Comparison

Stair Calculator vs AutoCortex AI

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

Head to head
About

Stair Calculator

This app calculates essential parameters for stair construction, offering flexibility in input and providing multiple step set options. It supports various units and allows results to be easily copied.

Highlights
  • Calculate stair construction parameters
  • Flexible input for Run or Total Run
  • Determine largest and smallest step sets
  • Support for various units
  • Copy results to clipboard
Features
Read full description

Stair Calculator helps you calculate and compare staircase dimensions. FEATURES • Calculate using Run, Total Run, or Stair Angle • Enter a specific number of Runs or explore all calculated options • Support Metric and Imperial units • View detailed measurements and stair diagrams • Export results as a PDF or image • Copy results to the clipboard IMPORTANT Results are generated based on user-provided values and general calculation models. The app is intended for reference and educational purposes only. Please verify all measurements, local building requirements, and safety standards before actual construction. SUBSCRIPTION This subscription package offers unlimited access to all app features throughout the subscription period. • Payment will be charged to your Apple Account at confirmation of purchase. • The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Your Apple Account will be charged for renewal within 24 hours before the end of the current period, and the renewal cost will be identified. • Subscriptions may be managed and auto-renewal may be turned off in your Apple Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. PRIVACY POLICY https://13520178.github.io/StairCalc/policy.html TERMS OF USE https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ CONTACT If you have any questions or suggestions, please contact us. Email: phannhatd@gmail.com

About

AutoCortex AI

Features
Read full description

AutoCortex AI turns your phone into an instant vehicle diagnostic assistant. Notice something wrong with your car, truck, motorcycle, or tractor? Snap a photo or describe what's happening — AutoCortex AI analyzes it and gives you a clear, actionable report in seconds. WHAT YOU GET • Instant AI-powered diagnosis with severity level • Likely causes and recommended next steps • Estimated repair cost range • Whether it's safe to keep driving • Parts likely needed for the repair BUILT FOR REAL USE • Save multiple vehicle profiles (brand, model, year) • Full diagnosis history you can revisit anytime • Export any report as a PDF to share with your mechanic • Works in English and Turkish WHY AUTOCORTEX AI Whether you're trying to understand a strange noise, a warning light, or visible damage, AutoCortex AI gives you the context to make informed decisions before you visit a shop — potentially saving you time and money. Terms of Use (EULA): https://autocortexapp.com/terms.html Privacy Policy: https://autocortexapp.com/privacy-policy.html

Screenshots

Stair Calculator3 screens
AutoCortex AI4 screens

Verdict

The call

Stair Calculator and AutoCortex AI are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Stair Calculator sells 2 in-app purchases, starting at $9.99 per year and AutoCortex AI sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Stair Calculator versus AutoCortex AI: the parameters behind the verdict, then further details
ParameterStair CalculatorAutoCortex AI
PriceFreeFree
Rating4.1 (740 ratings) — better—
Positive reviews21.4% of reviews—
Number of ratings740 — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size1 MB54 MB
Age rating4+4+
DeveloperPhan Nhat ĐangHalil Samet Ozar

Bugs and requests

Stair Calculator

Reported bugs

2 issues
  • Subscription numbers don't add up
  • Doesn't provide promised features after purchase

Requested features

3 requests
  • Option to uninstall app
  • Ability to calculate run based on rise and landing space
  • Provide more detailed diagrams and visuals

AutoCortex AI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Stair Calculator

Subscriptions1
  • Annual Premium Package7 Days trial$9.991 Year
One-time1
  • Unlock all features$5.99
4 purchases

AutoCortex AI

Subscriptions4
  • Personel$4.991 Month
  • Mechanic Pro Monthly$29.991 Month
  • Personel yearly$149.001 Year
Show 1 more
  • Mechanic yearly$299.001 Year

Questions

Is Stair Calculator free?
Stair Calculator is free to download, with in-app purchases available.
Is AutoCortex AI free?
AutoCortex AI is free to download, with in-app purchases available.
Do Stair Calculator or AutoCortex AI have ads?
Neither Stair Calculator nor AutoCortex AI shows ads.

Other comparisons