# Sell.Source vs Puri Polymers

The clearest difference is update cadence: Puri Polymers at every 6 days against Sell.Source's every 2 months. Sell.Source's advantage is iOS requirement (12.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

Sell.Source ships an update every 2 months, Puri Polymers every 6 days. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Sell.Source | Puri Polymers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 28 MB | 44 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SPCX PRIVATE LIMITED](https://appshunter.io/developer/1622946592) | [Puri Polymers](https://appshunter.io/developer/1682841310) |

## What reviewers say

### Sell.Source

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Puri Polymers

[App page](https://appshunter.io/ios/app/puri-polymers/id6447827637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sell.Source free?

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

### Is Puri Polymers free?

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

### Do Sell.Source or Puri Polymers have ads?

Neither Sell.Source nor Puri Polymers shows ads.

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

Sell.Source ships an update every 2 months, and Puri Polymers every 6 days. Most recently, Sell.Source was updated on September 19, 2026 and Puri Polymers on September 9, 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.*