Comparison

Big Math Flash Cards vs Mathematicus Parvus

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

Head to head
About

Big Math Flash Cards

This app provides a digital flash card experience for practicing basic arithmetic operations. Users can flip cards, select answers, and track their progress with score percentages and elapsed time. Additional features for reviewing mistakes, custom sets, and different input modes are available through in-app purchases.

Highlights
  • Addition, Subtraction, Multiplication, Division
  • Configurable number of questions and answers
  • Score percentage and elapsed time tracking
  • Selectable color themes and sound options
  • Review incorrect answers (in-app purchase)
  • Custom card sets (in-app purchase)
Features
Read full description

Highly rated by teachers, parents and kids of all ages! Flip the card just like a real flash card! Simple, clean and easy to use interface. The front side of the card shows the question and the back side of the card shows the possible answers. Just tap to flip the card. Once you answer the question correctly, flick the card off the screen by swiping up. Features * Addition, Subtraction, Multiplication, Division * Score percentage and elapsed time displayed * Configurable number of questions * Configurable number of answers for multiple choice * Supports landscape or portrait card display modes * Selectable flash card color themes * Turn all sounds on or off Other great features available via "In App Purchase" * Review Incorrect - review the questions that were answered incorrectly * Score Cards - view and review past scores and questions * Specific Numbers - customize the first and second number ranges * Mixed Operations - ability to have cards with mixed operators * Flash Card Mode - displays the answer instead of multiple choice (swipe up to mark the card correct, swipe down to mark the card incorrect) * Manual Entry Mode - type your answer instead of selecting from a choice of possible answers * Custom Cards - make your own custom card set questions * Time Per Card - allows you to set a time limit for each card

About

Mathematicus Parvus

Features
Read full description

Mathematicus Parvus is an app to practice and encourage mental arithmetic. The app is easy to use and fully accessible using VoiceOver. Add and subtract to 10, 100 or 1000. Multiply and divide with numbers from 1 to 12. Fun auditory and visual effects. Don't hesitate to try the app for free.

Screenshots

Big Math Flash Cards4 screens
Mathematicus Parvus3 screens

Verdict

The call

The clearest difference is update cadence: Big Math Flash Cards at every 2 months against Mathematicus Parvus's every 6 months. Big Math Flash Cards also leads on iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases 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

Both are free to download. Big Math Flash Cards sells 7 one-off in-app purchases and Mathematicus Parvus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Big Math Flash Cards ships an update every 2 months, Mathematicus Parvus every 6 months. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
Big Math Flash Cards versus Mathematicus Parvus: the parameters behind the verdict, then further details
ParameterBig Math Flash CardsMathematicus Parvus
PriceFreeFree
Rating4.2 (40K ratings) — better—
Positive reviews77.0% of reviews—
Number of ratings40K — better—
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size3 MB1 MB
Age rating4+4+
DeveloperMasato TakagiKristof Nijs

Bugs and requests

Big Math Flash Cards

Reported bugs

2 issues
  • Incorrect answers marked as wrong
  • Glitches when swiping answers

Requested features

5 requests
  • More difficulty levels
  • Ability to choose specific math operations
  • Addition of word problems
  • Inclusion of fractions and exponents
  • Gamification and rewards system

Mathematicus Parvus

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Big Math Flash Cards

One-time7
  • Review Incorrect$0.99
  • Score Cards$0.99
  • Specific Numbers$0.99
Show 4 more
  • Mixed Operations$0.99
  • Levels 4,5,6$0.99
  • Flash Card Mode$0.99
  • All Bundle$4.99
1 purchases

Mathematicus Parvus

One-time1
  • Purchase of the app$0.99

Questions

Is Big Math Flash Cards free?
Big Math Flash Cards is free to download, with in-app purchases available.
Is Mathematicus Parvus free?
Mathematicus Parvus is free to download, with in-app purchases available.
Do Big Math Flash Cards or Mathematicus Parvus have ads?
Neither Big Math Flash Cards nor Mathematicus Parvus shows ads.
Which is updated more often, Big Math Flash Cards or Mathematicus Parvus?
Big Math Flash Cards ships an update every 2 months, and Mathematicus Parvus every 6 months. Most recently, Big Math Flash Cards was updated on October 17, 2026 and Mathematicus Parvus on October 2, 2026.

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