# PDM JEWELS vs SPARKLING CHAINS

The clearest difference is device support: SPARKLING CHAINS at 3 against PDM JEWELS's —. PDM JEWELS's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and in-app purchases there is nothing between them.

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

PDM JEWELS ships an update every 23 months, SPARKLING CHAINS every 16 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PDM JEWELS | SPARKLING CHAINS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 23 months | **Every 16 months** |
| Size | 32 MB | 129 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GB TECHNOLOGIES](https://appshunter.io/developer/1662218965) | [TRIOLOGIC ENTERPRISES PRIVATE LIMITED](https://appshunter.io/developer/1743921366) |

## What reviewers say

### PDM JEWELS

[App page](https://appshunter.io/ios/app/pdm-jewels/id6502975931)

**In-app purchases:** none


### SPARKLING CHAINS

[App page](https://appshunter.io/ios/app/sparkling-chains/id6746405408)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDM JEWELS free?

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

### Is SPARKLING CHAINS free?

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

### Which is updated more often, PDM JEWELS or SPARKLING CHAINS?

PDM JEWELS ships an update every 23 months, and SPARKLING CHAINS every 16 months. Most recently, PDM JEWELS was updated on October 25, 2026 and SPARKLING CHAINS on October 30, 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.*