Comparison

Professional Math Nerd vs Mental Math

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

Head to head
About

Professional Math Nerd

This comprehensive Algebra 2 study guide offers step-by-step lessons, formula references, and practice quizzes. It includes personalized study sessions, progress tracking, and note-taking features, all accessible offline. Optional video explanations and printable worksheets enhance the learning experience.

Highlights
  • Native step-by-step lessons
  • Searchable offline formula library
  • Unit-by-unit practice quizzes
  • Personalized daily study dashboard
  • Progress tracking charts
  • Smart flashcard review
  • Printable practice worksheets
  • Handwritten and typed note-taking
Features
Read full description

Professional Math Nerd is a complete Algebra 2 study app, free to download. Built entirely native, with no internet required for the core experience. Study smarter with: • Native lesson content: every topic explained step-by-step with key formulas, worked examples, common mistakes, and quick-check practice questions, all built into the app • Formula Reference: a searchable offline library of math formulas, with examples and variable explanations • Practice Quizzes: unit-by-unit multiple choice quizzes with shuffled questions, instant scoring, and feedback • Today Dashboard: personalized daily study sessions you can jump into with one tap, test countdown, and a streak that tracks real studying • Progress Tracker: charts showing lessons completed by unit and total study time • Flashcards: smart review that resurfaces the cards you miss until you master them • Video Walkthroughs: optional video explanations for each lesson • Worksheets: printable PDF practice problems • Homework Walkthroughs: a full unit of homework help, worked through problem by problem, with its own worksheets and practice • My Notes: type them, snap a photo of your paper working, or write them out by hand with a finger or Apple Pencil • Share a lesson, a quiz result, or a worksheet with a classmate No account and no paywall. A few unobtrusive ads keep it free. We are building this app with students, and your opinion shapes what comes next. Tell us what to improve with Request a Video inside the app. Whether you're cramming for a test or building lasting math fundamentals, Professional Math Nerd gives you the tools to study smarter.

About

Mental Math

This app transforms mental math practice into an engaging game. Solve calculations by writing answers directly on the screen, track progress with badges and records, and enjoy a child-friendly, ad-free experience with parental controls.

Highlights
  • Finger-based answer input
  • Timed calculation challenges
  • Multiple math operations
  • Progress tracking with badges
  • Parental controls and profiles
  • Ad-free and no data collection
Features
Read full description

Calmenta is a playful mental math app to learn and practice addition, subtraction, multiplication and division. Work on times tables up to 12, take on timed challenges and write your answers straight on the screen with your finger. Made for children who want to get better at math at their own pace, Calmenta offers mental math exercises from beginner to extreme, with or without a timer. LEARN AND PRACTICE MENTAL MATH • Addition, subtraction, multiplication, division, comparisons and powers. • Times tables up to 12, one table at a time or all together. • 4 difficulty levels to progress at your own pace. • An “All” mode to mix different types of calculation. • Build your own sets by choosing the operations, the level and the number of calculations. WRITE YOUR ANSWER WITH YOUR FINGER No keyboard needed: just write your answer anywhere on the screen. Calmenta recognizes the digits directly on the device, bringing back a natural way of doing math, close to pencil and paper. 20 CALCULATIONS AGAINST THE CLOCK Take on the challenge with sets of 20 mental math exercises and try to beat your best time. Would you rather practice quietly? Turn on Training mode to play without a timer and without time pressure. PROGRESS EVERY DAY • Beat your records and earn stars. • Collect badges as you progress. • Grow your streak of days played. • Track the operations and levels you have mastered. • Keep improving, one calculation at a time. FOR PARENTS • No ads. • No account required. • Progress data stays on the device. • A parents’ area lets you follow each child’s progress. • See results by operation, mastered levels and records. • Create several child profiles for the whole family. FREE AND PREMIUM Calmenta is free to use with 3 games a day and the first 2 levels. Calmenta Premium unlocks: • Unlimited games. • All 4 difficulty levels. • Several child profiles. • Detailed parental tracking. Mental math, times tables, challenges and progress: practice every day with Calmenta. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Professional Math Nerd4 screens
Mental Math4 screens

Verdict

The call

The clearest difference is rating: Professional Math Nerd at 5.0 against Mental Math's 4.3. Professional Math Nerd also leads on in-app purchases (none vs 3). Mental Math's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price, ratings volume and iOS requirement 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. Mental Math sells 3 in-app purchases, starting at $3.99 per month. Professional Math Nerd asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Professional Math Nerd holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

UpkeepUpdate frequency

Professional Math Nerd ships an update monthly, Mental Math weekly. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

Scorecard6 real differences · 4 level
Professional Math Nerd versus Mental Math: the parameters behind the verdict, then further details
ParameterProfessional Math NerdMental Math
PriceFreeFree
Rating5.0 (3 ratings) — better4.3 (3 ratings)
Positive reviews100.0% of reviews—
Number of ratings33
Update frequencyMonthlyWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS16.016.0
Further details — not scored
Size7 MB36 MB
Age rating4+4+
DeveloperTheodor YounanyHelloProg

Customer experience

Professional Math Nerd

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Mental Math

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

Professional Math Nerd

No in-app purchases

3 purchases

Mental Math

Subscriptions2
  • Premium Monthly$3.991 Month
  • Abonnement annuel7 Days trial$9.991 Year
One-time1
  • Premium à vie$22.99

Questions

Is Professional Math Nerd free?
Professional Math Nerd is free to download, with no in-app purchases.
Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Which has better reviews, Professional Math Nerd or Mental Math?
Professional Math Nerd is rated higher. Professional Math Nerd averages 5.0 out of 5 from 3 ratings, while Mental Math averages 4.3 from 3 ratings.
Do Professional Math Nerd or Mental Math have ads?
Professional Math Nerd shows ads; Mental Math does not.
Which is updated more often, Professional Math Nerd or Mental Math?
Professional Math Nerd ships an update monthly, and Mental Math weekly. Most recently, Professional Math Nerd was updated on September 23, 2026 and Mental Math on September 29, 2026.

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