ConvertWatch vs Flip Unit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ConvertWatch
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Need to convert units on the go, without pulling out your phone? ConvertWatch makes it effortless. Designed specifically for Apple Watch, it uses the digital crown for quick and intuitive input, just scroll and convert. With over 70 units across 10 categories, you'll never find yourself stuck! Supported Categories: - Length - Weight - Temperature - Volume - Speed - Time - Area - Pressure - Energy - Data Features: - Lightning-fast rotary input - Clean, haptic-rich interface - 100% offline – perfect for travel or work - Works as a standalone watch app - No ads, no tracking, no signup ConvertWatch is perfect for fitness tracking, cooking, travel, and everyday quick conversions. Whether you're abroad, in the gym, or in the kitchen, keep it on your wrist - always ready, always fast.
Flip Unit
Easily convert units across 12 categories including cooking, currency, and distance. Access conversions on your iPhone, Apple Watch, and home screen widgets. This app offers a clean interface and works offline for most conversions.
- 12 conversion categories
- Apple Watch app and complications
- iPhone home screen widgets
- Offline conversion (except currency)
- No ads or tracking
- iCloud sync
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Flip Unit: The unit converter built for everyone. Convert across 12 categories — cooking, distance, temperature, weight, area, volume, currency, pressure, power, speed, data, and fuel consumption — on your iPhone, Apple Watch, home screen, and lock screen. All for free. No ads, no tracking, no account required. NEW IN VERSION 2.0 • Apple Watch app — full converter on your wrist with haptic feedback • 12 Apple Watch complications — one-tap access to any category right from your watch face • 7 widgets for iPhone — quick-launch any category from your home screen, plus live currency rates on home and lock screens • iCloud sync — preferences and history across your iPhones and iPads, invisibly • 5 new categories: Pressure, Power, Speed, Data Storage, Fuel Consumption • Background rate refresh — currency widgets stay up to date without opening the app CONVERSIONS INCLUDED • Area — square feet, meters, acres, hectares • Cooking — cups, ml, tablespoons, grams, with ingredient-specific weights for flour, sugar, rice, butter, and more • Currency — 162+ currencies with live rates • Data / Storage — KB, MB, GB, TB (decimal and binary) • Distance — miles, km, feet, meters • Fuel Consumption — MPG (US & UK), L/100km, km/L • Power — watts, kilowatts, horsepower • Pressure — PSI, bar, atmospheres, pascal • Speed — mph, km/h, knots, m/s • Temperature — Fahrenheit, Celsius, Kelvin • Volume — litres, gallons, pints, fluid ounces (US & Imperial) • Weight — lbs, kg, ounces, grams WHY FLIP UNIT? • Lightning fast • Remembers your last-used units per category, on every device • Clean, simple interface • Works offline (except currency rates) • No account required • No ads or tracking Perfect for cooking, travel, business, home improvement, and everyday use. ACCESSIBILITY FIRST Flip Unit is designed for blind and low-vision users from the ground up. Full VoiceOver support, haptic feedback on iPhone and Apple Watch, Reduce Motion awareness, Dynamic Type, and WCAG AA contrast.
Screenshots
Verdict
The clearest difference is price: Flip Unit at Free against ConvertWatch's $1.99. ConvertWatch's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On ads and in-app purchases 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
Flip Unit is free to download; ConvertWatch costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ConvertWatch | Flip Unit |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | — | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | George King | SIRAJ SALIM |
In-app purchases
ConvertWatch
No in-app purchases
Flip Unit
No in-app purchases









