Metric Conversion tool vs Tool in the Cockpit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Metric Conversion tool
This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.
- Offline functionality
- Over 30,000 unit conversions
- 160+ currencies with live rates
- Save favorite conversions
- Answers in fractions
- Up to 5 decimal places
Read full descriptionHide full description
Unit converter App from the most popular metric conversions website in the world, metric-conversions.org. Over a billion visitors have used our website, try our app and see why we're so popular! FEATURES: Easy to use clear interface Works offline All popular unit conversions (over 30,000 of them) Over 160 currencies (including Bitcoin and other cryptocurrencies) with live exchange rates Store your favorite conversions for quick access Answers in fractions where needed. Obtain conversion results with up to 5 decimal places Imperial units split into other imperial units – so you can get a weight in stones and pounds, pounds and ounces, etc. Lengths break down into feet and inches, etc. WEIGHT: Kilograms, Pounds, Stones, Ounces, Grams, Carats, Grains, Hundredweights, Micrograms.Milligrams, Ounces, Pennyweights, Tons, Troy pounds, Troy ounces TEMPERATURE: Celsius, Fahrenheit, Kelvin, Rankine, Newton, Réaumur, Rømer, Delisle. LENGTH: Miles, Yards, Feet, Inches, Kilometers, Meters, Centimeters, Chains, Decimeters, Furlongs, Leagues, Lightyears, Microinches, Microns, Millimeters, Parsecs, Nautical Leagues, Nautical Miles. AREA: Square Miles, Acres, Square Yards, Square Feet, Square Inches, Square Kilometers, Hectares, Square Meters, Square Centimeters, Square Millimeters, Square Microns, Square Microinches. VOLUME: Cups, Tablespoons, Teaspoons, Gallons, Pints, Gills, Ounces , Cubic Meters, Liters, Centiliters, Milliliters, Cubic Yards, Barrels, Quarts, Gills. SPEED: Miles per hour, Kilometers per hour, Meters per second, Knots, Mach, Light speed and more. TIME: Seconds, Minutes, Hours, Days. ANGLE: Degrees, Radians, Minutes (Angular), Seconds (Angular), Centrad, Gradians, Milliradians, Sign PRESSURE: Atmospheres, Bar, Pascals, Pound Force per Square Inch, Inches of Mercury, Inches of Water, Kilogram Force per Square Meter, Millibar, Millimeters of Mercury, Millimeters of Water, Newtons per Meter Squared, Pounds per Square Foot, Torrs CURRENCY: All state sponsored world currencies as well as major crypto-currencies. If you need anything added, email us at appcontact@metric-conversions.org and we'll do our best to put them in for you!
Tool in the Cockpit
This app provides essential performance and weight & balance calculations for helicopter pilots. It offers in-flight data, METARs/TAFs, and warning light references, simplifying preflight and in-flight routines for a more focused and professional flying experience.
- In-flight performance calculations
- Weight & balance for multiple helicopter models
- METARs and TAFs access
- Warning light references
- Offline unit converter
- Auto-generated PDF navigation logs
Read full descriptionHide full description
The essential performance and weight & balance app for helicopter pilots. Built by a commercial helicopter pilot for Robinson 22, 44, 66, Eurocopter AS350, H125, EC120, EC130, Bell 206, 407, and AW119 operators. A pilot’s app that feels like a cockpit upgrade. Built by a commercial helicopter pilot for others who love flying and love great tools. Tool in the Cockpit simplifies your preflight and in-flight routine — not just to save time, but to make flying more focused, more enjoyable, and more professional. Key features include: In-flight screen with relative wind, hover ceilings, density altitude, power limits, Vne, and more Weight & balance for R22, R44, R66, AS350 B2, H125 B3+, Bell 407, EC120, EC130 and AW119 Sign, save, and email W&B sheets in seconds METARs and TAFs in two taps — enter ICAOs, hit send, and print Warning light references pulled straight from the POH HIGE / HOGE Hover ceiling charts Fuel and weight shown in kg, lbs, litres, gallons, and percent Offline unit converter with all the aviation-specific tools you need Auto-generated PDFs for nav logs As a working pilot, you know how fast things change — extra luggage, a fuel top-up, a last-minute detour. This app lets you recalculate performance or W&B right there in the cockpit, without switching apps or flipping through paper. Whether you’re flying an R22 or a B3, training or flying charters, Tool in the Cockpit keeps your flying sharp, confident, and stress-free. R22 and AS350 are always free. For R44, R66, and other machines start a free trial and unlock full capability.
Screenshots
Verdict
The clearest difference is in-app purchases: Metric Conversion tool at none against Tool in the Cockpit's 9. Metric Conversion tool also leads on ratings volume (15K vs 18). Tool in the Cockpit's advantage is ads (none vs shown) and review sentiment (100% vs 69%). On price, rating, 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. Tool in the Cockpit sells 8 in-app purchases, starting at $3.99 per year. Metric Conversion tool asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for Metric Conversion tool against 4.7 for Tool in the Cockpit. That said, the two scores are not equally well evidenced: Metric Conversion tool has 15K ratings behind it against 18, so its average is the more settled of the two. Written reviews are what separate them: 69% of Metric Conversion tool's written reviews are positive against 100% of Tool in the Cockpit's.
Metric Conversion tool ships an update fortnightly, Tool in the Cockpit every 5 days. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.
| Parameter | Metric Conversion tool | Tool in the Cockpit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (15K ratings) — better | 4.7 (18 ratings) |
| Positive reviews | 69.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 15K — better | 18 |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.6 |
| Further details — not scored | ||
| Size | 57 MB | 342 MB |
| Age rating | 4+ | 4+ |
| Developer | Wight Hat | Nicholas Bradley |
Customer experience
Metric Conversion tool
Tool in the Cockpit
Bugs and requests
Metric Conversion tool
Reported bugs
2 issues- Temperature conversion displaying incorrect values
- Ads triggering false memory full warnings
Requested features
3 requests- Paid version to remove ads
- Option to display results in preferred format
- Speed conversion (mph, km/h, etc.)
Tool in the Cockpit
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Metric Conversion tool
No in-app purchases
Tool in the Cockpit
- Bell 206 W&B$3.991 Year
- Unlock R44 Monthly7 Days trial$3.991 Month
- Upgrade Monthly7 Days trial2 variants$3.991 Month
Show 5 moreShow fewer
- B407 W&B7 Days trial$3.991 Year
- EC130 W & B7 Days trial$3.991 Year
- Unlock R44 (1 Year)7 Days trial$17.991 Year
- Unlock R667 Days trial$17.991 Year
- Unlock AW1197 Days trial$17.991 Year






