Comparison

VerbinderApp Calendar vs Unit Conversion

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

Head to head
About

VerbinderApp Calendar

Easily schedule events with people from your phone contacts without needing email addresses or usernames. Send invitations directly, allow recipients to accept or decline, and sync plans with existing calendars. Ideal for coordinating casual meetups, appointments, and family gatherings.

Highlights
  • Invite from phonebook
  • Accept/decline event invitations
  • Create time polls
  • Use existing calendars
  • Private by design
  • Free for everyday planning
Features
Read full description

Plan events with your phone contacts. VerbinderApp is the calendar app that works with your phone contacts. Plan with your partner, family, friends, and groups without email addresses, usernames, or messy group chats. Send an event directly to someone from your phonebook. They can accept or decline, and the plan can be saved to the calendar they choose. Whether it’s a coffee catch-up, school meeting, doctor appointment, dinner with friends, family visit, workout, or birthday plan, VerbinderApp helps everyone stay in sync. Key Features Invite from your phonebook Choose people from your contacts and send plans without asking for email addresses. Tap Accept and it’s in your calendar Received events can be accepted, declined, and saved to the calendar you choose. Find a time together Create time polls and let everyone vote on what works best. Use the calendars you already have Connect your calendars, check availability, and choose where new plans are saved. Private by design Your personal calendar stays on your device. Delete your account, and your data is deleted too. Free for everyday planning No subscriptions. No hidden fees. Just simple planning with your people. Why VerbinderApp? Most calendars are built around email. VerbinderApp is built around the people already in your phone contacts. No more chasing someone to add a plan. No more searching for email addresses. No more planning everything in group chats. Just send the plan, let them accept, and keep everyone’s calendar up to date. VerbinderApp — plan with your people.

About

Unit Conversion

Features
Read full description

Unit Conversion Pro is your ultimate conversion companion, featuring 400+ categories and revolutionary AR measuring technology. Whether you're cooking, traveling, studying, or working, get instant accurate conversions at your fingertips. **Why Choose Unit Conversion Pro?** • Lightning-fast conversions with real-time calculations • AR Measuring: Use your camera to measure distances in the real world • 400+ conversion categories covering every need • Beautiful, intuitive interface designed for iOS • Works offline - no internet required • Regular updates with new units and features • Support for 27 languages worldwide **COMPLETE CATEGORIES & UNITS:** **Length**: Meter, Kilometer, Centimeter, Millimeter, Micrometer, Nanometer, Mile, Yard, Foot, Inch, Nautical Mile, Furlong, Chain, Fathom, Arpent, Dezimeter, Dekameter, Pol, Zoll, Fuss, Meilen **Mass/Weight**: Kilogram, Gram, Milligram, Microgram, Megagram, Metric Ton, Pound, Ounce, Stone, Short Ton, Long Ton, Dram, Grain, Quarter, Quintal, Short Hundredweight, Long Hundredweight, Decagram **Temperature**: Celsius, Fahrenheit, Kelvin, Rankine, Réaumur **Time**: Second, Minute, Hour, Day, Week, Month, Year, Decade, Century, Millisecond, Microsecond, Nanosecond **Area**: Square Meter, Square Kilometer, Square Centimeter, Square Mile, Square Yard, Square Foot, Square Inch, Hectare, Acre, Are, Decare, Arpent, Rai, Ngan, Tarang Wah **Volume**: Liter, Milliliter, Gallon (US), Gallon (Imperial), Quart, Pint, Cup, Fluid Ounce, Tablespoon, Teaspoon, Cubic Meter, Cubic Centimeter, Barrel, Hectoliter, Deciliter **Speed**: Meter/Second, Kilometer/Hour, Mile/Hour, Knot, Foot/Second, Mach, Kilometer/Minute, Mile/Minute **Energy**: Joule, Kilojoule, Calorie, Kilocalorie, Watt Hour, Kilowatt Hour, BTU, Electronvolt, Erg, Foot-Pound **Power**: Watt, Kilowatt, Megawatt, Horsepower, BTU/Hour, Calorie/Second, Erg/Second **Pressure**: Pascal, Bar, PSI, Atmosphere, Torr, mmHg, inHg, Kilopascal, Megapascal **Data Storage**: Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte, Kibibyte, Mebibyte, Gibibyte **Currency**: Real-time rates for 150+ world currencies **Fuel Efficiency**: MPG (US), MPG (Imperial), L/100km, km/L, Miles/Liter **Network Speed**: Mbps, Gbps, KB/s, MB/s, GB/s **Angle**: Degree, Radian, Gradian, Minute, Second, Turn, Quadrant **Force**: Newton, Kilonewton, Pound-Force, Kilogram-Force, Dyne, Kip **Torque**: Newton-Meter, Foot-Pound, Inch-Pound, Kilogram-Meter **Illuminance**: Lux, Foot-Candle, Phot, Nox **Radioactivity**: Becquerel, Curie, Rutherford, Roentgen, Sievert, Gray **Electric Current**: Ampere, Milliampere, Microampere, Kiloampere **Flow Rate**: Liter/Second, Liter/Minute, Gallon/Minute, Cubic Meter/Hour **SPECIALIZED CONVERTERS:** **Clothing Sizes**: International conversions for Shoes, Bra, Ring sizes **Running Pace**: Min/km, Min/mile, km/h, mph conversions **Date Calculator**: Calculate days between dates, add/subtract days **Time Zones**: Convert between world time zones **Dog Food**: Cups to grams for accurate pet feeding **Paper Weight**: GSM, Pound, Point conversions **Oven Temperature**: With cooking presets **Wire Gauge**: AWG with resistance calculations **Screw Sizes**: Metric and Imperial standards **SI Prefixes**: From yocto to yotta **Wind Speed**: Beaufort scale conversions **AR MEASURING FEATURES:** • Measure real-world distances using your camera • Calculate areas of rooms and surfaces • Save measurements for later reference • Share measurements with others • No additional tools required Perfect for students, engineers, chefs, travelers, DIY enthusiasts, and professionals. Unit Conversion Pro handles everything from everyday kitchen measurements to complex engineering calculations. Download Unit Conversion Pro today and never struggle with conversions again! Premium features coming soon!

Screenshots

VerbinderApp Calendar4 screens
Unit Conversion4 screens

Verdict

The call

The clearest difference is ads: VerbinderApp Calendar at none against Unit Conversion's shown. Unit Conversion's advantage is iOS requirement (17.6 vs 26.0). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
VerbinderApp Calendar versus Unit Conversion: the parameters behind the verdict, then further details
ParameterVerbinderApp CalendarUnit Conversion
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyFortnightly—
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS26.017.6 — better
Further details — not scored
Size45 MB55 MB
Age rating4+4+
DeveloperVerbinderApp UG (haftungsbeschraenkt)Ricardo Contente

In-app purchases

None

VerbinderApp Calendar

No in-app purchases

None

Unit Conversion

No in-app purchases

Questions

Is VerbinderApp Calendar free?
VerbinderApp Calendar is free to download, with no in-app purchases.
Is Unit Conversion free?
Unit Conversion is free to download, with no in-app purchases.
Do VerbinderApp Calendar or Unit Conversion have ads?
Unit Conversion shows ads; VerbinderApp Calendar does not.

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