# VIOM BULLION vs Gridkey

The clearest difference is update cadence: Gridkey at every 2 weeks against VIOM BULLION's every 4 months. VIOM BULLION's advantage is iOS requirement (11.0 vs 15.1). 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.

VIOM BULLION ships an update every 4 months, Gridkey every 2 weeks. The most recent releases landed on October 18, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | VIOM BULLION | Gridkey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/viom-bullion/id1450237756/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 36 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIOM BULLION](https://appshunter.io/developer/1450237755) | [Gridkey Technologies Private Limited](https://appshunter.io/developer/1755111675) |

## What reviewers say

### VIOM BULLION

[App page](https://appshunter.io/ios/app/viom-bullion/id1450237756)

Instantly calculate the value of gold jewelry, including making charges, wastage, and taxes. It also provides live gold and silver bar rates and allows for booking orders.

**Highlights:** Jewelry valuation calculator, Gold making charges calculation, Wastage calculation, Taxation calculation, Gold purity value calculator, Live gold and silver rates, Gold bar order booking

**Features:** macOS Compatibility

**In-app purchases:** none


### Gridkey

[App page](https://appshunter.io/ios/app/gridkey/id6505094068)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VIOM BULLION free?

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

### Is Gridkey free?

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

### Do VIOM BULLION or Gridkey have ads?

Neither VIOM BULLION nor Gridkey shows ads.

### Which is updated more often, VIOM BULLION or Gridkey?

VIOM BULLION ships an update every 4 months, and Gridkey every 2 weeks. Most recently, VIOM BULLION was updated on October 18, 2026 and Gridkey on October 27, 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.*