# Diamond tester º vs GhostBuddy

The clearest difference is rating: GhostBuddy at 4.6 against Diamond tester º's 3.3. GhostBuddy also leads on ratings volume (1.6K vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Diamond tester º sells 2 in-app purchases, starting at $2.99 per 7 days and GhostBuddy sells 8 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

GhostBuddy holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: GhostBuddy has 1.6K ratings behind it against 3, so its average is the more settled of the two.

Diamond tester º ships an update fortnightly, GhostBuddy every 9 days. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Diamond tester º | GhostBuddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/diamond-tester/id6760787913/reviews) | **[4.6 (1.6K ratings)](https://appshunter.io/ios/app/ghostbuddy-ghost-detector/id6769695946/reviews)** |
| Number of ratings | 3 | **1.6K** |
| Positive reviews | — | 12.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 65 MB | 92 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alberto Soto](https://appshunter.io/developer/1702225144) | [Guangzhou Chejuban Network Technology Co., Ltd.](https://appshunter.io/developer/1886668155) |

## What reviewers say

### Diamond tester º

[App page](https://appshunter.io/ios/app/diamond-tester/id6760787913)

Quickly assess if a stone might be a real diamond using your device's sensors. Get instant feedback without needing tools or experience, ideal for buyers, sellers, or the simply curious.

**Highlights:** Test diamonds in seconds, Simple and intuitive interface, No technical knowledge needed, Uses device sensors for analysis, Fast and clear results, No account or data collection required

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week subscription | $2.99 | per 7 days |
| Lifetime | $19.99 | one-time |


### GhostBuddy

[App page](https://appshunter.io/ios/app/ghostbuddy-ghost-detector/id6769695946)

Explore paranormal possibilities with this entertainment app. It uses your device's sensors to create a simulated ghost detection experience, complete with radar displays and alerts for thrilling adventures.

**Highlights:** Simulated paranormal investigation, Real-time sensor scanning, Live radar displays, Ghost alerts, Immersive scanning experiences, Supernatural-themed interactions

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Premium | $9.99 | per 7 days |
| Monthly Premium | $9.99 | per month |
| Week Premium | $9.99 | per 7 days |
| Weekly Premium - First Week Trial | $9.99 | per 7 days |
| Weekly Premium - Trial | $9.99 | per 7 days |
| Free Weekly  Premium - Trial | $9.99 | per 7 days |
| Annual Premium | $39.99 | per year |
| GhostBuddy Lifetime Offer | $19.99 | one-time |


## Frequently asked questions

### Is Diamond tester º free?

Diamond tester º is free to download, with in-app purchases available.

### Is GhostBuddy free?

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

### Which has better reviews, Diamond tester º or GhostBuddy?

GhostBuddy is rated higher. Diamond tester º averages 3.3 out of 5 from 3 ratings, while GhostBuddy averages 4.6 from 1.6K ratings.

### Do Diamond tester º or GhostBuddy have ads?

Neither Diamond tester º nor GhostBuddy shows ads.

### Which is updated more often, Diamond tester º or GhostBuddy?

Diamond tester º ships an update fortnightly, and GhostBuddy every 9 days. Most recently, Diamond tester º was updated on October 11, 2026 and GhostBuddy on October 15, 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.*