Hydraulic schemes vs ECAP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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 descriptionHide 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
ECAP
Read full descriptionHide 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
Verdict
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
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.
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.
| Parameter | Hydraulic schemes | ECAP |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 76.9% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Angel Martinez | VEGARD HELLAND BU |
In-app purchases
Hydraulic schemes
- Remove ads, save/edit diagram$3.99
ECAP
- ECAP Pro$4.997 Days
- ECAP Pro$12.991 Month
- ECAP Pro$89.991 Year
Questions
Is Hydraulic schemes free?
Is ECAP free?
Do Hydraulic schemes or ECAP have ads?
Which is updated more often, Hydraulic schemes or ECAP?
Other comparisons















