Lisa's equation solver

Developer: Harnisch Gesellschaft m.b.H.

Category: Education

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133.4K installs

Ratings not yet available

355 monthly active users

$<10K monthly revenue est.

IAP 0% · Ad 100%

Install Trends

Weekly +5.00

Steady

Monthly +3.2K

Trending

Lisa's equation solver Summary

Lisa's equation solver is a ad-supported Android app in Education by Harnisch Gesellschaft m.b.H.. Released in Jan 2015 (11 years ago). It has about 133.4K+ installs Based on AppGoblin estimates, it reaches roughly 355 monthly active users and generates around $<10K monthly revenue (0% IAP / 100% ads). Store metadata: updated Sep 7, 2025.

Recent activity: 5.00 installs this week (3.2K over 4 weeks) showing exceptional growth View trends →

Store info: Last updated on Google Play on Sep 7, 2025 .

SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details

Store ID: at.harnisch.android.equations

First Released: 2015-01-28

Store Last Updated: 2025-09-07

In-App Purchases: No

Ads: Yes

Website: harnisch.at

App Store

Crawl Status: Success

AppGoblin First Crawled: 2021-02-06

AppGoblin Last Crawled: 2026-04-14

Ads & App-Ads.txt

Ads.txt Last Crawled: 2025-10-19

Ads.txt Crawl Status: Success

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Screenshots

App Description

Solve quadratic / cubic / quartic equations and systems of linear equations

Small tool to solve:
- Quadratic equations
- Cubic equations
- Biquadratic equations
- Quartic equations
- Systems of 2 to 5 linear equations