Comparison

Calcbot 2 vs Heli Hoist Performance

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

Head to head
About

Calcbot 2

This app offers a smart calculator with a history tape and expression view to track your calculations. It includes over 500 unit conversions and scientific functions, with an Apple Watch extension for on-the-go use.

Highlights
  • History tape for saved calculations
  • Expression view for typed input
  • Over 500 unit conversions
  • Apple Watch extension
  • Scientific functions in landscape
  • Favorites for instant access
Features
Read full description

Calcbot is an intelligent calculator and unit converter for the rest of us. Featuring an easy-to-read history tape, expression view, intuitive conversion, and much more! History Tape*. Every calculation you enter gets saved to the history tape. Refer to calculations later or send them right back to your current calculation. Expression View. Calcbot's original expression view allows you to see everything you have typed so you'll never forget what you entered or miss a typo. Apple Watch Extension. Perform basic calculations, conversions, calculate tips, and split bills right from your Apple Watch. Conversion*. Convert any of your calculations with over 500 units across 22 different categories including auto-updating currency rates. Favorites. Fave a calculation and get instant access to its result via the Favorites Key. No more cryptic memory keys. Scientific Functions. Rotate your device into landscape mode to gain access to common scientific functions. Constants. Get instant access to scientific constants like Pi, Atomic Mass, or add your own*. Round for Currency. Have all of your results rounded to two decimal places. Sounds & Animations. Beautiful custom animations and sound effects provide positive feedback and an enjoyable experience while performing calculations. * In-App purchase required.

About

Heli Hoist Performance

Features
Read full description

Heli Hoist Performance is a dedicated performance calculation tool for helicopter hoist operations, with a primary focus on accurate HOGE performance for the AW169. Designed for operational use, the app provides fast, reliable calculations and is built to be easily extendable to support additional helicopter types in the future.

Screenshots

Calcbot 24 screens
Heli Hoist Performance4 screens

Verdict

The call

The clearest difference is in-app purchases: Heli Hoist Performance at none against Calcbot 2's 1. Calcbot 2's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.6). On price, update cadence and ads 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. Calcbot 2 sells 1 one-off in-app purchase. Heli Hoist Performance asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Calcbot 2 versus Heli Hoist Performance: the parameters behind the verdict, then further details
ParameterCalcbot 2Heli Hoist Performance
PriceFreeFree
Rating4.7 (11K ratings) — better—
Positive reviews60.1% of reviews—
Number of ratings11K — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size16 MB18 MB
Age rating4+4+
DeveloperTapbotsFlorian Ludwig

Bugs and requests

Calcbot 2

Reported bugs

4 issues
  • History tape not recording all calculations
  • Conversion settings not syncing to Apple Watch
  • App crashing on launch for some users
  • Blank app icons after iOS updates

Requested features

5 requests
  • Dark mode option
  • Widgets for quick access
  • More currency and unit conversions
  • Improved Apple Watch integration
  • Ability to edit calculations in history tape

Heli Hoist Performance

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Calcbot 2

One-time1
  • Calcbot Pro$1.99
None

Heli Hoist Performance

No in-app purchases

Questions

Is Calcbot 2 free?
Calcbot 2 is free to download, with in-app purchases available.
Is Heli Hoist Performance free?
Heli Hoist Performance is free to download, with no in-app purchases.
Do Calcbot 2 or Heli Hoist Performance have ads?
Neither Calcbot 2 nor Heli Hoist Performance shows ads.
Which is updated more often, Calcbot 2 or Heli Hoist Performance?
Calcbot 2 ships an update every 2 months, and Heli Hoist Performance every 2 months. Most recently, Calcbot 2 was updated on November 6, 2026 and Heli Hoist Performance on November 5, 2026.

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