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Calculators & Unit Conversion
Unitto
AndroidBrowser
Platform information checked 2026-10-19. The provider describes Unitto as free, with no ads, in-app purchases or analytics. Ordinary calculations and unit conversion run locally; currency conversion needs Internet access. The GPL-3.0 source and usable F-Droid edition are available. The browser version is alpha, has limited language/theming support and loses user data on reload. This is a calculator/converter alternative for part of a WolframAlpha workflow; it does not include WolframAlpha’s knowledge database, cloud symbolic engine or every guided Pro solution. The alpha web build includes additional GPL-2.0 and MIT components with separate provider notices; the Android edition is the free app reviewed here.
Use the publisher’s linked store or documented APK channel. AltStack does not host APK files. A player or independent client does not grant access to paid subscription content.
Handle calculations and common unit conversions in one Android app.
Free calculator · online currency rates
The provider describes Unitto as free, with no ads, in-app purchases or analytics. Ordinary calculations and unit conversion run locally; currency conversion needs Internet access. The GPL-3.0 source and usable F-Droid edition are available. The browser version is alpha, has limited language/theming support and loses user data on reload. This is a calculator/converter alternative for part of a WolframAlpha workflow; it does not include WolframAlpha’s knowledge database, cloud symbolic engine or every guided Pro solution. The alpha web build includes additional GPL-2.0 and MIT components with separate provider notices; the Android edition is the free app reviewed here.
UnittoProduct logo · See the interface on the official website
Unitto · product logo
About Unitto
Calculate expressions and convert units, dates and time zones with an Android utility that also offers an early web version. Visit the project website to check the currently available deployment options.
Release status
Official distribution and installation documentation reviewed. AltStack did not install or execute the application.
Install on your phone or supported device · Instructions checked 2026-10-19
Open the provider-linked F-Droid page for com.sadellie.unitto and check the version requirements. The current listed F-Droid build requires Android 6.0 or newer.
Install the app through the F-Droid client. Look for Calculator on the Android home screen after installation; the official F-Droid description uses that launcher name.
Use the calculator or unit converter for a small known calculation. Currency conversions need Internet access; review the provider’s privacy page before enabling network-dependent features.
Keep updates on the selected distribution channel. The README warns that F-Droid users may receive Preview-channel updates; review the offered version before updating.
The provider describes Unitto as free, with no ads, in-app purchases or analytics. Ordinary calculations and unit conversion run locally; currency conversion needs Internet access. The GPL-3.0 source and usable F-Droid edition are available. The browser version is alpha, has limited language/theming support and loses user data on reload. This is a calculator/converter alternative for part of a WolframAlpha workflow; it does not include WolframAlpha’s knowledge database, cloud symbolic engine or every guided Pro solution. Installation was source-reviewed, not executed by AltStack. The alpha web build includes additional GPL-2.0 and MIT components with separate provider notices; the Android edition is the free app reviewed here.
Search, edit and reuse a local clipboard history with optional tabs and automation.
CopyQ is GPL-3.0-or-later desktop software with free official packages and no required subscription. Clipboard history is stored unencrypted by default unless its encryption feature is enabled. Built-in recognized secret markers are ignored by default, but this is not a guarantee that every application marks secrets correctly. It does not provide Paste’s iCloud/iPhone workflow or a password vault.
Keep events, recurring reminders and calendar widgets on your Android phone.
The F-Droid calendar is free and works without a Fossify account or a Fossify sync subscription. The separate paid Thank You app funds Fossify and adds customization/shared settings to supported apps. Calendar synchronization uses accounts or calendar providers already configured on the device; Fossify does not run a sync service. Those services can have their own costs. This replaces event planning, reminders and calendar views rather than every Business Calendar 2 Pro feature.
