Conversion Calculator Plus vs Exchange, Currency & Cryptos
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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• 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
Exchange, Currency & Cryptos
Track exchange rates for over 250 currencies, including cryptocurrencies, with offline access. View historical charts, set custom notifications for price changes, and perform quick conversions. Includes a handy calculator for financial tasks.
- Offline exchange rates for 250+ currencies
- Cryptocurrency tracking (Bitcoin, Litecoin, etc.)
- Historical exchange rate charts
- Customizable price and hourly notifications
- Multi-currency conversion
- Formula calculator
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Includes exchange rates in over 250 currencies, including cryptocurrencies, and manage them in a single screen; you can also consult historic exchange charts, and set up notifications to stay up to date with the latest FOREX. Our App is designed for everyone... -- Are you traveling? No problem, no internet connection is required -- Do you need to make a calculation? Our app is here for you -- Want to know how the currency rates are changing over time? We have historical graphs for it. -- Are you a Cryptocurrency Fan? We have over 20 of them. Have our app send you notifications on your favorite currencies changes or at any hour or price change you select. Want to know more about our app? :) Our App's Coolest features: • We made the most functional design, easy to read and multi-theme, for day and night. • Create notifications based on currency price changes, or by any hour you decide • We made it so simple and fast to use that you’ll be able to get exchange conversions in just a couple of seconds. • Over 250 currencies including cryptocurrencies like Bitcoin, Litecoin, Etheremun, Ripple and even precious metals. • Real-time exchange rates. • Historic rate charts and graphs that go from 24 hours to 5 years. • Convert multiple currencies at once. • No internet connection is needed to use our app, and it is designed to work for every device with any software version. • We will constantly update our app to support a wider range of currencies. • Our app is meant for all users: travelers, students, teachers, financial analysts. • Includes a handy Formula Calculator, just add something like (5+5)/10*2 in the amount field and watch the magic happen. Our App Includes a Premium Option: • Premium Unlimited Notifications - Unlimited notifications by the hour & by price trigger, no ads & new themes. Download Now! *Currency Converter* for FREE in App Store! Give your mind a rest! The best foreign exchange app for FREE is here!!! Download *Exchange Rate Calculator* Now! Questions Concerns? Please contact us at contact@romerock.com. We respond to every inquiry.
Screenshots
Verdict
The clearest difference is update cadence: Conversion Calculator Plus at every 2 days against Exchange, Currency & Cryptos's every 5 weeks. Conversion Calculator Plus also leads on ratings volume (15K vs 365). Exchange, Currency & Cryptos's advantage is iOS requirement (13.0 vs 17.0). On price, rating, review sentiment and ads 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. Conversion Calculator Plus sells 1 in-app purchase, starting at $9.99 per year and Exchange, Currency & Cryptos sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Conversion Calculator Plus against 4.6 for Exchange, Currency & Cryptos. That said, the two scores are not equally well evidenced: Conversion Calculator Plus has 15K ratings behind it against 365, so its average is the more settled of the two. Written reviews split almost evenly too, at 70% and 71% positive.
Conversion Calculator Plus ships an update every 2 days, Exchange, Currency & Cryptos every 5 weeks. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.
| Parameter | Conversion Calculator Plus | Exchange, Currency & Cryptos |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (15K ratings) — better | 4.6 (365 ratings) |
| Positive reviews | 69.7% of reviews | 70.6% of reviews — better |
| Number of ratings | 15K — better | 365 |
| Update frequency | Every 2 days — better | Every 5 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod, Apple Watch — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 59 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Adysseus | Rome Rock LLC |
Customer experience
Conversion Calculator Plus
Exchange, Currency & Cryptos
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
Exchange, Currency & Cryptos
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Conversion Calculator Plus
- No Ads For One Year1 Year trial$9.991 Year
Exchange, Currency & Cryptos
- Pro Features By Tip 1$2.99
- Pro Features By Tip 2$4.99
- Pro Features By Tip 3$6.99





