redONE Prepaid vs UnitMaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
redONE Prepaid
Manage your mobile account with ease. Check data usage, credit balance, and plan subscriptions. Purchase top-ups, value-added services, and explore promotions and rewards.
- View credit balance
- Check data usage
- Purchase data top-up
- Buy value-added services
- Access promotions
- View rewards
- Locate agents
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Conveniently access and manage your account anytime, anywhere with the redONE Prepaid app. This app allows you to check your Data Usage, Credit Balance, Plan Subscription, to perform Credit Top Up, Purchase Plans and Value-Added Services. Key Features: • View credit balance • Check data usage and balance • Purchase data top up • Purchase value-added services • Promotion • Rewards • Enquiry • Locate our agent
UnitMaster
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UnitMaster — Converter Tool is the easiest way to convert units across a wide range of categories — from everyday measurements to specialized technical units. Whether you’re a student, engineer, traveler, or just curious, UnitMaster gives you accurate results, fast and with a clean, intuitive interface. KEY FEATURES ALL-IN-ONE CONVERTER • Length, Weight, Temperature, Volume, Area, Time, Speed, Energy • 8+ categories with 100+ built-in units • Support for custom unit creation • Real-time conversion as you type SMART FAVORITES & HISTORY • Save frequently used conversions for instant access • Automatic conversion history tracking • Quick access to recent calculations • Never lose your important conversions again ADVANCED UNIT CALCULATOR • Chain multiple conversions together • Save complex calculation sequences • Built-in calculator for multi-step conversions • Perfect for engineering, cooking, and academic use BEAUTIFUL & INTUITIVE DESIGN • Modern, clean interface with smooth animations • Dark mode support for comfortable nighttime use • Optimized for both iPhone and iPad • Haptic feedback for satisfying interactions CUSTOM UNITS • Create your own custom units • Perfect for specialized needs and hobbies • Easy setup with base unit reference • Organize by category for quick access UNIVERSAL APP • Full iPad support with sidebar navigation • iPhone-optimized with tab bar interface • Works offline - no internet required • Lightweight and fast performance PERFECT FOR: Students & Educators - Academic calculations and homework Cooks & Bakers - Recipe conversions and measurements Engineers & Architects - Professional unit calculations Travelers - Currency-free unit conversions abroad Fitness Enthusiasts - Distance, weight, and energy conversions Professionals - Business and technical calculations CATEGORIES INCLUDED: • Length (meters, feet, inches, miles, kilometers) • Weight (grams, pounds, ounces, kilograms) • Temperature (Celsius, Fahrenheit, Kelvin) • Volume (liters, gallons, cups, milliliters) • Area (square meters, square feet, acres) • Time (seconds, minutes, hours, days) • Speed (km/h, mph, m/s, knots) • Energy (joules, calories, watt-hours) WHY CHOOSE CONVERTLY? 100% Free - No hidden costs or subscriptions Privacy First - No data collection, everything stays on your device Regular Updates - New features and units added frequently User-Friendly - Designed for everyone from beginners to experts Download Convertly today and experience the simplest, most powerful unit converter on the App Store. Say goodbye to confusing conversion websites and hello to instant, accurate results right at your fingertips!
Screenshots
Verdict
The clearest difference is price: redONE Prepaid at Free against UnitMaster's $0.99. redONE Prepaid also leads on update cadence (weekly vs every 5 months). UnitMaster's advantage is device support (3 vs 1). On ads, in-app purchases 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
redONE Prepaid is free to download; UnitMaster costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
redONE Prepaid ships an update weekly, UnitMaster every 5 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | redONE Prepaid | UnitMaster |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 19.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 200 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Red One Network Sdn. Bhd. | Harshad Jadav |
In-app purchases
redONE Prepaid
No in-app purchases
UnitMaster
No in-app purchases









