# Stop Calling vs Concept Robot

The clearest difference is in-app purchases: Concept Robot at none against Stop Calling's 2. Concept Robot also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.6). Stop Calling's advantage is update cadence (every 11 days vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Stop Calling sells 2 in-app purchases, starting at $0.99 per month. Concept Robot asks for nothing beyond the download.

Stop Calling ships an update every 11 days, Concept Robot every 3 months. The most recent releases landed on September 29, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Stop Calling | Concept Robot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/stop-calling/id1223417298/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 38.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 32 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Miroslav Baudys](https://appshunter.io/developer/1065339489) | [Jindrich Valenta - Concept](https://appshunter.io/developer/1409588876) |

## What reviewers say

### Stop Calling

[App page](https://appshunter.io/ios/app/stop-calling/id1223417298)

Identify unknown callers and protect yourself from fraudulent or annoying calls. See descriptions of incoming calls, such as "Financial Services" or "Telemarketing," directly on your screen. The database of suspicious numbers is constantly updated.

**Highlights:** Caller identification, Spam call blocking, Real-time call descriptions, Updated database of suspicious numbers, Protection from fraudulent calls

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee every month | $0.99 | per month |
| Buy me a coffee | $1.99 | one-time |


### Concept Robot

[App page](https://appshunter.io/ios/app/concept-robot/id1505723243)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stop Calling free?

Stop Calling is free to download, with in-app purchases available.

### Is Concept Robot free?

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

### Do Stop Calling or Concept Robot have ads?

Neither Stop Calling nor Concept Robot shows ads.

### Which is updated more often, Stop Calling or Concept Robot?

Stop Calling ships an update every 11 days, and Concept Robot every 3 months. Most recently, Stop Calling was updated on September 29, 2026 and Concept Robot on September 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.*