# Block Words vs Harbor Secrets

The clearest difference is in-app purchases: Block Words at none against Harbor Secrets's 2. Harbor Secrets's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Harbor Secrets sells 2 in-app purchases, starting at $4.99 per month. Block Words asks for nothing beyond the download.

Block Words ships an update weekly, Harbor Secrets every 2 weeks. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Block Words | Harbor Secrets |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 211 MB | 465 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [NAJOX](https://appshunter.io/developer/1801926063) | [Unwind Media, LLC](https://appshunter.io/developer/1678577522) |

## What reviewers say

### Block Words

[App page](https://appshunter.io/ios/app/block-words/id6802378089)

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

**In-app purchases:** none


### Harbor Secrets

[App page](https://appshunter.io/ios/app/harbor-secrets-hidden-objects/id6804781187)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memory Mysteries Monthly | $4.99 | per month |
| Memory Mysteries Yearly | $39.99 | per year |


## Frequently asked questions

### Is Block Words free?

Block Words is free to download, with no in-app purchases.

### Is Harbor Secrets free?

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

### Do Block Words or Harbor Secrets have ads?

Block Words shows ads; Harbor Secrets does not.

### Which is updated more often, Block Words or Harbor Secrets?

Block Words ships an update weekly, and Harbor Secrets every 2 weeks. Most recently, Block Words was updated on October 5, 2026 and Harbor Secrets on October 10, 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.*