Centaurus & Device Application vs Unitary Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Centaurus & Device Application
This utility app pairs with a smart device to let you control its functions. You can view and change settings, and even upload custom wallpapers to sync with your device.
- Connect to smart device
- View and modify function parameters
- Switch wallpapers
- Upload custom wallpapers
- Sync with device
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Centaurus is the companion app for the smart device BT200. After connecting the device, you can view and modify the function parameters, switch or upload wallpapers to sync with the BT200 device.
Unitary Converter
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Unitary is a beautifully designed offline unit converter and calculator. Convert between hundreds of units across 35+ categories — core conversions work without internet. ### What's New in v2.2 • New app icon — bold U with conversion arrows • 35+ categories including angle, pace, torque, blood glucose, compound interest • Optional Remove Ads purchase — one-time, no subscription • Light banner on main screens; optional rewarded video in Settings • Favorites strip, history tap-to-reopen, decimal precision control • 7 languages with full unit label support • Beden/yüzük, world clock, recipe scaler, wind chill & more ### 35+ Categories & Tools **Converters:** Length, Mass, Volume, Temperature, Area, Speed, Data, Time, Energy, Power, Pressure, Fuel, Cooking, Shoes, Typography, Numeral, Angle, Pace, Frequency, Illuminance, Torque, Density, Ring Size, Clothing Size, Blood Glucose **Tools:** Discount, Tip, BMI, Age, Currency, World Clock, Feet & Inches, Percentage, Wind Chill, Recipe Scaler, Countdown, Compound Interest ### Privacy & Data • Conversions and history stored locally on your device • No account required • Optional ads support the free version — remove anytime via in-app purchase • Privacy Policy: https://z0iq.com/unitary_privacy.html ### Personalization • 7 Languages: English, French, German, Spanish, Italian, Portuguese, Turkish • Light, Dark, and System themes • Pin categories, save favorite pairs, conversion history • Configurable haptic feedback and decimal precision Whether you're cooking, traveling, studying, or working — Unitary has you covered.
Screenshots
Verdict
The clearest difference is in-app purchases: Centaurus & Device Application at none against Unitary Converter's 1. Centaurus & Device Application also leads on ads (none vs shown) and update cadence (every 8 days vs every 2 months). On price, device support 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. Unitary Converter sells 1 one-off in-app purchase. Centaurus & Device Application asks for nothing beyond the download.
Centaurus & Device Application ships an update every 8 days, Unitary Converter every 2 months. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.
| Parameter | Centaurus & Device Application | Unitary Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 8 days — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 46 MB | 18 MB |
| Age rating | 17+ | 4+ |
| Developer | 志强 古 | Hakan Buran |
In-app purchases
Centaurus & Device Application
No in-app purchases
Unitary Converter
- Remove Ads$2.99
Questions
Is Centaurus & Device Application free?
Is Unitary Converter free?
Do Centaurus & Device Application or Unitary Converter have ads?
Which is updated more often, Centaurus & Device Application or Unitary Converter?
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