Comparison

H2O Audio PRO vs CircuitSense

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

Head to head
About

H2O Audio PRO

This utility app allows users to manage their H2O Audio devices. It provides functionality for updating device software and organizing music playlists.

Highlights
  • Manage H2O Audio Devices
  • Update device software
  • Manage PLAYLIST+ audio
Features
Read full description

Manage H2O Audio Devices, Update software, Manage PLAYLIST+ audio.

About

CircuitSense

This app automates complex electrical calculations for electricians, including conduit sizing, conductor ampacity, and voltage drop, based on the 2026 NEC. It provides detailed explanations for each result and organizes calculations by project for easy access and professional output sharing.

Highlights
  • Automated conduit and conductor sizing
  • Voltage drop and derating calculations
  • Box fill and pull box sizing
  • Load calculations for various building types
  • Fault current and transformer sizing
  • Conduit bending and panel phasing tools
  • Offline functionality
Features
Read full description

CircuitSense is the field calculator built for electricians who'd rather pull wire than dig through code books. Enter your circuits once and it sizes conduit, conductors, and grounds to the 2026 NEC — handling voltage drop, derating, and box fill automatically, with the math shown so you can trust every number. PLAN YOUR CONDUIT Build a complete run from a single input. CircuitSense balances circuits across conduits, picks the optimal raceway size, applies ambient and conductor-count derating, upsizes for voltage drop, and segments the run at every J-box / pull point. You get a full pull schedule with per-conduit fill percentages — before and after each box. EVERY NUMBER, EXPLAINED No black boxes. Each result shows the calculation steps, the NEC section behind it, and an upsize history so you can see exactly why a conductor went from #12 to #8. Perfect for inspections, plan review, or just double-checking your gut. A FULL NEC TOOLKIT Conductor sizing & voltage drop — ampacity, derating, and VD in one flow Conduit fill — by conductor count and type Box fill — NEC 314.16 volume by AWG and device Pull box sizing — 314.28 straight, angle/U, and splice Load calculations — dwellings, multi-family, and offices Fault current — available fault-current estimates Transformer sizing — kVA, amps, and OCPD suggestions Conduit bending — stub-90, offset, 3- and 4-point saddle Panel phasing — see circuit phases by slot (12/24/42) Construction calculator — feet/inches and tape-measure fractions Concrete & trench — slab, footing, trench/backfill, and duct bank ORGANIZED BY PROJECT Group runs under jobs, track which are complete, and reopen any run to tweak and recalculate. Your work is saved on-device and ready when you're back on site. SHARE PROFESSIONAL OUTPUT Export any run as a clean, detailed PDF — conduit schedule, fill, derating, and EGC sizing all included. Hand it to an inspector, a GC, or your own crew. BUILT FOR THE FIELD 2026 NEC referenced throughout Works offline — no signal required in the basement or the bucket Fast, single-input workflow designed for gloves and daylight Copper or aluminum, EMT and more Whether you're roughing in a panel, planning a duct bank, or checking voltage drop on a long run, CircuitSense does the code math so you can keep moving. Download CircuitSense and size it right the first time. — CircuitSense is a calculation aid for licensed electricians and qualified persons. Always verify results against the adopted code and your local authority having jurisdiction (AHJ). It does not replace engineered design or professional judgment. Terms of Use (EULA): https://circuitsense.app/terms-of-service Privacy Policy: https://circuitsense.app/privacy-policy

Screenshots

H2O Audio PRO3 screens
CircuitSense4 screens

Verdict

The call

The clearest difference is review sentiment: CircuitSense at 100% against H2O Audio PRO's 16%. CircuitSense also leads on rating (5.0 vs 1.8) and update cadence (every 3 days vs every 3 months). H2O Audio PRO's advantage is in-app purchases (none vs 2) and ratings volume (27 vs 2). On price, ads, 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. CircuitSense sells 2 in-app purchases, starting at $9.99 per month. H2O Audio PRO asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CircuitSense holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: H2O Audio PRO has 27 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 16% of H2O Audio PRO's written reviews are positive against 100% of CircuitSense's.

UpkeepUpdate frequency

H2O Audio PRO ships an update every 3 months, CircuitSense every 3 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
H2O Audio PRO versus CircuitSense: the parameters behind the verdict, then further details
ParameterH2O Audio PROCircuitSense
PriceFreeFree
Rating1.8 (27 ratings)5.0 (2 ratings) — better
Positive reviews15.8% of reviews100.0% of reviews — better
Number of ratings27 — better2
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.013.0
Further details — not scored
Size9 MB37 MB
Age rating4+4+
DeveloperH2O AudioCircuitSense LLC

Customer experience

H2O Audio PRO

All ratings26 ratings
Positive15.4%
Neutral3.8%
Negative80.8%
Written reviews38 reviews
Positive15.8%
Neutral2.6%
Negative81.6%

CircuitSense

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

H2O Audio PRO

No in-app purchases

2 purchases

CircuitSense

Subscriptions2
  • CircuitSense Pro7 Days trial$9.991 Month
  • CircuitSense Pro7 Days trial$79.991 Year

Questions

Is H2O Audio PRO free?
H2O Audio PRO is free to download, with no in-app purchases.
Is CircuitSense free?
CircuitSense is free to download, with in-app purchases available.
Which has better reviews, H2O Audio PRO or CircuitSense?
CircuitSense is rated higher. H2O Audio PRO averages 1.8 out of 5 from 27 ratings, while CircuitSense averages 5.0 from 2 ratings.
Do H2O Audio PRO or CircuitSense have ads?
Neither H2O Audio PRO nor CircuitSense shows ads.
Which is updated more often, H2O Audio PRO or CircuitSense?
H2O Audio PRO ships an update every 3 months, and CircuitSense every 3 days. Most recently, H2O Audio PRO was updated on October 22, 2026 and CircuitSense on October 24, 2026.

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