# Call Blocker vs 2FA iAtomos

The clearest difference is in-app purchases: 2FA iAtomos at none against Call Blocker's 10. 2FA iAtomos also leads on ads (none vs shown) and update cadence (every 8 days vs monthly). On price and iOS requirement there is nothing between them.

Both are free to download. Call Blocker sells 10 in-app purchases, starting at $4.99 per month. 2FA iAtomos asks for nothing beyond the download.

Call Blocker ships an update monthly, 2FA iAtomos every 8 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Call Blocker | 2FA iAtomos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.2K ratings)](https://appshunter.io/ios/app/call-blocker/id1180310843/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | 78.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 63 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [UnknownPhone.com](https://appshunter.io/developer/1180310842) | [SAMUEL MORENO CONEJERO](https://appshunter.io/developer/6796264522) |

## What reviewers say

### Call Blocker

[App page](https://appshunter.io/ios/app/call-blocker/id1180310843)

Block unwanted calls, identify suspicious numbers, and report spam. Access a large community database to avoid phone scams and extra charges. Protect yourself from telemarketers and unknown callers.

**Highlights:** Block any phone number, Identify commercial calls, Report suspicious numbers, Avoid common scams, Access community database, Automatic dangerous number blocking

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Call Blocker 1-Month Shield | $4.99 | per month |
| One month subscription | $6.99 | per month |
| Call Blocker: 3M Shield | $9.99 | per 3 months |
| Free 1 week trial + 3 months | $9.99 | per 3 months |
| 50% Discount - Three months | $9.99 | per 3 months |
| Three months subscription | $14.99 | per 3 months |
| Free 1 week trial + 3 months | $14.99 | per 3 months |
| Call Blocker: 1 Year | $22.99 | per year |
| Call Blocker: 1 Year - 1 Free Week | $22.99 | per year |
| Call Blocker: 1 Year (50% Discount) | $22.99 | per year |

**What reviewers like**

- 🚀 Effective call blocker
- 👍 Easy to use
- 🔒 Blocks spam and scam calls
- 💡 Useful caller ID and lookup features

**What reviewers complain about**

- 🐛 Inconsistent performance, some calls still get through
- 🔍 Incomplete database of known scammers
- 💰 Paid version required for full functionality
- 📱 Doesn't integrate well with phone's built-in blocking

**Reported bugs**

- Database update errors
- Inability to block certain numbers

**Requested features**

- Automatic database updates
- Block calls from unknown/private numbers
- Integration with phone's native call blocking


### 2FA iAtomos

[App page](https://appshunter.io/ios/app/2fa-iatomos-authenticator/id6803874033)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Call Blocker free?

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

### Is 2FA iAtomos free?

2FA iAtomos is free to download, with no in-app purchases.

### Do Call Blocker or 2FA iAtomos have ads?

Call Blocker shows ads; 2FA iAtomos does not.

### Which is updated more often, Call Blocker or 2FA iAtomos?

Call Blocker ships an update monthly, and 2FA iAtomos every 8 days. Most recently, Call Blocker was updated on October 16, 2026 and 2FA iAtomos on October 11, 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.*