# CardGate vs Math Shield

The clearest difference is update cadence: Math Shield at every 2 days against CardGate's every 10 days. CardGate's advantage is iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CardGate sells 8 in-app purchases, starting at $1.99 per 7 days and Math Shield sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

CardGate ships an update every 10 days, Math Shield every 2 days. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | CardGate | Math Shield |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 6 MB | 20 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Adrian Scheibelhut](https://appshunter.io/developer/1891737078) | [Vinoth Ramajeyam](https://appshunter.io/developer/1665205517) |

## What reviewers say

### CardGate

[App page](https://appshunter.io/ios/app/cardgate-learn-then-scroll/id6761844846)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $24.99 | per year |
| Extra App Slot | $0.69 | one-time |
| Extra Deck Slot | $0.69 | one-time |
| 10 AI Credits | $0.99 | one-time |
| 100 AI Credits | $4.99 | one-time |
| Lifetime Premium | $34.99 | one-time |


### Math Shield

[App page](https://appshunter.io/ios/app/math-shield-focus-and-unlock/id6774190945)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Shield Pro Monthly | $3.99 | per month |
| Math Shield Pro Yearly | $12.99 | per year |
| Math Shield Pro - Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is CardGate free?

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

### Is Math Shield free?

Math Shield is free to download, with in-app purchases available.

### Do CardGate or Math Shield have ads?

Neither CardGate nor Math Shield shows ads.

### Which is updated more often, CardGate or Math Shield?

CardGate ships an update every 10 days, and Math Shield every 2 days. Most recently, CardGate was updated on September 13, 2026 and Math Shield on September 20, 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.*