Square Root Pro vs Lines
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Square Root Pro
This app helps you mentally calculate square roots to two decimal places. It supports multiple languages and an internationalized numeric system for global users.
- Mental square root calculation
- Accuracy to 2 decimal places
- Multilingual support (English, Spanish, French, German, Chinese)
- Internationalized numeric system
- Educational tool for math and science
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Square roots are often found in math & science and quick calculation is sometimes necessary in order to tackle common questions. This app teaches you mentally calculate square roots to reasonable accuracy (2 decimal places). Switch easily between English, Spanish, French, German & Chinese (Mandarin). Fully internationalized numeric system.
Lines
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An app designed to make math easier to see and understand. With graphs and animations, it shows concepts like functions, trigonometry, triangles, angles, and other math relationships in a more visual and practical way. Instead of just memorizing formulas, users can actually see how things work: how a function moves, how angles change, how graphs are formed, and how each concept connects. A lighter, more intuitive, and interactive way to learn math — perfect for anyone who wants to study with more clarity and truly understand what’s behind the numbers.
Screenshots
Verdict
The clearest difference is ads: Lines at none against Square Root Pro's shown. Square Root Pro's advantage is iOS requirement (17.6 vs 26.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Square Root Pro | Lines |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 8 months | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 30 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Bradshaw | Bruno Faganello |
In-app purchases
Square Root Pro
No in-app purchases
Lines
No in-app purchases
Questions
Is Square Root Pro free?
Is Lines free?
Do Square Root Pro or Lines have ads?
Other comparisons
