# Iron Index vs TRACE Ballistics

The clearest difference is in-app purchases: TRACE Ballistics at none against Iron Index's 1. Iron Index's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Iron Index sells 1 one-off in-app purchase. TRACE Ballistics asks for nothing beyond the download.

## The numbers

| Metric | Iron Index | TRACE Ballistics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 45 MB | 37 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Dylan Burrough](https://appshunter.io/developer/1873824273) | [Wouter Theron](https://appshunter.io/developer/1896715274) |

## What reviewers say

### Iron Index

[App page](https://appshunter.io/ios/app/iron-index/id6759079356)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Iron Index Pro - Lifetime Access | $19.99 | one-time |


### TRACE Ballistics

[App page](https://appshunter.io/ios/app/trace-ballistics/id6770094995)

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

**In-app purchases:** none


## Frequently asked questions

### Is Iron Index free?

Iron Index is free to download, with in-app purchases available.

### Is TRACE Ballistics free?

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

### Do Iron Index or TRACE Ballistics have ads?

Neither Iron Index nor TRACE Ballistics 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.*