Simple offline compound interest calculator
About this app
Compound Interest Calculator helps people estimate how savings or investments may grow over time.
It uses a guided three-step flow:
* Enter the money you have now, what you add each month, and the currency symbol to display. * Choose how long the money can grow, an estimated yearly interest rate, and how often interest is added. * Review the ending balance, total money added, interest earned, an interactive graph, and a year-by-year breakdown.
The app is designed for people who are not comfortable with financial jargon. It uses plain labels such as "You added" and "Your money earned" to make the result easier to understand.
Privacy:
* No ads * No analytics * No tracking * No Google services * No network permission * No exchange-rate downloads
This calculator is an estimate, not financial advice.
Licensed under MIT, by Sam Yu.
What's New in v0.1.0
Imported from the F-Droid repository index.
- Initial release with a guided compound interest calculator, selectable currency symbols, compounding frequency options, an interactive growth chart, and a year-by-year breakdown.
Version history
Jun 3, 2026 · 6.2 MB · Android API 23–35 · code 1
Imported from the F-Droid repository index.
- Initial release with a guided compound interest calculator, selectable currency symbols, compounding frequency options, an interactive growth chart, and a year-by-year breakdown.
SHA-256 1c62db95fa5e55da10ce2a5e1f4a3ba8a845f7d37072b96abd71434c86ab9ad3
Will it run on your device?
92%
- Runs on a broad range of modern Android versions.
- Multiple CPU architectures are covered.
- Aligned with the latest Android target SDK expectations.
Installation Guide
Open Settings on your Android device
Go to Security → Unknown sources (or Install unknown apps)
Enable "Allow from this source" for your browser or file manager
Open the downloaded APK file from your Downloads folder
Tap "Install" and wait for installation to complete
Launch the app from your home screen
Make sure to re-enable Unknown Sources restrictions after installation for security.
How to install this safely
How to verify the file you downloaded
Before you install anything, confirm the file is the one described here. On a computer, run shasum -a 256 your-download.apk (macOS or Linux) or certutil -hashfile your-download.apk SHA256 (Windows), then compare the output character-for-character with the SHA-256 on this page. If a single character differs, the file is not the build we recorded — delete it.
What the signing certificate proves
Every Android app is signed with a private key that only its developer holds. The fingerprint on this page is a hash of the matching public certificate, and it proves continuity rather than identity: it tells you a build came from whoever signed the earlier ones. Android enforces this at install time — if a package claiming to be dev.samyu.compoundcalculator is signed with a different key, the system will refuse to install it over your existing copy. A fingerprint that changes between releases is worth pausing on, because a repackaged app that has been modified by someone else cannot keep the original signature.
How to roll back to an earlier version
No earlier build is on record for Compound Calculator, so there is nothing to roll back to yet. When a second version is published, this section will explain how to move between them safely.
Why we list sources instead of hosting everything
The official store channel is almost always the right choice: it updates automatically and carries the publisher's own distribution guarantees. A direct APK is useful when a device has no store access, when a rollout has not reached your region, or when you need a specific version — and only when the publisher has authorized that copy. APKBrowse does not list pirated, cracked, or unauthorized rebuilds of Compound Calculator, and a listing is removed when the evidence for it stops holding up.
Get Compound Calculator
Every source we list for dev.samyu.compoundcalculator is legality-reviewed. Pirated or cracked builds are never offered.
Other sources
F-Droid listing
officialF-Droid builds this app from source and signs it. This is its official listing, with older builds and full release notes.
Source code
verified publisherThe upstream repository this build is compiled from.
We check legality and signature continuity, but device behaviour still varies. Install at your own discretion.
App Information
Security Verification
We record provenance; we do not run malware scans. Verify the hash yourself before installing.
SHA-256 Hash
1c62db95fa5e55da10ce2a5e1f4a3ba8a845f7d37072b96abd71434c86ab9ad3
Signing certificate
5e74b401222db0bb508ece9a6475963db12e7cf07ab453fc05e323c400da521c
Permissions Required
Previous Versions
No earlier build is on record — this is the first release we have listed.
The signing certificate fingerprint for this release is on record, so a build that does not match it did not come from this publisher.
Report a problem with this listing
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