Comparison

Conversion Calculator Plus vs Incidents

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

Head to head
About

Conversion Calculator Plus

This app is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.

Highlights
  • Unit and currency conversion
  • Supports 160+ currencies (real & crypto)
  • Automatic currency exchange rate updates
  • Simple or carousel design options
  • Dark Mode support
  • Customizable home screen layout
  • Split screen mode on iPad
Features
Read full description

• No full-page ads. • App works without internet. • Rates Saved for Offline use. • Real-time rates updated every minute. • Fast, accurate conversions across 685 units. • Hide unused units, currencies and categories. • Built-in calculator with +, −, ×, ÷, ( and ). • Supports both light and dark appearance. • Custom Home Screen Widgets. Premium Required • Use Siri to convert. Premium Required • Conversions automatically saved to History. • Save all your favorite conversions in 1 place • Interactive rate charts from 1 day to 5 years, plus all available history. • Expand charts to full screen, pinch to zoom, pan and inspect past rates. ----------------------------------------- ALL CONVERSION CATEGORIES COMMON CATEGORIES Pace, Temperature, Data, Currency, Length, Time, Speed, Area, Volume, Pressure, Power, Fuel Economy and Weight. CURRENCIES, CRYPTO & METALS Convert all world currencies, 125 cryptocurrencies and tokens—including Bitcoin, Ethereum and Tether—and four precious metals: gold, silver, platinum and palladium. Compare multiple currencies in one list with Currency+. NUMBERS & GEOMETRY Angle and Amount. PERSONAL & HEALTH Shoe Sizes, Ring Sizes and Blood Sugar. MOTION & MECHANICS Acceleration, Angular Acceleration, Force, Torque, Energy and Moment of Inertia. FLUIDS & MATERIALS Flow, Density, Viscosity, Kinematic Viscosity, Surface Tension, Permeability, Mass Flux Density and Specific Volume. TEMPERATURE & HEAT Temperature Interval, Thermal Conductivity, Specific Heat Capacity, Heat Density, Heat Flux Density, Heat Transfer Coefficient and Thermal Expansion. ELECTRICITY & MAGNETISM Current, Voltage, Charge, Resistance, Capacitance, Inductance, Conductance, Linear Charge Density, Surface Charge Density, Volume Charge Density, Linear Current Density, Surface Current Density, Electric Field Strength, Electric Resistivity, Electric Conductivity, Magnetic Flux (Magnet), Magnetic Field Strength, Magnetic Flux Density and Magnetomotive Force. LIGHT & SOUND Luminance, Illumination, Luminous Intensity, Sound and Frequency. DATA & DESIGN Data Transfer Rate, Image and Typography. CHEMISTRY & RADIATION Molar Concentration, Molar Mass, Molar Flow Rate, Radiation, Radioactivity and Exposure. PREMIUM Premium is an optional auto-renewing annual subscription. It removes banner ads, gives you more screen space, and unlocks interactive Home Screen widgets and Siri conversions. Payment is charged to your Apple Account when you confirm the purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple Account settings. The price is shown before you confirm. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://developer-yl.github.io/convert-units-plus/privacy.html

About

Incidents

Features
Read full description

This application provides a private database of geographically located Incidents and a collection of associated photos, that can be created by the User It is primary targeted at anyone who needs to make photographic records of something tied to a geographic location. After 30 days of use you will be asked for an auto-renewing subscription. The subscription will allow continued unrestricted use of the application. If you choose not to pay for the subscription, the app will terminate You can choose either a 6 month subscription or a 30 days subscription. This is no price advantage in either option. Terms of use for auto-renewing subscriptions are stated at http://incidents.petershevill.com/TermsOfUse.html. They are the standard Apple Terms of Use for subscriptions, please refer to the Apple Store for details, they are summarised below: – Payment will be charged to iTunes Account at confirmation of purchase – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable A link to my privacy policy can be found within the app about information. In summary I store no personnel information beyond email address of those who email the support email. Refer to http://petershevill.com/Privacy_Policy_Peter_Shevill.htm

Screenshots

Conversion Calculator Plus4 screens
Incidents4 screens

Verdict

The call

The clearest difference is ads: Incidents at none against Conversion Calculator Plus's shown. Conversion Calculator Plus's advantage is update cadence (every 2 days vs every 5 weeks). 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. Conversion Calculator Plus sells 1 in-app purchase, starting at $9.99 per year and Incidents sells 2 in-app purchases, starting at $0.49 per 6 months. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Conversion Calculator Plus ships an update every 2 days, Incidents every 5 weeks. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Conversion Calculator Plus versus Incidents: the parameters behind the verdict, then further details
ParameterConversion Calculator PlusIncidents
PriceFreeFree
Rating4.7 (15K ratings) — better—
Positive reviews69.7% of reviews—
Number of ratings15K — better—
Update frequencyEvery 2 days — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size59 MB3 MB
Age rating4+4+
DeveloperAdysseusPeter Shevill

Bugs and requests

Conversion Calculator Plus

Reported bugs

3 issues
  • Currency conversion not working
  • App gets stuck on consent page
  • Unable to get past ads/subscription page

Requested features

3 requests
  • Add running pace conversions
  • Add shoe size converter
  • Provide paid ad-free version

Incidents

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Conversion Calculator Plus

Subscriptions1
  • No Ads For One Year1 Year trial$9.991 Year
2 purchases

Incidents

Subscriptions2
  • 6 Month App Subscription1 Month trial$0.496 Months
  • 12 Month Subscription1 Month trial$1.491 Year

Questions

Is Conversion Calculator Plus free?
Conversion Calculator Plus is free to download, with in-app purchases available.
Is Incidents free?
Incidents is free to download, with in-app purchases available.
Do Conversion Calculator Plus or Incidents have ads?
Conversion Calculator Plus shows ads; Incidents does not.
Which is updated more often, Conversion Calculator Plus or Incidents?
Conversion Calculator Plus ships an update every 2 days, and Incidents every 5 weeks. Most recently, Conversion Calculator Plus was updated on October 27, 2026 and Incidents on October 7, 2026.

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