# DrillLock vs Math Shield

The clearest difference is rating: DrillLock at 5.0 against Math Shield's 1.0. DrillLock also leads on iOS requirement (17.0 vs 26.0). Math Shield's advantage is update cadence (every 2 days vs weekly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. DrillLock sells 2 in-app purchases, starting at $6.99 per month 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.

DrillLock holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

DrillLock ships an update weekly, Math Shield every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | DrillLock | Math Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drilllock-math-app-blocker/id6759181330/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/math-shield-focus-and-unlock/id6774190945/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 8 MB | 20 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FRONTLINE LLC](https://appshunter.io/developer/1877229947) | [Vinoth Ramajeyam](https://appshunter.io/developer/1665205517) |

## What reviewers say

### DrillLock

[App page](https://appshunter.io/ios/app/drilllock-math-app-blocker/id6759181330)

This app requires users to solve a math problem before accessing distracting applications, helping to create focused study sessions. It offers scheduled blocking, usage limits, and temporary unlocks for essential apps. A pro subscription unlocks advanced features for serious learners.

**Highlights:** Math challenge to unlock apps, Scheduled app blocking, Usage limit blocking, Temporary unlocks, Essential app exceptions, Multiple rule support (Pro)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DrillLock PRO Monthly | $6.99 | per month |
| DrillLock PRO Yearly | $39.99 | per year |


### 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 DrillLock free?

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

### Is Math Shield free?

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

### Which has better reviews, DrillLock or Math Shield?

DrillLock is rated higher. DrillLock averages 5.0 out of 5 from 1 ratings, while Math Shield averages 1.0 from 1 ratings.

### Do DrillLock or Math Shield have ads?

Neither DrillLock nor Math Shield shows ads.

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

DrillLock ships an update weekly, and Math Shield every 2 days. Most recently, DrillLock was updated on October 24, 2026 and Math Shield 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.*