Comparison

HyTools vs Hydraulic schemes

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

Head to head
About

HyTools

This app provides HVAC professionals with a comprehensive suite of hydronic calculation tools. It assists with tasks like valve sizing, pressure drop calculations, and radiator power estimation. The tool offers unit conversion and language selection for user convenience.

Highlights
  • Hydronic calculator
  • Valve sizing and presetting
  • Radiator power estimation
  • Pipe sizing
  • Unit conversion
  • Pressure maintenance calculation
Features
Read full description

IMI Hydronic Engineering proudly presents HyTools, the user-friendly hydronic calculator App for HVAC professionals. Features include: - Hydronic calculator (enter any two values and get the third one): - flow - Kv/Cv - pressure drop - power - flow - temperature difference - flow - valve setting - pressure drop - Dirt and air separator pressure drop calculation - Valve sizing and presetting - Radiator power estimation (panel and column) - Radiator valve sizing and presetting - Pipe sizing - Unit conversion - Run-time selection of localisation - Run-time selection of language - Pressure maintenance and vacuum degassing calculation and selection for heating, cooling and solar systems Stay tuned for great upcoming updates adding further hydronic calculation functions. Please visit www.imi-hydronic.com for more information and contact details. Phone numbers to local support can be found here: http://www.imi-hydronic.com/en/contact/ IMI Hydronic Engineering International SA is the leading global provider and expert in hydronic distribution systems and room temperature control, with experience in more than 100,000 projects worldwide. We help our customers everywhere optimise HVAC systems so they deliver desired comfort with optimal efficiency. IMI Hydronic Engineering is part of the international engineering group IMI plc which is listed as a member of the FTSE 100 on the London Stock Exchange.

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

Screenshots

HyTools4 screens
Hydraulic schemes4 screens

Verdict

The call

The clearest difference is price: HyTools at Free against Hydraulic schemes's $0.99. HyTools also leads on in-app purchases (none vs 1) and ratings volume (5 vs 1). Hydraulic schemes's advantage is rating (5.0 vs 4.0) and review sentiment (77% vs 50%). On 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

HyTools is free to download; Hydraulic schemes costs $0.99 up front. Hydraulic schemes sells 1 one-off in-app purchase. HyTools asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hydraulic schemes holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: HyTools has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of HyTools's written reviews are positive against 77% of Hydraulic schemes's.

UpkeepUpdate frequency

HyTools ships an update every 6 weeks, Hydraulic schemes every 2 weeks. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

Scorecard8 real differences · 2 level
HyTools versus Hydraulic schemes: the parameters behind the verdict, then further details
ParameterHyToolsHydraulic schemes
PriceFree — better$0.99
Rating4.0 (5 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews76.9% of reviews — better
Number of ratings5 — better1
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size114 MB10 MB
Age rating4+4+
DeveloperIMI Hydronic Engineering International SAAngel Martinez

Customer experience

HyTools

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews8 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

Hydraulic schemes

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews13 reviews
Positive76.9%
Neutral7.7%
Negative15.4%

In-app purchases

None

HyTools

No in-app purchases

1 purchases

Hydraulic schemes

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

Questions

Is HyTools free?
HyTools is free to download, with no in-app purchases.
Is Hydraulic schemes free?
Hydraulic schemes costs $0.99, and also offers in-app purchases.
Which has better reviews, HyTools or Hydraulic schemes?
Hydraulic schemes is rated higher. HyTools averages 4.0 out of 5 from 5 ratings, while Hydraulic schemes averages 5.0 from 1 ratings.
Do HyTools or Hydraulic schemes have ads?
Neither HyTools nor Hydraulic schemes shows ads.
Which is updated more often, HyTools or Hydraulic schemes?
HyTools ships an update every 6 weeks, and Hydraulic schemes every 2 weeks. Most recently, HyTools was updated on October 23, 2026 and Hydraulic schemes on October 27, 2026.

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