Comparison

Voice Math Cards vs 100 Squares

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

Head to head
About

Voice Math Cards

Features
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Master math with your voice! A math flashcard app where you answer out loud—just like using real flashcards, but better. With simple controls and an intuitive design, even young children in early elementary school can practice independently and without confusion. Make daily homework more fun and reduce the burden on busy parents. [Recommended for] - Children who want to finish math flashcard homework more smoothly - Children who struggle to flip cards quickly and improve speed - Families who find shuffling cards every time a hassle - Those who want to easily track learning progress - Busy parents who cannot stay beside their child the whole time [Main Features] - Addition (without / with carrying) - Subtraction (without / with borrowing) - Multiplication - Random mode is also available. ・Answer modes: Choose between button input or voice input. By answering out loud, children can practice in a way that feels like real flashcards. ・User profiles: Up to 5 users can be registered. Icons and backgrounds can be customized. ・Results review: Check elapsed time and review incorrect answers. ・Focus-friendly design: No ads are shown during practice, helping children stay focused. There is no risk of accidentally tapping ads while answering.

About

100 Squares

Features
Read full description

100 Squares brings addition, subtraction, multiplication and division together in a single app - the classic drill for building elementary calculation skills. FEATURES - Pick one of the four operations and race the clock over 100 problems - A separate national ranking for each operation, so you can compete with players nationwide - The cursor moves to the next square as you answer, so you keep a steady rhythm - Remove ads with a one-time purchase (250 yen) for distraction-free practice - Available in English, Chinese (Simplified), Korean and Spanish THE FOUR OPERATIONS - Addition - 100 problems adding 0 to 9 - Subtraction - 100 problems that never go below zero - Multiplication - 100 problems covering the times tables - Division - 100 problems that always divide evenly RECOMMENDED FOR - Parents who want to sharpen their child's calculation speed - Building a daily study habit - Kids who want to get good at arithmetic in a fun, game-like way Simple to use, anytime and anywhere. Give it a try together as a family!

Screenshots

Voice Math Cards4 screens
100 Squares4 screens

Verdict

The call

The clearest difference is in-app purchases: Voice Math Cards at none against 100 Squares's 1. Voice Math Cards also leads on ads (none vs shown). 100 Squares's advantage is update cadence (every 5 days vs every 10 days). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 100 Squares sells 1 one-off in-app purchase. Voice Math Cards asks for nothing beyond the download.

UpkeepUpdate frequency

Voice Math Cards ships an update every 10 days, 100 Squares every 5 days. Both last shipped on October 31, 2026.

Scorecard3 real differences · 3 level
Voice Math Cards versus 100 Squares: the parameters behind the verdict, then further details
ParameterVoice Math Cards100 Squares
PriceFreeFree
Update frequencyEvery 10 daysEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size38 MB44 MB
Age rating4+4+
DeveloperInternational Systems CorporationRobonet Communications inc.

In-app purchases

None

Voice Math Cards

No in-app purchases

1 purchases

100 Squares

One-time1
  • 広告非表示$1.99

Questions

Is Voice Math Cards free?
Voice Math Cards is free to download, with no in-app purchases.
Is 100 Squares free?
100 Squares is free to download, with in-app purchases available.
Do Voice Math Cards or 100 Squares have ads?
100 Squares shows ads; Voice Math Cards does not.
Which is updated more often, Voice Math Cards or 100 Squares?
Voice Math Cards ships an update every 10 days, and 100 Squares every 5 days. Most recently, Voice Math Cards was updated on October 31, 2026 and 100 Squares on October 31, 2026.

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