GRE Calculator vs Math Riddles,Tricks,Questions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GRE Calculator
Practice for the GRE Quantitative section with a calculator that mimics the restrictions of the official exam. Avoid unrealistic expectations from generic calculators by using a tool designed for accurate GRE preparation.
- Mimics official GRE exam calculator restrictions
- Realistic practice experience
- Enforces mathematical order of operations
- Handles large numbers and undefined computations
- Digit display limits and rounding
- GRE Exam Style interface
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GRE Calculator is for students preparing to give the GRE exam. The calculator offered here is one that's very similar to the one offered during a GRE exam's Quantitative section, because it follows the same operational restrictions. Other generic calculators aren't tailored specifically for GRE exam practice, which is why using them for practice isn't recommended because it gives students unrealistic expectations of what to expect during an actual GRE exam. Given below are *some* of the rules enforced by the on-screen calculator supplied during a GRE exam. GRE Calculator here follows these same rules, giving students a more realistic practice experience: 1) No exponent notations are used or allowed. 2) Use of parenthesis is allowed only to a single degree (i.e. nested parenthesis isn't allowed). 3) Any number with an absolute value larger than 99,999,999 is not displayed, and instead the phrase "Error" is displayed. 4) At any time, no more than 8 digits are shown on the screen. Rounding off is used where needed to meet this requirement. 5) Any computation performed that is mathematically undefined, results in the "Error" message being displayed. 6) Mathematical 'order of operations' is enforced. For example, if calculating 8 + 5 x 3 from left to right, the answer would be 23, not 39. ........... and there's still more! GRE Calculator also offers a style called 'GRE Exam Style', which makes the calculator look strikingly similar to the calculator offered during an actual GRE exam. This offers an even more realistic practice experience for all those using GRE Calculator.
Math Riddles,Tricks,Questions
This app offers quick math quizzes to boost mental agility and focus. It features timed challenges, customizable operations, and progress tracking for learners of all ages. Improve your speed and memory with daily brain training exercises.
- Daily brain training
- Timed challenges
- Customizable math operations
- Multiple difficulty levels
- Progress tracking
- Game-like interface
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Math Problems – Train Your Brain in Minutes a Day Boost your mental agility, speed, and focus with Mental Problems, the fun, game-like brain trainer for learners of all ages. Solve challenging problems, track your progress, and sharpen your mind—anytime, anywhere. Why Math Problems? Quick Practice: Endless problems for daily brain training. Timed Challenges: Test your speed with 60-second or 30-seconds sprints. Customizable Focus: Practice addition, subtraction, multiplication, division, or a mix. Multiple Difficulty Levels: From very easy to hard—grow at your own pace. Track Your Progress: Scoreboards and best records to measure improvement. How it Works: Choose your game mode and difficulty. Select the math operations you want to focus on. Solve problems as fast as you can! Compete against your best score and improve every day. Perfect for students, professionals, and anyone who wants to keep their brain sharp. Just a few minutes a day can help you think faster, remember more, and have fun while doing it! As a premium member of app, you enjoy unlimited access to all features! By subscribing you get unlimited access to all the app’s functionality for the whole duration of your subscription period. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You can manage your subscription and turn off the auto-renewal anytime through your Account Settings. Privacy Policy: https://mobile-apps.dev/mental-math-privacy-policy/ Terms of Use: https://mobile-apps.dev/mental-math-terms-of-use/
Screenshots
Verdict
GRE Calculator and Math Riddles,Tricks,Questions both sit at 4.5 stars, but that hides the real split: 81% of GRE Calculator's written reviews are positive against 0% of Math Riddles,Tricks,Questions's. GRE Calculator also leads on in-app purchases (none vs 3) and ads (none vs shown). Math Riddles,Tricks,Questions's advantage is update cadence (weekly vs every 24 months). On price, rating, device support 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
Both are free to download. Math Riddles,Tricks,Questions sells 3 in-app purchases, starting at $2.99 per month. GRE Calculator asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for GRE Calculator against 4.4 for Math Riddles,Tricks,Questions. That said, the two scores are not equally well evidenced: GRE Calculator has 375 ratings behind it against 24, so its average is the more settled of the two. Written reviews are what separate them: 81% of GRE Calculator's written reviews are positive against 0% of Math Riddles,Tricks,Questions's.
GRE Calculator ships an update every 24 months, Math Riddles,Tricks,Questions weekly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.
| Parameter | GRE Calculator | Math Riddles,Tricks,Questions |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (375 ratings) — better | 4.4 (24 ratings) |
| Positive reviews | 80.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 375 — better | 24 |
| Update frequency | Every 24 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.6 | 16.6 |
| Further details — not scored | ||
| Size | 7 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Ahmad Najeeb | Viacheslav Khakhulin |
Customer experience
GRE Calculator
Math Riddles,Tricks,Questions
Bugs and requests
GRE Calculator
Reported bugs
3 issues- Crashes when using certain functions
- Lag between button press and display
- Incompatibility with newer iOS versions
Requested features
3 requests- Web/computer version
- Tutorial for advanced functions
- Ability to use on lock screen
Math Riddles,Tricks,Questions
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GRE Calculator
No in-app purchases
Math Riddles,Tricks,Questions
- Monthly Pro$2.991 Month
- Yearly Pro3 Days trial$11.991 Year
- Lifetime Pro$17.99
Questions
Is GRE Calculator free?
Is Math Riddles,Tricks,Questions free?
Which has better reviews, GRE Calculator or Math Riddles,Tricks,Questions?
Do GRE Calculator or Math Riddles,Tricks,Questions have ads?
Which is updated more often, GRE Calculator or Math Riddles,Tricks,Questions?
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