# Stop Calling vs Penguin Box

The clearest difference is review sentiment: Stop Calling at 38% against Penguin Box's 0%. Stop Calling also leads on update cadence (every 6 days vs every 6 weeks). Penguin Box's advantage is in-app purchases (none vs 2) and device support (3 vs 1). 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. Penguin Box asks for nothing beyond the download.

Stop Calling ships an update every 6 days, Penguin Box every 6 weeks. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Stop Calling | Penguin Box |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 10 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Miroslav Baudys](https://appshunter.io/developer/1065339489) | [Penguin Box s.r.o.](https://appshunter.io/developer/1597446825) |

## 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 |


### Penguin Box

[App page](https://appshunter.io/ios/app/penguin-box/id1597446823)

Control and configure your smart lock using Bluetooth. Enjoy keyless access and convenient management of your smart lock directly from your mobile device.

**Highlights:** Keyless convenience, Smart lock configuration, Bluetooth access, Mobile device management

**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 Penguin Box free?

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

### Do Stop Calling or Penguin Box have ads?

Neither Stop Calling nor Penguin Box shows ads.

### Which is updated more often, Stop Calling or Penguin Box?

Stop Calling ships an update every 6 days, and Penguin Box every 6 weeks. Most recently, Stop Calling was updated on October 15, 2026 and Penguin Box on October 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.*