# Flashcard Blocker vs WordUnlock study focus

The clearest difference is update cadence: WordUnlock study focus at every 3 days against Flashcard Blocker's weekly. WordUnlock study focus also leads on iOS requirement (16 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flashcard Blocker sells 3 in-app purchases, starting at $4.99 per month and WordUnlock study focus sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Flashcard Blocker ships an update weekly, WordUnlock study focus every 3 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Flashcard Blocker | WordUnlock study focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/flashcard-blocker-learnscreen/id6759922571/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 31 MB | 36 MB |
| Requires iOS | 18.0 | **16** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roman Grunin](https://appshunter.io/developer/1696627836) | [ruki hamaguchi](https://appshunter.io/developer/1310543096) |

## What reviewers say

### Flashcard Blocker

[App page](https://appshunter.io/ios/app/flashcard-blocker-learnscreen/id6759922571)

This app helps you learn new vocabulary using flashcards and spaced repetition while also limiting access to distracting applications. Earn time to use your blocked apps by completing learning sessions.

**Highlights:** Customizable word sets, Flashcard learning, Spaced repetition, App blocking, Time-based access, Learning modes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO - Monthly | $4.99 | per month |
| PRO - annual | $19.99 | per year |
| PRO - Lifetime | $59.99 | one-time |


### WordUnlock study focus

[App page](https://appshunter.io/ios/app/wordunlock-study-focus/id6804361713)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (Monthly Renewal) | $4.99 | per month |
| Premium Plan (Annual Renewal) | $36.99 | per year |


## Frequently asked questions

### Is Flashcard Blocker free?

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

### Is WordUnlock study focus free?

WordUnlock study focus is free to download, with in-app purchases available.

### Do Flashcard Blocker or WordUnlock study focus have ads?

Neither Flashcard Blocker nor WordUnlock study focus shows ads.

### Which is updated more often, Flashcard Blocker or WordUnlock study focus?

Flashcard Blocker ships an update weekly, and WordUnlock study focus every 3 days. Most recently, Flashcard Blocker was updated on November 5, 2026 and WordUnlock study focus on November 6, 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.*