Ohms Law vs TuneIT Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Calculate Voltage
- Calculate Current
- Calculate Resistance
- Calculate Power
- Input two values to find others
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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/
TuneIT Viewer
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Ohms Law | TuneIT Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (7 ratings) — better | — |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 16 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 12 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Pro Certs Software Ltd | 1BIGRIG Ltd |
In-app purchases
Ohms Law
No in-app purchases
TuneIT Viewer
No in-app purchases









