# SpiritTrace vs ScreamOff

The clearest difference is in-app purchases: ScreamOff at none against SpiritTrace's 2. SpiritTrace's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SpiritTrace sells 2 in-app purchases, starting at $3.99 per month. ScreamOff asks for nothing beyond the download.

SpiritTrace ships an update weekly, ScreamOff monthly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SpiritTrace | ScreamOff |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 18 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [617SW, LLC](https://appshunter.io/developer/6791188705) | [Benjamin Huve](https://appshunter.io/developer/6795579944) |

## What reviewers say

### SpiritTrace

[App page](https://appshunter.io/ios/app/spirittrace-ghost-sls-camera/id6793976453)

Transform your device into a paranormal investigation tool with live visual anomaly scanning and evidence recording. Explore low-light environments and document your findings with a session journal and replay features.

**Highlights:** Live SLS-style figure visualization, Evidence video recording and replay, Night filters and depth modes, Motion Watch alerts, Session journal, Location and settings saved

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpiritTrace Pro Monthly | $3.99 | per month |
| SpiritTrace Pro Yearly | $19.99 | per year |


### ScreamOff

[App page](https://appshunter.io/ios/app/screamoff/id6795579942)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpiritTrace free?

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

### Is ScreamOff free?

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

### Do SpiritTrace or ScreamOff have ads?

Neither SpiritTrace nor ScreamOff shows ads.

### Which is updated more often, SpiritTrace or ScreamOff?

SpiritTrace ships an update weekly, and ScreamOff monthly. Most recently, SpiritTrace was updated on October 7, 2026 and ScreamOff on October 14, 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.*