Comparison

Ohms Law vs TuneIT Viewer

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

Head to head
About

Ohms Law

This utility app calculates voltage, current, resistance, and power using Ohm's Law. Simply input any two values, and the app will compute the remaining two, providing a comprehensive tool for electrical calculations.

Highlights
  • Calculate Voltage
  • Calculate Current
  • Calculate Resistance
  • Calculate Power
  • Input two values to find others
Features
Read full description

Ohms Law calculator for calculating power, current, resistance and voltage. Ohms Law Calculator Features: - Calculate Voltage (volts) - Calculate Current (amps) - Calculate Resistance (ohms) - Calculate Power (watts) Input any two values to calculate the other two. Ohms Law Formula: V = Voltage I = Current R = Resistance P = Power V / IxR (or P) An advanced Ohms Law calculator to calculate Voltage, Current, Resistance & Power. How to use: 1) Enter any two values to calculate the other two. 2) Tap calculate. A Voltage Calculator, Current, Resistance, Power calculator all in one app. Check out our collection of electrical apps for iPhone and iPad https://www.procertssoftware.com/apps/

About

TuneIT Viewer

Features
Read full description

TuneIT Viewer is a read-only mobile companion for TuneIT Desktop, built for show callers, playback operators, AV teams, stage managers, and production crew who need live playback visibility without control access. Connect over the same local network as TuneIT Desktop and keep key show information in view from an iPhone or iPad. Features include: Live now-playing status Current track, next track, playback progress, and standing-by state. Playlist visibility View show playlists, track order, durations, and active playback position. Active pad monitoring See currently active pads and remaining pad time during live show operation. Output meters Monitor output levels, stereo meters, mute state, peak level, and clipping indicators. Caller desk tools Keep a current clock, stopwatch, and show notes in the same production-focused view. Customisable layout Show, hide, reorder, and compact panels so the dashboard fits the way your crew works. Local network connection TuneIT Viewer connects directly to TuneIT Desktop using a local Wi-Fi or production network WebSocket connection. Read-only by design The app is made for visibility, not control. Crew can monitor show playback without triggering cues or changing the desktop session. TuneIT Viewer is intended for use with TuneIT Desktop from BIG-RIG.CO.

Screenshots

Ohms Law4 screens
TuneIT Viewer3 screens

Verdict

The call

The clearest difference is ads: TuneIT Viewer at none against Ohms Law's shown. TuneIT Viewer also leads on update cadence (every 3 weeks vs every 16 months). On price, in-app purchases, device support and iOS requirement 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

Ohms Law ships an update every 16 months, TuneIT Viewer every 3 weeks. The most recent releases landed on October 23, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 8 level
Ohms Law versus TuneIT Viewer: the parameters behind the verdict, then further details
ParameterOhms LawTuneIT Viewer
PriceFreeFree
Rating4.3 (7 ratings) — better—
Positive reviews70.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 16 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size12 MB21 MB
Age rating4+4+
DeveloperPro Certs Software Ltd1BIGRIG Ltd

In-app purchases

None

Ohms Law

No in-app purchases

None

TuneIT Viewer

No in-app purchases

Questions

Is Ohms Law free?
Ohms Law is free to download, with no in-app purchases.
Is TuneIT Viewer free?
TuneIT Viewer is free to download, with no in-app purchases.
Do Ohms Law or TuneIT Viewer have ads?
Ohms Law shows ads; TuneIT Viewer does not.
Which is updated more often, Ohms Law or TuneIT Viewer?
Ohms Law ships an update every 16 months, and TuneIT Viewer every 3 weeks. Most recently, Ohms Law was updated on October 23, 2026 and TuneIT Viewer on September 17, 2026.

Other comparisons