# Smart Math Flash Cards & Games vs Contrology Connection

The clearest difference is in-app purchases: Contrology Connection at none against Smart Math Flash Cards & Games's 8. Contrology Connection also leads on update cadence (every 2 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Math Flash Cards & Games sells 7 in-app purchases, starting at $1.99 per month. Contrology Connection asks for nothing beyond the download.

Smart Math Flash Cards & Games ships an update every 4 months, Contrology Connection every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Smart Math Flash Cards & Games | Contrology Connection |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (157 ratings)](https://appshunter.io/ios/app/smart-math-flash-cards-and-games/id1520280771/reviews)** | — |
| Number of ratings | **157** | — |
| Positive reviews | 65.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kavos Technologies LLC](https://appshunter.io/developer/1520280773) | [Eric Olsen](https://appshunter.io/developer/1881341474) |

## What reviewers say

### Smart Math Flash Cards & Games

[App page](https://appshunter.io/ios/app/smart-math-flash-cards-and-games/id1520280771)

Enhance your mental math abilities with interactive flashcards and games. This app offers customizable learning paths, adaptive difficulty, and detailed progress tracking for all skill levels. Practice specific operations or mixed problems with features like timed quizzes and hands-free speech recognition.

**Highlights:** Customizable flashcards, Adaptive learning, Timed quizzes, Review of answers, Speech recognition, Progress reports

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Math Premium - 1 Month | $1.99 | per month |
| Smart Math Premium - Monthly | $1.99 | per month |
| Smart Math Premium - 1 Year | $9.99 | per year |
| Smart Math Premium - 1 Year | $9.99 | per year |
| Smart Math Premium - Yearly | $9.99 | per year |
| Smart Math Premium - Lifetime | $12.49 | one-time |
| Smart Math Premium - Lifetime | $24.99 | one-time |


### Contrology Connection

[App page](https://appshunter.io/ios/app/contrology-connection/id6796696860)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Math Flash Cards & Games free?

Smart Math Flash Cards & Games is free to download, with in-app purchases available.

### Is Contrology Connection free?

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

### Do Smart Math Flash Cards & Games or Contrology Connection have ads?

Neither Smart Math Flash Cards & Games nor Contrology Connection shows ads.

### Which is updated more often, Smart Math Flash Cards & Games or Contrology Connection?

Smart Math Flash Cards & Games ships an update every 4 months, and Contrology Connection every 2 weeks. Most recently, Smart Math Flash Cards & Games was updated on October 24, 2026 and Contrology Connection on October 24, 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.*