Comparison

Klangkraft Sidekick vs eighty32 Toolbox

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

Head to head
About

Klangkraft Sidekick

Features
Read full description

Sidekick is the mobile companion app for Klangkraft Tools. Built for live sound engineers who do not want to open a laptop in the middle of a show. Sidekick gives you the exact information and tools you need on your iPhone — accessible with one hand in under 10 seconds. All important data is synced directly from your current job and stored locally on the device. That means everything stays available anytime — even without Wi-Fi, internet access or your own server infrastructure. FEATURES PATCH LISTS Keep the current patch list of your job always within reach. Available offline for quick notes and changes directly on stage. STAGE PLOTS Display stage plots directly on your iPhone and quickly show them to musicians, technicians or venue staff. TECH RIDERS Access all technical requirements instantly for conversations with venues and local crews. RF FREQUENCY LISTS Keep track of your wireless setup. See which microphone is connected to which receiver at any time. TOOLS FOR EVERYDAY LIVE AUDIO • Delay calculator with temperature compensation • Ohm calculator • Reference tone generator (A440 / A442) • Sound meter for quick SPL checks SHARE DOCUMENTS Send documents directly from your current job via Mail or AirDrop. ICLOUD SYNC Sidekick uses iCloud for seamless synchronization between Mac, iPad and iPhone. Everything you create in Klangkraft automatically appears on your devices — without setup, backend servers or additional costs. BUILT FOR LIVE No bloated production software on the go. No endless menus. No searching during line check. Just the things you actually need. Fast. Direct. Offline.

About

eighty32 Toolbox

This comprehensive suite offers essential tools for AV, RF, and live-production technicians. It includes calculators for delay, dB math, and Ohm's law, alongside RF analysis, audio metering, and a reference library of equipment specifications. An optional one-time unlock provides advanced features.

Highlights
  • Delay time and speaker alignment calculators
  • dB math and scale conversion
  • Ohm's law and speaker load calculations
  • RF intermodulation and spacing analysis
  • Frequency coordination engine
  • Audio meters (RTA, FFT, Loudness, SPL)
  • Equipment reference library (speakers, mics, connectors)
Features
Read full description

eighty32 Toolbox is the field reference and measurement suite built for AV, RF, and live-production technicians — everything you reach for on a show day, in one fast, offline app. 30+ tools, 800+ gear specs, iPhone and iPad. RF COORDINATION - Generate clean, intermod-safe frequency sets for any wireless system, with manufacturer band presets (Shure, Sennheiser, Lectrosonics, Sony, Audio-Technica, Wisycom) - Offline TV-channel lookup: type a US ZIP code and see every licensed TV station within your radius, sorted by distance, with callsign, city and power class. Built from the FCC licensing database, works with no signal backstage - Automatic exclusion of channel 37 and the 600 MHz mobile block, warnings for high-power stations just outside your radius - Scan-CSV import with a threshold slider, and a band map showing TV blocks, scan hits and your generated carriers together - Save shows: reopen a venue's coordination next time, duplicate it for a second stage, export as PDF, text or CSV - Intermod & spacing analysis, coax / antenna cable dB-loss calculator, SMPTE LTC generator & reader GEAR DIRECTORIES - 420+ loudspeakers and 380+ microphones: max SPL, frequency range, dispersion, weight, power, connectors, rigging, sensitivity, polar pattern - Filter by type, form factor (handheld, capsule, lav, headset, shotgun), polar pattern and brand. Sort by SPL, low end or weight. Star favorites. Compare up to three side by side - Capsules, lavs and headsets show which wireless transmitters they fit, one tap into that system's bands and the coordinator - Wireless bands & blocks, SFP transceiver reference, connector pinouts (XLR, speakON, DMX, DB25 and more), resistor / fiber (TIA-598) / AC mains color codes - Catalogs update over the air, no App Store update needed AUDIO METERS & TOOLS (best with a 2-channel interface) - RTA + dual-FFT transfer function with coherence - Loudness meter (EBU R128 / LUFS) - SPL meter, phase/polarity & phase-correlation meters - Delay finder (reference vs. mic) - Signal generator (sine/pink/white/sweep) - Input-level tester and 4-wire com test - QLab-style playback / cue tab with fades, loop & ducking CALCULATORS - Delay time (distance to ms), speaker & sub alignment (end-fire / cardioid) - dB math: SPL over distance, level summing, V/W, plus a full dB scale converter (dBu/dBV/dBFS, dBA/dBC) - Ohm's law & speaker loads, power/current draw and breaker sizing - Timecode & frame-rate math, frequency to wavelength - OSHA/NIOSH noise-dose exposure timer - Pick feet/pounds or meters/kilograms and F/C once; every tool follows Pin your go-to tools to the top of the home screen and search tools and gear from one box. eighty32 Toolbox is free to use. A one-time Pro unlock adds RF coordination, the audio meters, and the full directories. No subscription, yours forever. Built by working RF coordinators and A2s at eighty32 Show Tech, Las Vegas.

Screenshots

Klangkraft Sidekick4 screens
eighty32 Toolbox4 screens

Verdict

The call

The clearest difference is in-app purchases: Klangkraft Sidekick at none against eighty32 Toolbox's 1. eighty32 Toolbox's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads 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. eighty32 Toolbox sells 1 one-off in-app purchase. Klangkraft Sidekick asks for nothing beyond the download.

UpkeepUpdate frequency

Klangkraft Sidekick ships an update every 2 months, eighty32 Toolbox every 3 months. Both last shipped on October 31, 2026.

Scorecard2 real differences · 7 level
Klangkraft Sidekick versus eighty32 Toolbox: the parameters behind the verdict, then further details
ParameterKlangkraft Sidekickeighty32 Toolbox
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad — better
Requires iOS26.017.0 — better
Further details — not scored
Size4 MB4 MB
Age rating4+4+
DeveloperTorge JorisChris DeBrizzio

In-app purchases

None

Klangkraft Sidekick

No in-app purchases

1 purchases

eighty32 Toolbox

One-time1
  • Toolbox Pro$9.99

Questions

Is Klangkraft Sidekick free?
Klangkraft Sidekick is free to download, with no in-app purchases.
Is eighty32 Toolbox free?
eighty32 Toolbox is free to download, with in-app purchases available.
Do Klangkraft Sidekick or eighty32 Toolbox have ads?
Neither Klangkraft Sidekick nor eighty32 Toolbox shows ads.
Which is updated more often, Klangkraft Sidekick or eighty32 Toolbox?
Klangkraft Sidekick ships an update every 2 months, and eighty32 Toolbox every 3 months. Most recently, Klangkraft Sidekick was updated on October 31, 2026 and eighty32 Toolbox on October 31, 2026.

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