# Iron Blocker vs StrandAbacus

The clearest difference is in-app purchases: StrandAbacus at none against Iron Blocker's 4. Iron Blocker's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Iron Blocker sells 3 in-app purchases, starting at $9.99 per 7 days. StrandAbacus asks for nothing beyond the download.

Iron Blocker ships an update every 5 weeks, StrandAbacus every 3 weeks. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Iron Blocker | StrandAbacus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/iron-blocker/id6479026222/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 55 MB | 17 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shamrai Arthur](https://appshunter.io/developer/1734808772) | [Yuliia Bielolipetska](https://appshunter.io/developer/6798730048) |

## What reviewers say

### Iron Blocker

[App page](https://appshunter.io/ios/app/iron-blocker/id6479026222)

Block intrusive ads, trackers, and unwanted callers to enhance your browsing and communication. Take control of your digital space for a smoother, more secure online experience. Unlock advanced features with a premium subscription.

**Highlights:** Ad Blocking, Tracker Blocking, Website Blocking, Call Blocking, Spam Call Protection, Premium Subscription for Advanced Features

**Features:** Safari Extension, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Browser ADS, Spam Call Blocker | $9.99 | per 7 days |
| Iron Adblock and CallBlock | $13.99 | per month |
| Mobile AdBlock, Wifi Protector | $79.99 | per year |


### StrandAbacus

[App page](https://appshunter.io/ios/app/strandabacus/id6798730045)

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

**In-app purchases:** none


## Frequently asked questions

### Is Iron Blocker free?

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

### Is StrandAbacus free?

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

### Do Iron Blocker or StrandAbacus have ads?

Neither Iron Blocker nor StrandAbacus shows ads.

### Which is updated more often, Iron Blocker or StrandAbacus?

Iron Blocker ships an update every 5 weeks, and StrandAbacus every 3 weeks. Most recently, Iron Blocker was updated on October 8, 2026 and StrandAbacus on October 18, 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.*