# Math Flash Cards App. vs Voice Multiply

The clearest difference is in-app purchases: Math Flash Cards App. at none against Voice Multiply's 1. Math Flash Cards App. also leads on iOS requirement (13.0 vs 17.0). Voice Multiply's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). On price and device support there is nothing between them.

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

Math Flash Cards App. ships an update every 4 months, Voice Multiply every 2 weeks. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Math Flash Cards App. | Voice Multiply |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/math-flash-cards-app/id6754808778/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 25 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JanoGroup LLC](https://appshunter.io/developer/1781461557) | [OLE PETTER HAUGEN](https://appshunter.io/developer/1831337755) |

## What reviewers say

### Math Flash Cards App.

[App page](https://appshunter.io/ios/app/math-flash-cards-app/id6754808778)

Practice essential arithmetic skills with quick math cards and timed challenges. Improve speed, accuracy, and confidence in addition, subtraction, multiplication, and division through engaging flashcard-style drills and progress tracking.

**Highlights:** Arithmetic practice cards, Flash cards for math facts, Multiplication practice, Timed math challenges, Instant feedback, Progress tracking, Mental math training

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Voice Multiply

[App page](https://appshunter.io/ios/app/voice-multiply/id6770139793)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All 10 tables | $14.99 | one-time |


## Frequently asked questions

### Is Math Flash Cards App. free?

Math Flash Cards App. is free to download, with no in-app purchases.

### Is Voice Multiply free?

Voice Multiply is free to download, with in-app purchases available.

### Do Math Flash Cards App. or Voice Multiply have ads?

Math Flash Cards App. shows ads; Voice Multiply does not.

### Which is updated more often, Math Flash Cards App. or Voice Multiply?

Math Flash Cards App. ships an update every 4 months, and Voice Multiply every 2 weeks. Most recently, Math Flash Cards App. was updated on September 19, 2026 and Voice Multiply on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*