# EctoMeter Ghost Detector vs SpiritTrace

The clearest difference is update cadence: SpiritTrace at weekly against EctoMeter Ghost Detector's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. EctoMeter Ghost Detector sells 1 one-off in-app purchase and SpiritTrace sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

EctoMeter Ghost Detector ships an update every 5 weeks, SpiritTrace weekly. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | EctoMeter Ghost Detector | SpiritTrace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 19 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 9+ |
| Developer | [Shenzhen Liubai Software Co., Ltd](https://appshunter.io/developer/1861301699) | [617SW, LLC](https://appshunter.io/developer/6791188705) |

## What reviewers say

### EctoMeter Ghost Detector

[App page](https://appshunter.io/ios/app/ectometer-ghost-detector/id6781209065)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $2.99 | one-time |


### 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 |


## Frequently asked questions

### Is EctoMeter Ghost Detector free?

EctoMeter Ghost Detector is free to download, with in-app purchases available.

### Is SpiritTrace free?

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

### Do EctoMeter Ghost Detector or SpiritTrace have ads?

Neither EctoMeter Ghost Detector nor SpiritTrace shows ads.

### Which is updated more often, EctoMeter Ghost Detector or SpiritTrace?

EctoMeter Ghost Detector ships an update every 5 weeks, and SpiritTrace weekly. Most recently, EctoMeter Ghost Detector was updated on September 10, 2026 and SpiritTrace on September 20, 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.*