Pre vs Dollar and Cent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pre
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Auto-renewable subscription Pre-Algebra Fundamentals comes with a 7-day free trial. After this you will be charged $4.99 a month and you can cancel anytime. Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage your subscription by visiting your iTunes Account Settings. Privacy policy: https://www.mathgalaxy.com/FQ3_Menu/FQ3_PreAlgebra_Privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Math Galaxy Pre-Algebra Fundamentals is like having an interactive textbook, with explanations, practice, games, and videos that cover all topics found in middle school math: decimals negative numbers (integers) absolute value exponents roots scientific and metric notation and operations order of operations factors and prime numbers 1 & 2-step equations systems of equations slopes and linear equations ratios & proportions similar figures direct & inverse variation percents geometry, including length, area, volume, weight, lines, angles & polygons pythagoras & right triangles basic trigonometry graphs frequency tables, mean (average) & median stem-and-leaf plots box-and-whisker plots probability patterns and sequences The concepts are presented in bite-size pieces and there is an unlimited number of practice problems, with numbers chosen randomly. By solving problems students earn robots to use in a maze game called the Labyrinth.
Dollar and Cent
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Master US money - one coin and one bill at a time. Dollar and Cent is a learning game for school and everyday life. Three games train exactly what matters with money: paying correctly, counting quickly and comparing amounts with confidence. With real US coins and bills from 1¢ all the way to $100. PAY THE EXACT PRICE Every item has a price tag. Pay exactly the right amount with bills and coins from the wallet - not a cent too much. 18 levels with dollars only, cents only, or dollars and cents together. COUNT THE MONEY Coins and bills are spread across the table. What is the total? Enter it on the number pad. Three sections - cents, dollars, and dollars + cents - with 20 levels each. WHICH IS MORE? Two amounts, one quick decision: pick the bigger one. Both totals are revealed right away, so every round sharpens your sense for money. 20 levels, from easy to tricky. EARN, SAVE AND SHOP Correct answers earn money. Save it and spend it in three shops - and get a real feel for what things cost. GREAT FOR - Math lessons in elementary school - Practice at home and homework support - Anyone new to US coins and bills - Anyone who wants to count change faster and more confidently WHAT YOU PRACTICE - Real US coins: 1¢, 5¢, 10¢, 25¢, 50¢ and $1 - Real US bills: $1, $2, $5, $10, $20, $50 and $100 - Adding amounts, paying exactly, comparing values - Difficulty grows step by step - Progress is saved automatically ONE APP, EVERY SCREEN iPhone, iPad, Mac and Apple TV - also great on the classroom TV with the Siri Remote. FOCUSED AND PRIVATE - No ads - No in-app purchases - No tracking, no personal data collected - Works completely offline Dollar and Cent - learn money by using it.
Screenshots
Verdict
The clearest difference is price: Pre at Free against Dollar and Cent's $0.99. Pre also leads on iOS requirement (15.0 vs 17.0). Dollar and Cent's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 31 months). On ads and device support 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
Pre is free to download; Dollar and Cent costs $0.99 up front. Pre sells 1 in-app purchase, starting at $4.99 per month. Dollar and Cent asks for nothing beyond the download.
Pre ships an update every 31 months, Dollar and Cent every 4 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.
| Parameter | Pre | Dollar and Cent |
|---|---|---|
| Price | Free — better | $0.99 |
| Update frequency | Every 31 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 296 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Math Galaxy | Murat Saygin |
In-app purchases
Pre
- PreAlgebra - Math Galaxy7 Days trial$4.991 Month
Dollar and Cent
No in-app purchases









