Comparison

performify vs Skulas CarWash

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

Head to head
About

performify

Features
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performify! - Calculations derived from the manufacturer's AFMs. Reverse engineered mathematical equations so that you don't have to draw, interpolate or calculate yourself! - Efficient workflow in mind. Designed for the pilot to make quick decisions or play with the numbers! - Widgets! - Automatically derived parameters, based on location and local weather - Dark Mode! - Add a preferred margin to every calculation! - Add a favourite aircraft variant for every aircraft make, to get started quicker. - Currently supports landing and take-off performance calculations. More to come! - Currently supports a number of aircraft such as: - Antonov AN2 - Cessna 152, 172, 172 R&S - Piper PA28-181 - Robin DR400/140B, DR400/180 - Tecnam P2008JC - More to come! IMPORTANT: !! DO NOT USE FOR PLANNING PURPOSES !! Reason: performify is not a certified or approved application by any organization or authority. Please do not use this app for planning purposes. Always cross verify the results with your AFM! By downloading this app you confirm that you use all calculations AT YOUR OWN RISK. Always check with the AFM. The developer nor the publisher are responsible for any damage caused by the use of the calculations." Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Skulas CarWash

Features
Read full description

Pasirinkite jums tinkamiausią automobilio plovimo būdą – vienkartinį plovimą arba patogų mėnesinį planą. Programėlėje lengvai rasite sprendimą tiek greitam automobilio atšviežinimui, tiek reguliariai priežiūrai. Naudokitės patogiu užsakymu, greitais mokėjimais ir kokybiškomis „Skulas“ plovyklos paslaugomis jums patogiu metu. Leiskite savo automobiliui atrodyti švariai be papildomų rūpesčių – atsisiųskite programėlę ir išbandykite modernesnį automobilio priežiūros būdą.

Screenshots

performify4 screens
Skulas CarWash4 screens

Verdict

The call

The clearest difference is in-app purchases: Skulas CarWash at none against performify's 1. Skulas CarWash also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (14.0.0 vs 17.0). 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. performify sells 1 in-app purchase, starting at $2.99 per month. Skulas CarWash asks for nothing beyond the download.

UpkeepUpdate frequency

performify ships an update every 2 months, Skulas CarWash every 9 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 3 level
performify versus Skulas CarWash: the parameters behind the verdict, then further details
ParameterperformifySkulas CarWash
PriceFreeFree
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.014.0.0 — better
Further details — not scored
Size95 MB42 MB
Age rating4+4+
DeveloperPascal BurletRV PROJECTS MB

In-app purchases

1 purchases

performify

Subscriptions1
  • AviatorPro1 Month trial$2.991 Month
None

Skulas CarWash

No in-app purchases

Questions

Is performify free?
performify is free to download, with in-app purchases available.
Is Skulas CarWash free?
Skulas CarWash is free to download, with no in-app purchases.
Do performify or Skulas CarWash have ads?
Neither performify nor Skulas CarWash shows ads.
Which is updated more often, performify or Skulas CarWash?
performify ships an update every 2 months, and Skulas CarWash every 9 days. Most recently, performify was updated on November 3, 2026 and Skulas CarWash on October 28, 2026.

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