# Ka vs Spam Call Blocker

The clearest difference is in-app purchases: Ka at none against Spam Call Blocker's 8. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Spam Call Blocker sells 8 in-app purchases, starting at $3.99 per 7 days. Ka asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ka | Spam Call Blocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (6 ratings)](https://appshunter.io/ios/app/spam-call-blocker-id-caller/id6469808434/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 78 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ka-ching ApS](https://appshunter.io/developer/1474762453) | [Gowalk - Fzco](https://appshunter.io/developer/1701769855) |

## What reviewers say

### Ka

[App page](https://appshunter.io/ios/app/ka-ching-secondscreen/id1474762949)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spam Call Blocker

[App page](https://appshunter.io/ios/app/spam-call-blocker-id-caller/id6469808434)

Identify unknown callers and block unwanted spam calls with real-time caller ID and advanced blocking features. Search over a billion numbers globally and keep your voicemail free from interruptions. Features a user-friendly interface for seamless call management.

**Highlights:** Caller ID Identification, Spam Block Functionality, Global Number Search, Voicemail Protection, Reverse Phone Lookup, User-Friendly Interface

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |
| Premium subscription | $7.99 | per 7 days |
| Premium subscription | $9.99 | per 7 days |
| Weekly | $9.99 | per 7 days |
| Yearly Premium | $9.99 | per year |
| Monthly | $19.99 | per month |
| Premium Subscription | $49.99 | per year |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Ka free?

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

### Is Spam Call Blocker free?

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

### Do Ka or Spam Call Blocker have ads?

Neither Ka nor Spam Call Blocker shows ads.

### Which is updated more often, Ka or Spam Call Blocker?

Ka ships an update every 2 months, and Spam Call Blocker every 2 months. Most recently, Ka was updated on October 29, 2026 and Spam Call Blocker 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.*