# Polystox vs P91 pulse

The clearest difference is update cadence: P91 pulse at weekly against Polystox's fortnightly. Polystox's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Polystox ships an update fortnightly, P91 pulse weekly. The most recent releases landed on September 29, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Polystox | P91 pulse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/polystox/id1621281776/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 111 MB | 63 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Acron International Private Limited](https://appshunter.io/developer/1621281778) | [Just Signs India Private Limited](https://appshunter.io/developer/1477302491) |

## What reviewers say

### Polystox

[App page](https://appshunter.io/ios/app/polystox/id1621281776)

This app streamlines global polymer trading for professionals. It offers live market prices, alerts, and a platform to create offers, negotiate, track orders, and complete transactions seamlessly.

**Highlights:** Live market prices and alerts, Create and explore offers/demands, Real-time price negotiation (Bidding), Order tracking and management, Optional transit insurance

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

**In-app purchases:** none


### P91 pulse

[App page](https://appshunter.io/ios/app/p91-pulse/id6792646265)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polystox free?

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

### Is P91 pulse free?

P91 pulse is free to download, with no in-app purchases.

### Do Polystox or P91 pulse have ads?

Neither Polystox nor P91 pulse shows ads.

### Which is updated more often, Polystox or P91 pulse?

Polystox ships an update fortnightly, and P91 pulse weekly. Most recently, Polystox was updated on September 29, 2026 and P91 pulse on September 10, 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.*