Comparison

UnitFlow vs FoldMetry

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

UnitFlow

Features
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Convert miles to kilometers, pounds to kg, ounces to grams, and Fahrenheit to Celsius instantly. Perfect for switching between metric and imperial systems and for converting between multiples and submultiples of the same unit. Works completely offline. UnitFlow is ideal for travel, study, and working with international measurements or content from countries using different measurement systems. CONVERSIONS BETWEEN SYSTEMS - Miles ↔ Kilometers - Pounds ↔ Kilograms - Ounces ↔ Grams - Gallons ↔ Liters - Fahrenheit ↔ Celsius - Feet and inches ↔ Centimeters - Miles per hour ↔ km/h - Knots ↔ km/h CONVERSIONS WITHIN THE SAME UNIT Also supports conversions between multiples and submultiples: - Meters, centimeters, millimeters - Kilograms, grams, milligrams - Liters and milliliters - Hours, minutes, seconds FREE CATEGORIES (7) - Length - Weight - Volume - Area - Temperature - Speed - Time PREMIUM CATEGORIES With one-time purchase (no subscription), unlock 7 additional categories: - Pressure (bar, psi, pascal, atmospheres) - Energy (joules, calories, kilowatt-hours) - Voltage (volts, millivolts, kilovolts) - Current (amperes, milliamperes) - Power (watts, kilowatts, horsepower) - Digital Data (bytes, KB, MB, GB, TB) - Data Transfer Rate (bit/s, kbit/s, Mbit/s, Gbit/s) MULTILINGUAL SUPPORT UnitFlow is available in 6 languages: Italian, English, French, German, Spanish, and Japanese. From the developer of CurrencyFlow.

About

FoldMetry

Features
Read full description

Open your iPhone Duo. See the angle at a glance. FoldMetry puts the current hinge angle front and center. The number moves as your device opens and closes, with a clean display that stays out of your way. Have a position in mind? Set a target angle and feel a gentle tap when you reach it. Save more than one for the angles you use often. The app follows your device’s Light or Dark appearance, and measurements stay on your device. All measuring features are free. If FoldMetry earns a spot in your day, you can leave a one-time tip to support its independent development. Tips don’t unlock extra features. Hinge angle measurement is available only on iPhone Duo. Other iPhones and iPad can view device support information but cannot measure hinge angles.

Screenshots

UnitFlow4 screens

Verdict

The call

The clearest difference is ads: FoldMetry at none against UnitFlow's shown. On price, in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. UnitFlow sells 1 one-off in-app purchase and FoldMetry sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 7 level
UnitFlow versus FoldMetry: the parameters behind the verdict, then further details
ParameterUnitFlowFoldMetry
PriceFreeFree
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 6 days
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.2 — better27.1
Further details — not scored
Size15 MB5 MB
Age rating4+4+
DeveloperAntonio Cetrangolo亚军 胡

In-app purchases

1 purchases

UnitFlow

One-time1
  • UnitFlow Premium$2.99
1 purchases

FoldMetry

One-time1
  • Optional Developer Support$0.99

Questions

Is UnitFlow free?
UnitFlow is free to download, with in-app purchases available.
Is FoldMetry free?
FoldMetry is free to download, with in-app purchases available.
Do UnitFlow or FoldMetry have ads?
UnitFlow shows ads; FoldMetry does not.

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