# Parametric Factorization vs Triangle Solver

The clearest difference is rating: Triangle Solver at 5.0 against Parametric Factorization's 2.9. Triangle Solver also leads on in-app purchases (none vs 8). Parametric Factorization's advantage is ads (none vs shown) and update cadence (fortnightly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Parametric Factorization sells 8 one-off in-app purchases. Triangle Solver asks for nothing beyond the download.

Triangle Solver holds the better App Store score, 5.0 against 2.9. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

Parametric Factorization ships an update fortnightly, Triangle Solver monthly. The most recent releases landed on August 26, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Parametric Factorization | Triangle Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (8 ratings)](https://appshunter.io/ios/app/parametric-factorization/id1493935902/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/triangle-solver/id1508047860/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 179 MB | 47 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Francesco Varotti](https://appshunter.io/developer/1501752853) |

## What reviewers say

### Parametric Factorization

[App page](https://appshunter.io/ios/app/parametric-factorization/id1493935902)

This application helps users factor quadratic trinomials by entering three variables. It provides detailed solution steps and stores all calculations in a history for easy access and sharing. Supports positive and negative numbers, as well as decimals.

**Highlights:** Factors quadratic trinomials, Detailed solution steps, Input history, Supports decimals and negative numbers, Shareable solutions, Ad removal option

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


### Triangle Solver

[App page](https://appshunter.io/ios/app/triangle-solver/id1508047860)

This app provides step-by-step solutions for triangle calculations and angle conversions. It includes practice exercises, a trigonometry formula sheet, and an integrated math keyboard for easy input. Ideal for students and professionals needing to master triangle properties.

**Highlights:** Step-by-step triangle calculations, Angle conversion, Practice trigonometry exercises, Trigonometry formula sheet, Integrated math keyboard

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Parametric Factorization free?

Parametric Factorization is free to download, with in-app purchases available.

### Is Triangle Solver free?

Triangle Solver is free to download, with no in-app purchases.

### Which has better reviews, Parametric Factorization or Triangle Solver?

Triangle Solver is rated higher. Parametric Factorization averages 2.9 out of 5 from 8 ratings, while Triangle Solver averages 5.0 from 2 ratings.

### Do Parametric Factorization or Triangle Solver have ads?

Triangle Solver shows ads; Parametric Factorization does not.

### Which is updated more often, Parametric Factorization or Triangle Solver?

Parametric Factorization ships an update fortnightly, and Triangle Solver monthly. Most recently, Parametric Factorization was updated on August 26, 2026 and Triangle Solver on September 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*