# Polymerupdate vs Sell.Source

Polymerupdate and Sell.Source are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Polymerupdate | Sell.Source |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 112 MB | 28 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neeraj Rawal](https://appshunter.io/developer/558166908) | [SPCX PRIVATE LIMITED](https://appshunter.io/developer/1622946592) |

## What reviewers say

### Polymerupdate

[App page](https://appshunter.io/ios/app/polymerupdate/id558166905)

Access trusted polymer prices, plastics news, and petrochemical insights to make informed business decisions. Stay updated on market movements globally with alerts, daily news, and in-depth analysis.

**Highlights:** Real-time polymer price access, Daily plastics and petrochemical news, Market movement alerts and notifications, In-depth graphical trend analysis, Region and commodity-specific filters, News videos for daily updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Sell.Source

[App page](https://appshunter.io/ios/app/sellsource/id1622946590)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polymerupdate free?

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

### Is Sell.Source free?

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

### Do Polymerupdate or Sell.Source have ads?

Neither Polymerupdate nor Sell.Source shows ads.

### Which is updated more often, Polymerupdate or Sell.Source?

Polymerupdate ships an update every 2 months, and Sell.Source every 2 months. Most recently, Polymerupdate was updated on September 15, 2026 and Sell.Source on September 19, 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.*