Comparison

Remote4 vs SharpKnife Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

SharpKnife Pro

Features
Read full description

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

Remote44 screens
SharpKnife Pro4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

Remote4 ships an update every 3 months, SharpKnife Pro daily. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 7 level
Remote4 versus SharpKnife Pro: the parameters behind the verdict, then further details
ParameterRemote4SharpKnife Pro
PriceFree — better$0.99
Rating3.9 (25 ratings) — better—
Positive reviews61.1% of reviews—
Number of ratings25 — better—
Update frequencyEvery 3 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.5
Further details — not scored
Size43 MB6 MB
Age rating4+4+
DeveloperMaximo CavazzaniANNULET CONSULTING, LLC

In-app purchases

None

Remote4

No in-app purchases

None

SharpKnife Pro

No in-app purchases

Questions

Is Remote4 free?
Remote4 is free to download, with no in-app purchases.
Is SharpKnife Pro free?
SharpKnife Pro costs $0.99, with no in-app purchases.
Do Remote4 or SharpKnife Pro have ads?
Neither Remote4 nor SharpKnife Pro shows ads.
Which is updated more often, Remote4 or SharpKnife Pro?
Remote4 ships an update every 3 months, and SharpKnife Pro daily. Most recently, Remote4 was updated on September 24, 2026 and SharpKnife Pro on September 30, 2026.

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