Head-to-head · Currency Converter Apps
OANDA Currency Converter vs The Calculator Site Currency Converter
OANDA Currency Converter leads on 1 check, The Calculator Site Currency Converter on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreOANDA Currency Converter · 9.2/10
- Free planboth
- Most featuresOANDA Currency Converter · 1 of 3
OANDA Currency Converter scores higher on our rubric for currency converter apps: 9.2 against 8.0 out of 10; our editors rank them #2 and #8.
OANDA Currency Converter leads on currencies supported: 212 currencies versus 100 currencies. On rate refresh frequency, OANDA Currency Converter gives you Daily where The Calculator Site Currency Converter offers Real-time. On available platforms, OANDA Currency Converter gives you Both where The Calculator Site Currency Converter offers Web.
OANDA Currency Converter is the better fit for historical-rate and broad currency coverage. The Calculator Site Currency Converter is the better fit for fast, simple web conversion.
- OANDA Currency Converter fits best
Historical-rate and broad currency coverage
- The Calculator Site Currency Converter fits best
Fast, simple web conversion
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Side by side
| Feature | OANDA Currency Converter 9.2/10 Visit ↗ | The Calculator Site Currency Converter 8.0/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.0 |
| Ranking | #2 in Currency Converter Apps | #8 in Currency Converter Apps |
| Best for | Historical-rate and broad currency coverage | Fast, simple web conversion |
| Pricing model | Free | Free |
| Starting price | Free plan | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud, Mobile | Cloud |
| Platforms | Web, iOS | Web |
| Built for | Solo, Small business, Mid-market | Solo, Small business |
| Features OANDA Currency Converter 1/3 · The Calculator Site Currency Converter 0/3 | ||
| Offline mode | Not checked yet | Not checked yet |
| Rate alerts | Not checked yet | Not checked yet |
| Historical rate charts | ✓ (best) | Not checked yet |
| Specs | ||
| Currencies supported | 212 currencies (best) | 100 currencies |
| Rate refresh frequency | Daily | Real-time |
| Available platforms | Both | Web |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | OANDA Currency Converter is a free web calculator and iPhone app for converting currencies with OANDA Rates. It suits travelers, freelancers, small businesses and researchers who need a straightforward conversion tool with historical… Read the review → |
The Calculator Site Currency Converter is a browser-based tool for converting amounts between currencies. It lists over 100 currencies and supports conversion across any available currency pair, making it suitable for everyday checks,… Read the review → |
Strengths and trade-offs
OANDA Currency Converter — where it wins
- Historical exchange rates reach back to January 1990
- Web converter covers 212 currencies, metals and obsolete currencies
- iPhone app adds charts, analysis and rate-adjustment options
Where it doesn't
- No Android app is offered
- Rates are refreshed daily rather than continuously
- Currency coverage differs between the web and iPhone versions
The Calculator Site Currency Converter — where it wins
- Over 100 currencies with conversion across listed pairs
- Mid-market rates referenced from Xe.com and refreshed minutely
- Shows the date and time of the latest rate update
Where it doesn't
- Web-only access with no dedicated mobile coverage
- No history or saved conversion views
- No rate alerts or notifications
- OANDA Currency Converter9.2/10 · Free plan
A free converter with deep historical data, broad coverage and iPhone charts.
Visit OANDAFull verdict → - The Calculator Site Currency Converter8.0/10 · Free plan
A free, web-only converter with over 100 currencies and minutely rate updates.
Open ConverterFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update