Comparison

Calculator Max vs GroupGuru

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

Head to head
About

Calculator Max

This app offers a comprehensive suite of calculation tools, from basic arithmetic to advanced scientific functions. It features a history tape for easy access and reuse of entries, and a unique scribble pad for handwritten notes and equation solving on iPads. Enjoy a clean interface, multitasking support, and customizable themes.

Highlights
  • Basic and scientific calculators
  • History tape with export options
  • Handwritten notes and equation solving
  • Multitasking support on iPad
  • Customizable themes and app icons
  • Home Screen and Lock Screen widgets
Features
Read full description

Calculator Max makes both simple and complex calculations easy. It offers all calculators you’ll ever need in one carefully designed, uncluttered and easy-to-use package. Switching between calculators is buttery-smooth and natural. The basic calculator with big buttons swiftly handles everyday tasks. The more advanced scientific calculator is loaded with all important mathematical functions and constants. A history tape with your entries is comfortably accessible in all calculator modes. Thanks to it, you never lose track of what you’ve entered and the entries can be reused effortlessly in your calculations. The tape can also be exported to common formats and shared or printed. On the large screen of any iPad it is pure joy to make handwriting notes or draw your ideas right in the app. Write down any math equation and let the app calculate it for you in the blink of an eye. Or reuse any handwriting which you can easily convert to editable text. ————————— WHAT YOU GET ————————— /// POWERFUL CALCULATOR /// — Basic calculator with big buttons — Scientific calculator packed with functions and constants — History tape with the calculations at your fingertips in all modes — Extensive rounding options (e.g. two decimal places for accounting) — Up to 5 memory slots for frequent numbers — Plain Text, Monospaced Text, CSV, PDF and image export formats — Advanced export, share and print options — Scribble Pad on iPad for easy math equations solving, handwritten notes and sketches /// PRODUCTIVE WORKFLOW /// — Side tape layouts for easier long records handling — Clean and uncluttered interface with refined haptic feedback — Multitasking support on iPad for side-by-side work — External keyboard support for even faster input and app control — Universal app for all your iPhones, iPads and Macs — User interface precisely adapted for each device capabilities /// FAST ACCESS /// — Home Screen widgets with last calculations and memory — Widgets for direct access from the Lock Screen — Control Center and Lock Screen fast access buttons /// MIGHTY SCRIBBLE PAD /// — The right place for your quick notes and sketches — Easily calculates any written down math equation — Recognizes your handwriting and converts it to editable text — Fully-fledged notebook with unlimited number of paper sheets — Exportable as text, image or PDF — Optimized for your finger as well as Apple Pencil — Support for LAMY and Adonit styluses (on iPad) — Available on all iPad models /// EXTENSIVE CUSTOMIZATION /// — Handcrafted design themes with dark mode support — Loads of app icons you can easily choose from the best one for your Homescreen — Carefully selected sound sets Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

GroupGuru

Features
Read full description

GroupGuru makes creating and managing groups faster and easier than ever! Whether in the classroom, during training sessions, or at social activities, GroupGuru supports teachers, coaches, and event organizers in dividing participants into fair and convenient groups. Forget long lists or messy paperwork. Simply use our innovative voice input to conveniently add participants by speaking their names aloud. Of course, you can also manually enter names—whatever suits your preference! Key Features: • Lightning-Fast Voice Input: Hold the recording button, say a name, and you’re done! GroupGuru automatically detects duplicates, ensuring each participant is recorded only once. • Random Group Assignment by Shaking: Shake your device and instantly distribute names into random, fair groups—perfect for spontaneous team creation in classrooms, sports training, or casual events. • Flexible and Clear Interface: Choose the desired number of groups with a simple tap. GroupGuru automatically adjusts group sizes for a fair distribution within seconds. • PDF Export Feature: Generate professional, clear black-and-white group lists. Save, share, or send them directly from the app—perfect for printing or emailing. • Convenient Group Management: Save your groups for later use, name them individually, and manage them effortlessly in the “My Groups” section. Stay organized and stress-free. Why Choose GroupGuru? GroupGuru saves you time, effort, and hassle. Say goodbye to chaotic lists and time-consuming group assignments. With intuitive usability, unique voice input, and handy PDF export, you are perfectly equipped for everyday tasks in education, sports, and event organization. Ideal for: • Teachers and educators • Trainers and coaches • Workshop and event organizers • Youth group leaders and clubs • Anyone regularly managing groups efficiently Download GroupGuru now and discover how easy, flexible, and professional organizing groups can be!

Screenshots

Calculator Max4 screens
GroupGuru4 screens

Verdict

The call

The clearest difference is price: Calculator Max at Free against GroupGuru's $0.99. Calculator Max also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.6). GroupGuru's advantage is in-app purchases (none vs 2). On 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

Calculator Max is free to download; GroupGuru costs $0.99 up front. Calculator Max sells 2 in-app purchases, starting at $4.99 per year. GroupGuru asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Calculator Max versus GroupGuru: the parameters behind the verdict, then further details
ParameterCalculator MaxGroupGuru
PriceFree — better$0.99
Rating4.3 (1.8K ratings) — better—
Positive reviews55.1% of reviews—
Number of ratings1.8K — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size126 MB4 MB
Age rating4+4+
DeveloperPavel KozarekAndreas Bruno* Berger*

Bugs and requests

Calculator Max

Reported bugs

3 issues
  • Crashes after iOS 26 update
  • Tape not visible/functional on iPhone
  • Calculator buttons/layout issues in split-screen mode

Requested features

5 requests
  • Left-handed mode
  • Backspace/edit functionality
  • Scientific calculator mode with tape
  • Tape annotation/labeling
  • Cloud/Dropbox sync for tape

GroupGuru

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Calculator Max

Subscriptions1
  • Calculator Max Pro7 Days trial$4.991 Year
One-time1
  • Calculator Max Pro$3.99
None

GroupGuru

No in-app purchases

Questions

Is Calculator Max free?
Calculator Max is free to download, with in-app purchases available.
Is GroupGuru free?
GroupGuru costs $0.99, with no in-app purchases.
Do Calculator Max or GroupGuru have ads?
Neither Calculator Max nor GroupGuru shows ads.

Other comparisons