All Unit Conversion vs Proximity Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
All Unit Conversion
Easily convert between various units of measurement with this free utility app. It supports conversions for length, area, volume, mass, time, digital storage, energy, and currency.
- Length conversion
- Area conversion
- Volume conversion
- Mass conversion
- Time conversion
- Currency conversion
Read full descriptionHide full description
This is a simple and useful free unit converter - Length Converter - Area Converter - Volume Converter - Mass Converter - Time Converter - Digital Storage Converter - Energy Converter - Currency Converter
Proximity Lock
This app uses your phone's Bluetooth to automatically lock your computer when you walk away. It offers features like a siren alarm for public spaces and remote monitoring of your device's status. Enjoy enhanced data privacy with this efficient security solution.
- Automatic proximity-based computer locking
- Smart signal filtering to prevent accidental locks
- Work-aware mode that detects active usage
- Multi-device pairing for enhanced security
- Cafe mode with siren alarm and instant alerts
- Remote lock, status monitoring, and activity log
Read full descriptionHide full description
Walk Away. Your Computer Locks Automatically. Ever walked away from your desk at the office or a cafe and realized you left your computer unlocked? Meet Proximity Lock, the invisible bodyguard for your data. Using Bluetooth Low Energy (BLE), this app turns your iPhone into a smart security key. It automatically locks your computer or puts it to sleep the moment you step away, ensuring your private information stays private. Tutorial and download the macOS app here: https://tqtuan1201.github.io/public/apps/proximity/ KEY FEATURES 1. Proximity Auto-Lock • Fully Automatic: No manual input needed. Just carry your phone and walk away; your device locks instantly. • Smart Signal Filter: Advanced algorithms ignore brief signal interference, only locking when you have actually left the area. • Work-Aware: Detects active usage and will not lock your computer while you are typing or presenting. • Multi-Device Support: Pair multiple phones. The computer only locks when all paired devices are out of range. 2. Cafe Mode (Anti-Theft) Stepping away in a public space? Enable Cafe Mode for extra protection: • Siren Alarm: Triggers a loud alarm if someone tries to unplug, close, or move your device. • Instant Alerts: Receive real-time notifications on your phone the second suspicious activity is detected. 3. Remote Control & Monitoring • One-Tap Lock: Secure your computer manually with a single tap from your phone. • Status Monitor: Check battery levels and lock status remotely. • Activity Log: View a detailed timeline of security events and timestamps. WHY CHOOSE PROXIMITY LOCK? • Absolute Privacy: No accounts, no cloud. All connections stay local and encrypted between your devices. • Quick Setup: Pair your devices in seconds using a simple QR code. • Battery Efficient: Optimized for BLE to ensure minimal impact on your phone and computer battery life. REQUIREMENTS • Requires the companion app installed on both your iPhone and your Macbook . • Optimized for macOS.
Screenshots
Verdict
The clearest difference is review sentiment: All Unit Conversion at 50% against Proximity Lock's 0%. All Unit Conversion also leads on in-app purchases (none vs 1) and ratings volume (17 vs 1). Proximity Lock's advantage is rating (5.0 vs 4.6) and update cadence (every 9 days vs every 2 months). On price, ads, monetization model and iOS requirement 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. Proximity Lock sells 1 one-off in-app purchase. All Unit Conversion asks for nothing beyond the download.
Proximity Lock holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: All Unit Conversion has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 50% of All Unit Conversion's written reviews are positive against 0% of Proximity Lock's, so the app with the better star average is not the one people write more warmly about.
All Unit Conversion ships an update every 2 months, Proximity Lock every 9 days. The most recent releases landed on September 13, 2026 and September 3, 2026 respectively.
| Parameter | All Unit Conversion | Proximity Lock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (17 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 17 — better | 1 |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Tiago Do Couto | 12BAY TECHNOLOGY COMPANY LIMITED |
Customer experience
All Unit Conversion
Proximity Lock
In-app purchases
All Unit Conversion
No in-app purchases
Proximity Lock
- Pro Lifetime Access$6.99
Questions
Is All Unit Conversion free?
Is Proximity Lock free?
Which has better reviews, All Unit Conversion or Proximity Lock?
Do All Unit Conversion or Proximity Lock have ads?
Which is updated more often, All Unit Conversion or Proximity Lock?
Other comparisons
