Voice Math Cards vs 100 Squares
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Voice Math Cards
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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.
100 Squares
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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
Verdict
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
Both are free to download. 100 Squares sells 1 one-off in-app purchase. Voice Math Cards asks for nothing beyond the download.
Voice Math Cards ships an update every 10 days, 100 Squares every 5 days. Both last shipped on October 31, 2026.
| Parameter | Voice Math Cards | 100 Squares |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 38 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | International Systems Corporation | Robonet Communications inc. |
In-app purchases
Voice Math Cards
No in-app purchases
100 Squares
- 広告非表示$1.99
Questions
Is Voice Math Cards free?
Is 100 Squares free?
Do Voice Math Cards or 100 Squares have ads?
Which is updated more often, Voice Math Cards or 100 Squares?
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