# Big Math Flash Cards vs PerimetreEasy

The clearest difference is in-app purchases: PerimetreEasy at none against Big Math Flash Cards's 1. PerimetreEasy also leads on update cadence (weekly vs every 2 months) and review sentiment (100% vs 77%). On price, ads and device support there is nothing between them.

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

Big Math Flash Cards ships an update every 2 months, PerimetreEasy weekly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Big Math Flash Cards | PerimetreEasy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (41K ratings)](https://appshunter.io/ios/app/big-math-flash-cards/id929492658/reviews)** | — |
| Number of ratings | **41K** | — |
| Positive reviews | 76.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 27 MB |
| Requires iOS | 15.6 | **10.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masato Takagi](https://appshunter.io/developer/541833596) | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) |

## What reviewers say

### Big Math Flash Cards

[App page](https://appshunter.io/ios/app/big-math-flash-cards/id929492658)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Bundle | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Helps with math practice
- 🤩 Fun and engaging for kids
- 📚 Useful for learning math facts
- 🧠 Improves math skills

**What reviewers complain about**

- 💰 Some features require payment
- 🤔 Lack of customization options
- 🤖 Repetitive gameplay
- 🙄 Boring for older students

**Reported bugs**

- Incorrect answers marked as wrong
- Glitches when swiping answers

**Requested features**

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


### PerimetreEasy

[App page](https://appshunter.io/ios/app/perimetreeasy/id1286551158)

Quickly and easily solve perimeter calculations for various geometric shapes. Enter known dimensions and get instant results, simplifying math exercises and checks.

**Highlights:** Fast perimeter calculations, Easy exercise solving, Automatic calculation, Input known elements, Check calculations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Big Math Flash Cards free?

Big Math Flash Cards is free to download, with in-app purchases available.

### Is PerimetreEasy free?

PerimetreEasy is free to download, with no in-app purchases.

### Do Big Math Flash Cards or PerimetreEasy have ads?

Neither Big Math Flash Cards nor PerimetreEasy shows ads.

### Which is updated more often, Big Math Flash Cards or PerimetreEasy?

Big Math Flash Cards ships an update every 2 months, and PerimetreEasy weekly. Most recently, Big Math Flash Cards was updated on November 11, 2026 and PerimetreEasy on November 3, 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.*