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Simple Interest Calculator

Chrome extension by Helpful Software Apps · Productivity · Tools

A Chrome extension in Productivity · Tools with 13 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
13
Rating
not rated yet
Users, last 16 days
+1
Version
1.0.3
Updated in the store
2025-05-17
Published
2025-05-17
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+1 since 01.09
11-14 · 7 readings
  1. 2026-09-0112
  2. 2026-09-0213
  3. 2026-09-0411
  4. 2026-09-0513
  5. 2026-09-0914
  6. 2026-09-1013
  7. 2026-09-1613
Users
+1 since 01.09
11-14 · 7 readings
  1. 2026-09-0112
  2. 2026-09-0213
  3. 2026-09-0411
  4. 2026-09-0513
  5. 2026-09-0914
  6. 2026-09-1013
  7. 2026-09-1613

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Helpful Software Apps publishes 19 listings we track, 18k users between them.

  1. Random password generator Helpful Software Apps · Productivity · Workflow · published 2020-05-22 10k users ★ 4.0
  2. Adjust Screen Brightness Helpful Software Apps · Make Chrome Yours · Functionality · published 2020-05-23 3k users ★ 3.0
  3. PNG to SVG Converter Helpful Software Apps · Productivity · Workflow · published 2022-12-09 1k users ★ 3.7
Show 5 more from this publisher
  1. Voice Recorder Helpful Software Apps · Productivity · Workflow · published 2022-12-09 946 users ★ 3.0
  2. Notepad for Google Chrome Helpful Software Apps · Productivity · Tools · published 2025-05-19 573 users ★ 5.0
  3. Close Duplicate Tabs Helpful Software Apps · Productivity · Tools · published 2025-05-23 399 users ★ 3.0
  4. Protractor for Google Chrome Helpful Software Apps · Productivity · Tools · published 2025-05-19 344 users ★ 1.0
  5. Text Reader Focus Mode Helpful Software Apps · Productivity · Tools · published 2025-05-27 331 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. Tính lãi suất đơn sunwin Describes nearly the same job, smaller audience 3 users
  2. WordX — Numbers and Tools Describes nearly the same job, smaller audience 8 users ★ 5.0
  3. Interest Calculator Describes nearly the same job, smaller audience 11 users (last published figure)
  4. Compound Interest Calculator Describes nearly the same job, smaller audience 18 users
  5. Resistify Describes nearly the same job, smaller audience 4 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.