Stop Calling vs Penguin Box
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stop Calling
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.
- Caller identification
- Spam call blocking
- Real-time call descriptions
- Updated database of suspicious numbers
- Protection from fraudulent calls
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Are you getting calls from unknown numbers? Do you wonder whether to pick up because you don't know if they might be fraudulent or harassing? This app will help you with that and protect you from unwanted calls. If one of these numbers calls you, you will see on your phone's display, in addition to the unknown number, a description of it, such as "Financial Services" or "Telemarketing." We continuously update the list of fraudulent and harassing numbers. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Penguin Box
Control and configure your smart lock using Bluetooth. Enjoy keyless access and convenient management of your smart lock directly from your mobile device.
- Keyless convenience
- Smart lock configuration
- Bluetooth access
- Mobile device management
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Give you keyless convenience and the ability to configure and access your smart lock via Bluetooth.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Stop Calling | Penguin Box |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 38.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Miroslav Baudys | Penguin Box s.r.o. |
Customer experience
Stop Calling
Penguin Box
In-app purchases
Stop Calling
- Buy me a coffee every month$0.991 Month
- Buy me a coffee$1.99
Penguin Box
No in-app purchases
Questions
Is Stop Calling free?
Is Penguin Box free?
Do Stop Calling or Penguin Box have ads?
Which is updated more often, Stop Calling or Penguin Box?
Other comparisons
