# FM Diamonds vs Stone Vision

The clearest difference is update cadence: Stone Vision at every 6 weeks against FM Diamonds's every 7 months. Stone Vision also leads on 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.

FM Diamonds ships an update every 7 months, Stone Vision every 6 weeks. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | FM Diamonds | Stone Vision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Size | 49 MB | 74 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [FM Trading Company Inc.](https://appshunter.io/developer/1642920304) | [Secure Stones LLC](https://appshunter.io/developer/1724137311) |

## What reviewers say

### FM Diamonds

[App page](https://appshunter.io/ios/app/fm-diamonds/id1642920302)

**Features:** Vision Pro support

**In-app purchases:** none


### Stone Vision

[App page](https://appshunter.io/ios/app/stone-vision/id6475391634)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FM Diamonds free?

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

### Is Stone Vision free?

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

### Do FM Diamonds or Stone Vision have ads?

Neither FM Diamonds nor Stone Vision shows ads.

### Which is updated more often, FM Diamonds or Stone Vision?

FM Diamonds ships an update every 7 months, and Stone Vision every 6 weeks. Most recently, FM Diamonds was updated on September 9, 2026 and Stone Vision on September 21, 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.*