# Karing vs Memo 3D Scanner

The clearest difference is in-app purchases: Karing at none against Memo 3D Scanner's 1. Karing also leads on ratings volume (694 vs 1) and device support (5 vs 1). Memo 3D Scanner's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 74%). On price and ads there is nothing between them.

Both are free to download. Memo 3D Scanner sells 1 one-off in-app purchase. Karing asks for nothing beyond the download.

Memo 3D Scanner holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Karing has 694 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 74% of Karing's written reviews are positive against 100% of Memo 3D Scanner's.

Karing ships an update fortnightly, Memo 3D Scanner weekly. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Karing | Memo 3D Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (694 ratings)](https://appshunter.io/ios/app/karing/id6472431552/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memo-3d-scanner/id6791409163/reviews)** |
| Number of ratings | **694** | 1 |
| Positive reviews | 73.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 146 MB | 14 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Supernova Nebula LLC](https://appshunter.io/developer/1717024808) | [耿芳 王](https://appshunter.io/developer/6791396571) |

## What reviewers say

### Karing

[App page](https://appshunter.io/ios/app/karing/id6472431552)

This utility app enhances network proxy management by offering compatibility with various protocols like Clash, V2ray, and Shadowsocks. It automatically selects efficient nodes based on routing rules and supports custom configurations, making advanced proxy management accessible.

**Highlights:** Clash, V2ray, Shadowsocks compatibility, Automatic efficient node selection, Customizable routing rules, Multi-device synchronization, Novice-friendly configuration modes, Import/export ZIP files

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 High speed
- 👍 Simple and strong app
- 👍 Powerful, good alternative to V2Box
- 👍 User-friendly for beginners
- 👍 Best proxy software

**What reviewers complain about**

- 🐛 High battery drain
- 🐛 Occasional disconnections
- 🐛 Subscription nodes not supported
- 🐛 Diversion rules not user-friendly
- 🐛 Crashes and unable to connect

**Reported bugs**

- Subscription nodes disappearing
- Warp not working
- Unable to pass 'Preset - Custom diversion group' page
- Incompatibility with some apps when network sharing is enabled

**Requested features**

- Add widget support
- Add Brook and SSH protocols
- Add ability to toggle off when phone is locked
- Add option to disable servers in subscriptions
- Add on-demand rules or disconnect on screen lock


### Memo 3D Scanner

[App page](https://appshunter.io/ios/app/memo-3d-scanner/id6791409163)

Capture 3D scenes with high accuracy and train them on your device. This app refines camera tracking and uses depth estimation for faster, stable 3DGS training. Your data stays private, processed entirely on your iPhone.

**Highlights:** High-accuracy COLMAP-compatible capture data export, Refined ARKit camera pose tracking, Diffusion-based depth estimation, On-device 3D Gaussian Splatting training, Export camera-path videos and scene files, Privacy-focused, no cloud processing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memo PRO | $34.99 | one-time |


## Frequently asked questions

### Is Karing free?

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

### Is Memo 3D Scanner free?

Memo 3D Scanner is free to download, with in-app purchases available.

### Which has better reviews, Karing or Memo 3D Scanner?

Memo 3D Scanner is rated higher. Karing averages 4.6 out of 5 from 694 ratings, while Memo 3D Scanner averages 5.0 from 1 ratings.

### Do Karing or Memo 3D Scanner have ads?

Neither Karing nor Memo 3D Scanner shows ads.

### Which is updated more often, Karing or Memo 3D Scanner?

Karing ships an update fortnightly, and Memo 3D Scanner weekly. Most recently, Karing was updated on October 25, 2026 and Memo 3D Scanner on October 9, 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.*