# StackerTools App vs Become Obsidian

The clearest difference is device support: StackerTools App at 3 against Become Obsidian's 1. StackerTools App also leads on iOS requirement (14.0 vs 17.0). On price, ads 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.

## The numbers

| Metric | StackerTools App | Become Obsidian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/stackertools-app/id6502847897/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 45 MB | 5 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [SoundMoneyMetals](https://appshunter.io/developer/1747030161) | [PULSEOS LLC](https://appshunter.io/developer/6788142466) |

## What reviewers say

### StackerTools App

[App page](https://appshunter.io/ios/app/stackertools-app/id6502847897)

Detect counterfeit precious metals like gold, silver, and bullion using sound. This tool acts as a bar and coin tester, helping you verify authenticity.

**Highlights:** Counterfeit detection, Verify gold coins, Verify silver coins, Test bullion, Sound-based analysis, Bar and coin tester

**Features:** macOS Compatibility

**In-app purchases:** none


### Become Obsidian

[App page](https://appshunter.io/ios/app/become-obsidian/id6788142464)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StackerTools App free?

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

### Is Become Obsidian free?

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

### Do StackerTools App or Become Obsidian have ads?

Neither StackerTools App nor Become Obsidian shows ads.

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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.*