?
RC Circuit Pro costs $0.99, with no in-app purchases.
Is PID Command & Ctrl free?
PID Command & Ctrl is free to download, with no in-app purchases.
Do RC Circuit Pro or PID Command & Ctrl have ads?
Neither RC Circuit Pro nor PID Command & Ctrl shows ads.
Which is updated more often, RC Circuit Pro or PID Command & Ctrl?
RC Circuit Pro ships an update every 4 months, and PID Command & Ctrl every 19 months. Most recently, RC Circuit Pro was updated on October 5, 2026 and PID Command & Ctrl on September 23, 2026.

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