Comparison

Swap + vs NullRate FX Converter

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

Head to head
About

Swap +

Features
Read full description

Swap is your all-in-one currency converter and VAT calculator, designed for travelers, business professionals, and anyone who deals with international money. CURRENCY CONVERTER • Live exchange rates updated in real time • 150+ world currencies supported • Quick amount buttons for fast calculations • One-tap currency swap • Copy results instantly to clipboard • Clean, intuitive numpad for easy input VAT / TAX CALCULATOR • Calculate VAT for 100+ countries worldwide • Switch between tax-inclusive and tax-exclusive modes • See detailed breakdowns: net amount, VAT amount, and total • Multiple VAT rates per country supported • Custom VAT rate option for flexibility • Share detailed VAT calculations as images DESIGNED FOR EVERYONE • 50+ languages supported — use the app in your native language • Adaptive layout for all iPhone and iPad sizes • Light and dark mode with automatic system detection • Smooth animations and modern iOS design • Built-in numpad — no keyboard needed • Works offline with cached rates PERFECT FOR • International travelers converting money abroad • Business owners calculating taxes across borders • Freelancers working with international clients • Shoppers comparing prices in different currencies • Anyone who needs quick, accurate currency conversions Swap is free to download and use. Start converting currencies and calculating VAT today.

About

NullRate FX Converter

Read full description

NullRate is a fast currency converter made for travel, shopping, tipping, and everyday exchange-rate checks. Convert prices between 167+ currencies with daily FX rates, a clean keypad, and a home-screen widget that keeps your favorite currency pair one glance away. Whether you are buying coffee, checking a dinner bill, paying for a taxi, booking a hotel, or shopping abroad, NullRate helps you understand the real price instantly. Built for travelers, expats, digital nomads, and anyone who needs quick currency conversion without clutter. Why use NullRate? • Convert 167+ world currencies • Daily FX rates refreshed from a trusted provider • Fast calculator with a clean keypad • Home-screen widget for your favorite currency pair • Search currencies and countries in 45 languages • Supports native scripts like Arabic, Hindi, Japanese, Chinese, and more • Choose from 5 number formats, including 1,000.00, 1.000,00, 1 000,00, 1,00,000.00, and 1’000.00 • Light and dark mode designed for iPhone Use NullRate for: • Travel budgeting • Restaurant bills and tips • Taxi fares • Hotel prices • Shopping abroad • Comparing prices in your home currency • Quick exchange-rate checks before you pay NullRate is built to be quick, calm, and practical. No clutter. No confusing charts. Just a clean exchange-rate calculator for real life. Rates are indicative and refreshed daily. NullRate is not intended for trading or hedging. NullRate Pro is an auto-renewable subscription. 7-day free trial, then billed annually. Cancel anytime in your App Store account settings. Terms of Use: https://nullrateapp.com/en/terms Privacy Policy: https://nullrateapp.com/en/privacy

Screenshots

Swap +4 screens
NullRate FX Converter4 screens

Verdict

The call

The clearest difference is in-app purchases: Swap + at none against NullRate FX Converter's 1. NullRate FX Converter's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.6). 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. NullRate FX Converter sells 1 in-app purchase, starting at $2.99 per year. Swap + asks for nothing beyond the download.

Scorecard3 real differences · 3 level
Swap + versus NullRate FX Converter: the parameters behind the verdict, then further details
ParameterSwap +NullRate FX Converter
PriceFreeFree
Update frequencyEvery 5 weeks—
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.615.0 — better
Further details — not scored
Size21 MB38 MB
Age rating4+4+
Developersafak avcifoxapex llc

In-app purchases

None

Swap +

No in-app purchases

1 purchases

NullRate FX Converter

Subscriptions1
  • Unlock Nullrate7 Days trial$2.991 Year

Questions

Is Swap + free?
Swap + is free to download, with no in-app purchases.
Is NullRate FX Converter free?
NullRate FX Converter is free to download, with in-app purchases available.
Do Swap + or NullRate FX Converter have ads?
Swap + shows ads; NullRate FX Converter does not.

Other comparisons