Comparison

Pre vs Dollar and Cent

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

Head to head
About

Pre

Features
Read full description

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.

About

Dollar and Cent

Features
Read full description

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

Pre4 screens
Dollar and Cent4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 2 level
Pre versus Dollar and Cent: the parameters behind the verdict, then further details
ParameterPreDollar and Cent
PriceFree — better$0.99
Update frequencyEvery 31 monthsEvery 4 months — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size296 MB27 MB
Age rating4+4+
DeveloperMath GalaxyMurat Saygin

In-app purchases

1 purchases

Pre

Subscriptions1
  • PreAlgebra - Math Galaxy7 Days trial$4.991 Month
None

Dollar and Cent

No in-app purchases

Questions

Is Pre free?
Pre is free to download, with in-app purchases available.
Is Dollar and Cent free?
Dollar and Cent costs $0.99, with no in-app purchases.
Do Pre or Dollar and Cent have ads?
Neither Pre nor Dollar and Cent shows ads.
Which is updated more often, Pre or Dollar and Cent?
Pre ships an update every 31 months, and Dollar and Cent every 4 months. Most recently, Pre was updated on November 8, 2026 and Dollar and Cent on November 5, 2026.

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