Comparison

Hydraulic schemes vs ECAP

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

Head to head
About

Hydraulic schemes

Easily design hydraulic, heating, cooling, and air conditioning schematics. Drag and drop symbols to quickly build your diagrams. Save and edit your work with the PRO version.

Highlights
  • Create hydraulic schemes
  • Drag and drop symbol placement
  • Extensive symbol library
  • Save and edit schemes (PRO)
  • Export as image or PDF
  • Multiple HVAC system support
Read full description

This tool will allow you to create your own hydraulic scheme (heat, cold, air conditioning) quickly and easily, you simply have to select the symbol you want to use, drag and drop it in the desired position. Symbols: Valves: 2, 3 and 4-way, mixing, control, balancing, butterfly, gate, safety, overflow, non-return, thermostatic, pump, flowmeter, meter, flow switch, pressure gauge, air and dirty separator, drain, temperature probe, boiler, heat pump, indoor and outdoor unit, accumulator, inter-accumulator, heat and cold exchanger, collector, thermostat, radiator, underfloor heating, pressure reducer, filter, resistor, sleeve, tap, buffer tank, gas, solar panels, coil, oven, swimming pool, emitters. # BASIC Version # * You can create your scheme with the same symbols as the Version PRO * You can only work with a scheme although you can share it as an image, pdf or file * Once you create a scheme you will no longer be able to open another (they are not saved) # PRO Version # (1 - In-App Purchases) * You will be able to open, edit and save a scheme * Open in the following examples (link) ------------- * More examples: https://drive.google.com/drive/folders/1W6HFnDNsZAZonUlPn5tEPEnbZOuACjxN?usp=sharing

About

ECAP

Features
Read full description

ECAP is the tool for electricians who document electrical installations to the IEC 60364 standard – fast, structured and offline. Build your installation in a clear hierarchy: installation → building → room → distribution board → circuit. Everything you register turns into finished reports with a single tap. FEATURES • Circuit schedule with all relevant columns (amperage, characteristic, cross-section, cable, RCD, labeling) • Single-line diagram with IEC symbols – complete, riser or per branch • GPS map of all installations, buildings and rooms • PDF reports: complete documentation, circuit schedule, riser diagram, QR labels • Scan a circuit schedule with your camera – AI reads it and creates the circuits automatically • Offline-first – works without internet, syncs when you're back online • Share installations with colleagues or work together in a company with role control • Automatic labeling and phase balance ECAP keeps your documentation in order so you can spend your time on the job. Stored safely, synced across your devices. Available in Norwegian, English, Swedish and Danish.

Screenshots

Hydraulic schemes4 screens
ECAP4 screens

Verdict

The call

The clearest difference is price: ECAP at Free against Hydraulic schemes's $0.99. ECAP also leads on update cadence (every 2 days vs every 2 weeks). Hydraulic schemes's advantage is iOS requirement (11.0 vs 15.0). On 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

ECAP is free to download; Hydraulic schemes costs $0.99 up front. Hydraulic schemes sells 1 one-off in-app purchase and ECAP sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Hydraulic schemes ships an update every 2 weeks, ECAP every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Hydraulic schemes versus ECAP: the parameters behind the verdict, then further details
ParameterHydraulic schemesECAP
Price$0.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews76.9% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size10 MB35 MB
Age rating4+4+
DeveloperAngel MartinezVEGARD HELLAND BU

In-app purchases

1 purchases

Hydraulic schemes

One-time1
  • Remove ads, save/edit diagram$3.99
3 purchases

ECAP

Subscriptions3
  • ECAP Pro$4.997 Days
  • ECAP Pro$12.991 Month
  • ECAP Pro$89.991 Year

Questions

Is Hydraulic schemes free?
Hydraulic schemes costs $0.99, and also offers in-app purchases.
Is ECAP free?
ECAP is free to download, with in-app purchases available.
Do Hydraulic schemes or ECAP have ads?
Neither Hydraulic schemes nor ECAP shows ads.
Which is updated more often, Hydraulic schemes or ECAP?
Hydraulic schemes ships an update every 2 weeks, and ECAP every 2 days. Most recently, Hydraulic schemes was updated on October 30, 2026 and ECAP on October 31, 2026.

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