Comparison

Hidrobil vs MEP Calc

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

Head to head
About

Hidrobil

Features
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Hidrobil, altyapı ve içmesuyu projelerinde çalışan mühendisler için arazide ve ofiste hızlı, pratik ve güvenilir hesaplama yapmak amacıyla geliştirilmiş bir mühendislik uygulamasıdır. Uygulama, içmesuyu ve pompa sistemlerine yönelik temel hidrolik hesaplamaları sade ve kullanıcı dostu bir arayüzle sunar.

About

MEP Calc

Features
Read full description

MEP Calc brings mechanical installation calculations and reference tools together for HVAC and fire protection engineers. CALCULATION TOOLS Fire Protection • Sprinkler selection using supported NFPA 13, EN 12845 and FM Global criteria • Compare available sprinkler alternatives and use the selected option in the system overview and PDF report • Fire pump equipment sizing, NPSH, clean agent and foam calculations • Dry system compressor, test and drain valve tools • Sprinkler, fire protection and installation reference tables Heating and Cooling • Pipe sizing, circulation pumps and pump head • Expansion tanks, radiators and underfloor heating • Collectors, balance tanks, buffer tanks and cooling towers • Pipe volume and insulation calculations Ventilation and Air Conditioning • Duct sizing and pressure loss • Air handling and psychrometric calculations • Fan and diffuser tools • Pool dehumidification Plumbing, Natural Gas, Compressed Air and Steam • Cold water, wastewater, hot water and booster pump calculations • Gas pipe sizing, pressure drop, regulators and meters • Compressed air pipes, compressors and air receivers • Steam and condensate pipes, boilers and steam traps KEY FEATURES • Five languages: English, Turkish, Arabic, French and Spanish • SI and IP unit systems • Calculation results and reference data in one app • PDF reports for saving and sharing results with Pro • Unit converter and favorites for frequently used tools • iPhone and iPad support • Calculations work offline; purchasing, restoring and refreshing subscription access require an internet connection PRO ACCESS Free tools are available alongside Pro modules. Crown-marked calculations and selected reference tools across multiple categories require an active Pro subscription. PDF export and sharing also require Pro. Not every tool outside the fire protection category is free. MEP Calc currently offers a yearly auto-renewable Pro subscription. New subscriptions have no free trial in any country. The local price and purchase terms are shown before confirmation. Restore Purchases is available in the app. Payment is charged to your Apple Account upon purchase confirmation. The subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel it in your Apple Account subscription settings. ENGINEERING USE Results depend on the entered data, supported calculation methods and stated limits. These tools assist engineering work; they do not replace project-specific hydraulic design, product listings, applicable local requirements or review by a qualified professional. Privacy Policy: https://fatihselvi1905-bit.github.io/mekaniktesisat-privacy-en/ Terms of Use: https://fatihselvi1905-bit.github.io/mekaniktesisat-terms-en/

Screenshots

Hidrobil4 screens
MEP Calc4 screens

Verdict

The call

The clearest difference is in-app purchases: Hidrobil at none against MEP Calc's 5. Hidrobil also leads on iOS requirement (13.0 vs 17.0). MEP Calc's advantage is update cadence (every 5 days vs every 6 months). On price, 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. MEP Calc sells 5 in-app purchases, starting at $6.99 per month. Hidrobil asks for nothing beyond the download.

UpkeepUpdate frequency

Hidrobil ships an update every 6 months, MEP Calc every 5 days. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 3 level
Hidrobil versus MEP Calc: the parameters behind the verdict, then further details
ParameterHidrobilMEP Calc
PriceFreeFree
Update frequencyEvery 6 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size17 MB30 MB
Age rating4+4+
DeveloperFurkan Yuksel TemelciAhmet Selvi

In-app purchases

None

Hidrobil

No in-app purchases

5 purchases

MEP Calc

Subscriptions4
  • Pro Monthly - Intro Support$6.991 Month
  • MEP Calc Pro (Monthly)$12.991 Month
  • Pro Yearly - Intro Support$24.991 Year
Show 1 more
  • MEP Calc Pro (Yearly)$29.991 Year
One-time1
  • MEP Calc Pro Lifetime$69.99

Questions

Is Hidrobil free?
Hidrobil is free to download, with no in-app purchases.
Is MEP Calc free?
MEP Calc is free to download, with in-app purchases available.
Do Hidrobil or MEP Calc have ads?
Neither Hidrobil nor MEP Calc shows ads.
Which is updated more often, Hidrobil or MEP Calc?
Hidrobil ships an update every 6 months, and MEP Calc every 5 days. Most recently, Hidrobil was updated on October 12, 2026 and MEP Calc on October 28, 2026.

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