# Big Math Flash Cards vs DuPage ROE 19

The clearest difference is in-app purchases: DuPage ROE 19 at none against Big Math Flash Cards's 1. Big Math Flash Cards's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Big Math Flash Cards sells 1 one-off in-app purchase. DuPage ROE 19 asks for nothing beyond the download.

Big Math Flash Cards ships an update every 2 months, DuPage ROE 19 every 5 weeks. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Big Math Flash Cards | DuPage ROE 19 |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 144 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masato Takagi](https://appshunter.io/developer/541833596) | [Dupage Regional Office of Education](https://appshunter.io/developer/6784322722) |

## 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


### DuPage ROE 19

[App page](https://appshunter.io/ios/app/dupage-roe-19/id6784322719)

**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 DuPage ROE 19 free?

DuPage ROE 19 is free to download, with no in-app purchases.

### Do Big Math Flash Cards or DuPage ROE 19 have ads?

Neither Big Math Flash Cards nor DuPage ROE 19 shows ads.

### Which is updated more often, Big Math Flash Cards or DuPage ROE 19?

Big Math Flash Cards ships an update every 2 months, and DuPage ROE 19 every 5 weeks. Most recently, Big Math Flash Cards was updated on November 5, 2026 and DuPage ROE 19 on October 25, 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.*