Comparison

Conversion Calculator Plus vs SWM Vault

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

SWM Vault

Securely store, access, and share all your files from one central location. Enjoy offline access and robust security features like fingerprint and Face ID compatibility. Keep your data safe with cloud backup and real-time search.

Highlights
  • Centralized file storage
  • Access files anywhere
  • Secure file sharing
  • Offline access
  • Secure cloud backup
  • Fingerprint/Face ID support
  • Real-time search
  • Encrypted files
Features
Read full description

Key Features: • All your files in one central location • Access your files wherever you are • Secure file sharing • Offline access • Secure cloud back-up • Fingerprint and Face ID compatible • Real-time search • Create and manage folders • High quality file viewer • Push notifications • Files are always encrypted • Multi-Factor authentication

Screenshots

Conversion Calculator Plus4 screens
SWM Vault3 screens

Verdict

The call

The clearest difference is in-app purchases: SWM Vault at none against Conversion Calculator Plus's 1. SWM Vault also leads on ads (none vs shown) and review sentiment (100% vs 70%). Conversion Calculator Plus's advantage is update cadence (every 2 days vs every 2 months). On price 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. Conversion Calculator Plus sells 1 in-app purchase, starting at $9.99 per year. SWM Vault asks for nothing beyond the download.

UpkeepUpdate frequency

Conversion Calculator Plus ships an update every 2 days, SWM Vault every 2 months. The most recent releases landed on November 1, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 4 level
Conversion Calculator Plus versus SWM Vault: the parameters behind the verdict, then further details
ParameterConversion Calculator PlusSWM Vault
PriceFreeFree
Rating4.7 (15K ratings) — better—
Positive reviews69.7% of reviews100.0% of reviews — better
Number of ratings15K — better—
Update frequencyEvery 2 days — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size59 MB3 MB
Age rating4+4+
DeveloperAdysseusMy Wealth Cloud

Customer experience

Conversion Calculator Plus

All ratings15,343 ratings
Positive94.6%
Neutral2.8%
Negative2.6%
Written reviews198 reviews
Positive69.7%
Neutral4.5%
Negative25.8%

SWM Vault

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

SWM Vault

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
None

SWM Vault

No in-app purchases

Questions

Is Conversion Calculator Plus free?
Conversion Calculator Plus is free to download, with in-app purchases available.
Is SWM Vault free?
SWM Vault is free to download, with no in-app purchases.
Do Conversion Calculator Plus or SWM Vault have ads?
Conversion Calculator Plus shows ads; SWM Vault does not.
Which is updated more often, Conversion Calculator Plus or SWM Vault?
Conversion Calculator Plus ships an update every 2 days, and SWM Vault every 2 months. Most recently, Conversion Calculator Plus was updated on November 1, 2026 and SWM Vault on October 9, 2026.

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