# Weekly Challenge Roll vs SPECTRAL

The clearest difference is price: SPECTRAL at Free against Weekly Challenge Roll's $2.99. SPECTRAL also leads on update cadence (every 5 days vs every 3 months). Weekly Challenge Roll's advantage is in-app purchases (none vs 12) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

SPECTRAL is free to download; Weekly Challenge Roll costs $2.99 up front. SPECTRAL sells 12 in-app purchases, starting at $4.99 per month. Weekly Challenge Roll asks for nothing beyond the download.

Weekly Challenge Roll ships an update every 3 months, SPECTRAL every 5 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Weekly Challenge Roll | SPECTRAL |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/spectral-ghost-radar-detector/id6761761617/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 54 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Jelmer van Nuss](https://appshunter.io/developer/1880809991) | [Peerware](https://appshunter.io/developer/1891318198) |

## What reviewers say

### Weekly Challenge Roll

[App page](https://appshunter.io/ios/app/weekly-challenge-roll/id6760127292)

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

**In-app purchases:** none


### SPECTRAL

[App page](https://appshunter.io/ios/app/spectral-ghost-radar-detector/id6761761617)

Transform your device into a paranormal investigation tool. Utilize real sensors to detect electromagnetic fields, capture spectral evidence with advanced cameras, and communicate with potential entities using a spirit box. Explore haunted locations and record your findings.

**Highlights:** Real magnetometer, motion, and microphone sensors, SLS skeletal camera for figure detection, EMF radar and sensor readings, Spirit box with multiple voice banks, EVP recorder with anomaly tagging, Seance board for communication, Multiple vision filters (Night Vision, Thermal, etc.), Record and share investigation videos

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spectral Pro Monthly | $4.99 | per month |
| Spectral Pro Annual | $19.99 | per year |
| Shadow & Specter Filter Pack | $0.99 | one-time |
| Séance Channel | $0.99 | one-time |
| Ecto Detector Filter | $0.99 | one-time |
| Ancient Spirit Pack | $0.99 | one-time |
| Child Spirit Channel | $0.99 | one-time |
| Demon Channel | $0.99 | one-time |
| Soldier's Echo Channel | $0.99 | one-time |
| UV Spectrum Filter | $0.99 | one-time |
| Season Pass Premium | $2.99 | one-time |
| Spectral Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Weekly Challenge Roll free?

Weekly Challenge Roll costs $2.99, with no in-app purchases.

### Is SPECTRAL free?

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

### Do Weekly Challenge Roll or SPECTRAL have ads?

SPECTRAL shows ads; Weekly Challenge Roll does not.

### Which is updated more often, Weekly Challenge Roll or SPECTRAL?

Weekly Challenge Roll ships an update every 3 months, and SPECTRAL every 5 days. Most recently, Weekly Challenge Roll was updated on October 25, 2026 and SPECTRAL on October 25, 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.*