Unit Converter vs Optic Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter
Easily switch between metric and imperial measurements for length, area, mass, temperature, and more. This tool offers quick, accurate conversions with an intuitive interface and offline functionality.
- 15+ unit categories
- Metric and imperial support
- Quick and precise conversions
- Intuitive interface
- Conversion history
- Offline functionality
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Convertly: Your Ultimate Unit Converter Need to convert units quickly and accurately? Convertly makes it easy to switch between measurements with just a few taps. Whether you're converting length, area, mass, temperature, or speed, Convertly has you covered with a wide range of units and an intuitive interface. Key Features: Over 15+ unit categories (Length, Area, Mass, Time, Speed, Temperature & more) Quick and precise conversions Easy-to-use interface Support for both metric and imperial units Conversion history for quick access Works offline – no internet required Download Convertly and make unit conversions faster and easier than ever! Privacy Policy: https://shorturl.at/caL63 Terms of Service: https://shorturl.at/8OwnH
Optic Master
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Optic Master APP is a mobile application tool that connects and communicates with distance measurement equipment. It facilitates users to remotely control the equipment through Bluetooth connection with the equipment.
Screenshots
Verdict
The clearest difference is update cadence: Optic Master at daily against Unit Converter's every 13 months. Optic Master also leads on iOS requirement (15.0 vs 26.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Unit Converter ships an update every 13 months, Optic Master daily. Both last shipped on October 24, 2026.
| Parameter | Unit Converter | Optic Master |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 13 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Maarten Borsje | 威 何 |
In-app purchases
Unit Converter
No in-app purchases
Optic Master
No in-app purchases
Questions
Is Unit Converter free?
Is Optic Master free?
Do Unit Converter or Optic Master have ads?
Which is updated more often, Unit Converter or Optic Master?
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