Remote4 vs SharpKnife Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Remote4
View your RTSP cameras in real-time and control connected devices with custom buttons. This free app allows for multiple camera feeds and interactive controls, ideal for IoT enthusiasts and home automation.
- Real-time RTSP camera viewing
- HTTP/HTTPS request buttons for device control
- Multi-camera support via VLC
- Customizable UI elements (buttons, text, emojis)
- Copy/paste controls for backup and sharing
- Remote configuration via JSON URL
- JSON data source integration
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Remote 4 is designed to view your RTSP Cameras on real time, while at the same time having buttons that send HTTP/HTTPS requests to, for example, open a garage door or turn a light on. Features: - FREE and No ads: this is a non profit app to be used by IOT enthusiasts and regular users around the world. - Ultra solid Multi Camera support: using VLC (very fast and reliable camera feeds) - UI elements: Buttons and Dynamic Text/Emoji labels. - Multiple Controls: You can have as many controls as you want and switch them from home screen. - Copy and Paste controls: To backup and share you controls with others - Configuration file: set up a json url to remotely config your controls. - Add JSON data sources and show information on your controls - Design controls with a simple yet powerful UI - Help button: with examples to learn how to use the app.
SharpKnife Pro
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SharpKnife is a utility that lets you define knife sharpening systems, creating a list of parameters that can be set for each sharpening session. You then add knife records, which support pictures of your knife. Once you have at least one knife and one sharpening system, you can begin keep track of when and how you sharpened each knife. This version allows backing up your data to iCloud, plus data export in JSON and CSV as well as an improved UI.
Screenshots
Verdict
The clearest difference is price: Remote4 at Free against SharpKnife Pro's $0.99. Remote4 also leads on iOS requirement (12.0 vs 17.5). SharpKnife Pro's advantage is update cadence (daily vs every 3 months). On ads, in-app purchases and device support 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
Remote4 is free to download; SharpKnife Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Remote4 ships an update every 3 months, SharpKnife Pro daily. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.
| Parameter | Remote4 | SharpKnife Pro |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.9 (25 ratings) — better | — |
| Positive reviews | 61.1% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Every 3 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 43 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Maximo Cavazzani | ANNULET CONSULTING, LLC |
In-app purchases
Remote4
No in-app purchases
SharpKnife Pro
No in-app purchases
Questions
Is Remote4 free?
Is SharpKnife Pro free?
Do Remote4 or SharpKnife Pro have ads?
Which is updated more often, Remote4 or SharpKnife Pro?
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