Privacy Policy
QL Currency Converter
Last updated: April 23, 2026QL Currency Converter is an iPhone app that converts currency amounts using exchange-rate reference data from Frankfurter. This Privacy Policy explains what information the app uses, what it stores on your device, and what it does not collect.Information the app does not collect
QL Currency Converter does not require an account and does not ask for your name, email address, phone number, payment information, photos, contacts, or precise location.The app does not include advertising, third-party analytics SDKs, user tracking, or social features.Information stored locally on your device
To make the app easier to use, QL Currency Converter stores a small amount of preference and cache data on your device. This may include:Your selected base and quote currencies
Your pinned currency pairs
Your chosen home pair
Cached exchange-rate snapshots and cached currency lists
This data is stored locally using Apple system storage on your device and is not used for advertising or profiling.Exchange-rate and currency data
When the app refreshes rates or loads currency information, it sends requests to Frankfurter's API at api.frankfurter.dev/v2. The app uses that service to fetch currency lists and pair rates. The converted result shown in the app is calculated locally on your device by multiplying the amount you enter by the fetched pair rate.Network information
Like any app that makes internet requests, network providers and the remote API service may receive technical information such as your IP address, request headers, and connection metadata as part of standard web traffic. QL Currency Converter does not use this information for advertising or cross-app tracking.Data retention
Locally stored preferences and cached rates remain on your device until they are replaced, cleared by the system, or removed when you delete the app.Children's privacy
QL Currency Converter is a general-purpose utility app and is not directed to children under 13.Changes to this policy
This Privacy Policy may be updated if the app's behavior changes. The updated version will be posted on this page with a revised effective date.Contact
For privacy questions, contact the developer using the support contact listed on the support page for QL Currency Converter.Summary:
QL Currency Converter stores a small set of converter preferences on your device, fetches exchange-rate data from Frankfurter, and does not include accounts, ads, analytics, or tracking.===========================
===========================Support
QL Currency Converter
Support page for the iPhone appQL Currency Converter lets you convert between supported currencies, save pinned pairs, keep a home pair, and refresh the latest available reference rates from Frankfurter.Common questions
If a rate does not update, tap Refresh or pull down to refresh.
If the app shows a saved or offline state, check your internet connection and try again.
If a conversion looks wrong, confirm that the correct From and To currencies are selected.
If you want to remove a pinned pair, tap the pinned pair again and use the delete option.
How exchange values are calculated
The app requests the latest pair rate from Frankfurter and calculates the converted amount on your device using:entered amount x fetched pair rate = converted amountReference data comes from Frankfurter and the provider information published at api.frankfurter.dev/v2/providers.Troubleshooting
Close and reopen the app if the interface appears out of sync.
Make sure your iPhone is running a current iOS version supported by the app.
Try switching to another pair and then back again to force a fresh rate lookup.
If the app still shows a saved rate, the remote service may be temporarily unavailable.
Before contacting support
Including the details below will speed up support:Your iPhone model and iOS version
The currency pair involved
Whether the app showed Live, Saved, or Offline
A brief description of what happened
Support contact
Replace this placeholder with your real support email before publishing: [email protected]Publishing note:
This support page is ready for the app's current behavior, but it still needs your actual support contact before you use it as an App Store Connect support URL.