# pulse.eco vs Polynomial Calculator

The clearest difference is price: pulse.eco at Free against Polynomial Calculator's $3.99. pulse.eco also leads on rating (5.0 vs 1.0) and update cadence (every 3 months vs every 10 months). Polynomial Calculator's advantage is iOS requirement (13.0 vs 15.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

pulse.eco is free to download; Polynomial Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

pulse.eco holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

pulse.eco ships an update every 3 months, Polynomial Calculator every 10 months. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | pulse.eco | Polynomial Calculator |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pulseeco/id1325651447/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/polynomial-calculator/id6446024788/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | **Free** | Paid |
| Size | 11 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Netcetera AG](https://appshunter.io/developer/293648835) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### pulse.eco

[App page](https://appshunter.io/ios/app/pulseeco/id1325651447)

Monitor real-time environmental data like air pollution, noise levels, and temperature in your city. Contribute to a growing sensor network and open-source code to foster sustainable development.

**Highlights:** Real-time environmental data monitoring, Air pollution tracking, Urban noise hot spot identification, Temperature and humidity readings, Crowdsourcing platform integration, Contribute to sensor network expansion, Open-source code contribution

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

**In-app purchases:** none


### Polynomial Calculator

[App page](https://appshunter.io/ios/app/polynomial-calculator/id6446024788)

This application efficiently solves and simplifies polynomial expressions. It supports various operations like addition, subtraction, multiplication, division, factoring, and evaluation for algebraic functions. Ideal for students and professionals needing quick and accurate math solutions.

**Highlights:** Solve polynomial expressions, Simplify algebraic functions, Add, subtract, multiply, divide polynomials, Factor polynomials, Evaluate polynomials, Clean interface, Accurate results

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is pulse.eco free?

pulse.eco is free to download, with no in-app purchases.

### Is Polynomial Calculator free?

Polynomial Calculator costs $3.99, with no in-app purchases.

### Which has better reviews, pulse.eco or Polynomial Calculator?

pulse.eco is rated higher. pulse.eco averages 5.0 out of 5 from 4 ratings, while Polynomial Calculator averages 1.0 from 3 ratings.

### Do pulse.eco or Polynomial Calculator have ads?

Neither pulse.eco nor Polynomial Calculator shows ads.

### Which is updated more often, pulse.eco or Polynomial Calculator?

pulse.eco ships an update every 3 months, and Polynomial Calculator every 10 months. Most recently, pulse.eco was updated on October 12, 2026 and Polynomial Calculator on October 24, 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.*