# RoboStopper Call Blocker vs Spam Call Blocker

The clearest difference is ads: Spam Call Blocker at none against RoboStopper Call Blocker's shown. RoboStopper Call Blocker's advantage is rating (3.2 vs 2.9) and ratings volume (35 vs 8). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. RoboStopper Call Blocker sells 4 in-app purchases, starting at $0.99 per month and Spam Call Blocker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RoboStopper Call Blocker holds the better App Store score, 3.2 against 2.9. Both are backed by a comparable volume of ratings — 35 and 8 respectively. Written reviews point the same way: 40% of RoboStopper Call Blocker's written reviews are positive against 36% of Spam Call Blocker's.

RoboStopper Call Blocker ships an update every 6 weeks, Spam Call Blocker every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | RoboStopper Call Blocker | Spam Call Blocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (35 ratings)](https://appshunter.io/ios/app/robostopper-call-blocker/id1468855457/reviews)** | [2.9 (8 ratings)](https://appshunter.io/ios/app/spam-call-blocker-batch-block/id1539106552/reviews) |
| Number of ratings | **35** | 8 |
| Positive reviews | **40.0% of reviews** | 36.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 68 MB | 3 MB |
| Requires iOS | **12.1** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Codehead Labs, LLC](https://appshunter.io/developer/1284177196) | [Solid PDF Ltd](https://appshunter.io/developer/1499927970) |

## What reviewers say

### RoboStopper Call Blocker

[App page](https://appshunter.io/ios/app/robostopper-call-blocker/id1468855457)

This service blocks unwanted automated and spam calls, ensuring only desired contacts can reach you. It offers layered defenses and allows you to set a price for marketers to contact you, turning unwanted calls into a potential revenue stream.

**Highlights:** Blocks 100% of robocalls, Layered defenses against spammers, Allows only contacts from address book, Set price for marketers to call, Bypass codes for unlisted contacts, 7-day free trial

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription (Lite) | $0.99 | per month |
| Monthly Subscription (Full) | $3.99 | per month |
| Annual Subscription (Lite) | $9.99 | per year |
| Annual Subscription (Full) | $29.99 | per year |


### Spam Call Blocker

[App page](https://appshunter.io/ios/app/spam-call-blocker-batch-block/id1539106552)

This app helps you manage unwanted calls by allowing you to create custom blacklists and whitelists. Block specific numbers or entire number segments to avoid spam and robocalls, while ensuring important calls are never missed. It also supports iCloud backup for seamless device switching.

**Highlights:** Custom blacklists and whitelists, Block number segments, Block up to 1 million numbers, Add numbers from recent calls, iCloud Auto Backup, Block cell and landline numbers

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent License | $0.99 | one-time |


## Frequently asked questions

### Is RoboStopper Call Blocker free?

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

### Is Spam Call Blocker free?

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

### Which has better reviews, RoboStopper Call Blocker or Spam Call Blocker?

RoboStopper Call Blocker is rated higher. RoboStopper Call Blocker averages 3.2 out of 5 from 35 ratings, while Spam Call Blocker averages 2.9 from 8 ratings.

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

RoboStopper Call Blocker shows ads; Spam Call Blocker does not.

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

RoboStopper Call Blocker ships an update every 6 weeks, and Spam Call Blocker every 2 months. Most recently, RoboStopper Call Blocker was updated on November 3, 2026 and Spam Call Blocker on November 3, 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.*