# 3D Circle vs Letianpai

The clearest difference is rating: 3D Circle at 3.0 against Letianpai's 1.0. 3D Circle also leads on review sentiment (25% vs 0%) and ratings volume (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3D Circle holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 25% of 3D Circle's written reviews are positive against 0% of Letianpai's.

3D Circle ships an update every 2 weeks, Letianpai every 3 weeks. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 3D Circle | Letianpai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/3d-circle/id1566567171/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/letianpai/id6502999694/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **25.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 45 MB | 76 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [飞海 李](https://appshunter.io/developer/1449959664) | [北京人和家科技有限公司](https://appshunter.io/developer/1698843685) |

## What reviewers say

### 3D Circle

[App page](https://appshunter.io/ios/app/3d-circle/id1566567171)

This utility app provides a simple and straightforward way to create and manage 3D circles. It's designed for users who need a basic tool for geometric visualization.

**Highlights:** 3D circle creation, Circle management, Geometric visualization

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✨ Unique 3D hologram display technology
- 🎨 Ability to upload custom images and videos
- 😎 Cool visual effects that attract attention
- ⚡ Works well once properly configured
- 🎯 Intuitive interface for experienced users

**What reviewers complain about**

- 🐛 Persistent WiFi connectivity issues
- ❌ App frequently fails to recognize device connection
- 📖 Poor and unclear instructions
- 🌍 Language barriers in documentation
- ⚠️ Unreliable reconnection after initial setup

**Reported bugs**

- App does not recognize WiFi connection despite phone being connected
- WiFi network fails to appear in device settings
- App crashes when uploading videos
- App crashes when adding 3D text with character limits
- Rotation settings buttons non-functional

**Requested features**

- Increase file storage limit beyond 50 items
- Bluetooth connectivity option instead of WiFi only
- Hide top and bottom faces on 3D shapes
- File naming and description capabilities
- Offline mode for content creation


### Letianpai

[App page](https://appshunter.io/ios/app/letianpai/id6502999694)

Control robots and integrate various sensors with this utility application. It allows for advanced customization and interaction with robotic hardware.

**Highlights:** Robot control, Sensor integration, Hardware interaction, Customization options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D Circle free?

3D Circle is free to download, with no in-app purchases.

### Is Letianpai free?

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

### Which has better reviews, 3D Circle or Letianpai?

3D Circle is rated higher. 3D Circle averages 3.0 out of 5 from 3 ratings, while Letianpai averages 1.0 from 1 ratings.

### Do 3D Circle or Letianpai have ads?

Neither 3D Circle nor Letianpai shows ads.

### Which is updated more often, 3D Circle or Letianpai?

3D Circle ships an update every 2 weeks, and Letianpai every 3 weeks. Most recently, 3D Circle was updated on October 20, 2026 and Letianpai on October 12, 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.*