# 3D Photo Ring vs Curiosity microscope

The clearest difference is in-app purchases: Curiosity microscope at none against 3D Photo Ring's 7. 3D Photo Ring's advantage is update cadence (every 3 days vs every 2 months) and iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. 3D Photo Ring sells 7 one-off in-app purchases. Curiosity microscope asks for nothing beyond the download.

3D Photo Ring ships an update every 3 days, Curiosity microscope every 2 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3D Photo Ring | Curiosity microscope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (153 ratings)](https://appshunter.io/ios/app/3d-photo-ring-album-browser/id475241191/reviews)** | — |
| Number of ratings | **153** | — |
| Positive reviews | 55.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 1 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Klaus Schöffmann](https://appshunter.io/developer/475241194) | [SeaLabX](https://appshunter.io/developer/6783691842) |

## What reviewers say

### 3D Photo Ring

[App page](https://appshunter.io/ios/app/3d-photo-ring-album-browser/id475241191)

Explore your photo collection with a dynamic 3D interface and Augmented Reality view. This app offers intuitive navigation, color sorting for easier searching, and an automatic presentation mode. It's designed to help you find pictures faster and manage your albums more efficiently.

**Highlights:** 3D photo interface, Augmented Reality (AR) view, Color sorting, Automatic presentation mode, Album selection, Duplicate photo detection

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Similarity Sorting of Photos | $1.99 | one-time |
| Auto-Rotate Presentation | $1.99 | one-time |
| Far Side of the Ring! | $1.99 | one-time |
| The AR Experience! | $2.99 | one-time |
| Unlimited Photos (>500) | $4.99 | one-time |
| Color Sorting of Photos | $4.99 | one-time |
| All Premium Features | $12.99 | one-time |

**What reviewers like**

- 💡 Innovative photo viewing concept
- 👍 Easy to use and navigate
- ✨ Visually appealing interface
- 🚀 Fast photo finding
- 🔄 Frequent updates and improvements

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 App not opening
- 🐛 Freezes on launch
- 🐛 "Analyzing photos" stuck
- 🐛 "Too less memory" error

**Reported bugs**

- Color sorting feature doesn't work
- App won't leave selection screen
- Purchased features not included
- App crashes after opening
- App does not open

**Requested features**

- Add video sharing
- Add AR functionality
- Add speed adjustment for ring rotation
- Add auto-up/down rotation
- Add iPad or MAC version


### Curiosity microscope

[App page](https://appshunter.io/ios/app/curiosity-microscope/id6783840977)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3D Photo Ring free?

3D Photo Ring is free to download, with in-app purchases available.

### Is Curiosity microscope free?

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

### Do 3D Photo Ring or Curiosity microscope have ads?

Neither 3D Photo Ring nor Curiosity microscope shows ads.

### Which is updated more often, 3D Photo Ring or Curiosity microscope?

3D Photo Ring ships an update every 3 days, and Curiosity microscope every 2 months. Most recently, 3D Photo Ring was updated on November 1, 2026 and Curiosity microscope on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*