# Mooggi Math Flash Cards HD vs Big Math Flash Cards

The clearest difference is in-app purchases: Mooggi Math Flash Cards HD at none against Big Math Flash Cards's 7. Mooggi Math Flash Cards HD also leads on iOS requirement (9.0 vs 15.6). Big Math Flash Cards's advantage is update cadence (every 2 months vs every 47 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Big Math Flash Cards sells 7 one-off in-app purchases. Mooggi Math Flash Cards HD asks for nothing beyond the download.

Mooggi Math Flash Cards HD ships an update every 47 months, Big Math Flash Cards every 2 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Mooggi Math Flash Cards HD | Big Math Flash Cards |
| --- | --- | --- |
| 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 | — | 77.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 3 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Altrius](https://appshunter.io/developer/407916771) | [Masato Takagi](https://appshunter.io/developer/541833596) |

## What reviewers say

### Mooggi Math Flash Cards HD

[App page](https://appshunter.io/ios/app/mooggi-math-flash-cards-hd/id796776839)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Review Incorrect | $0.99 | one-time |
| Score Cards | $0.99 | one-time |
| Specific Numbers | $0.99 | one-time |
| Mixed Operations | $0.99 | one-time |
| Levels 4,5,6 | $0.99 | one-time |
| Flash Card Mode | $0.99 | one-time |
| 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


## Frequently asked questions

### Is Mooggi Math Flash Cards HD free?

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

### Is Big Math Flash Cards free?

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

### Do Mooggi Math Flash Cards HD or Big Math Flash Cards have ads?

Neither Mooggi Math Flash Cards HD nor Big Math Flash Cards shows ads.

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

Mooggi Math Flash Cards HD ships an update every 47 months, and Big Math Flash Cards every 2 months. Most recently, Mooggi Math Flash Cards HD was updated on October 26, 2026 and Big Math Flash Cards on October 30, 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.*