# 3DApollo vs atk

The clearest difference is in-app purchases: atk at none against 3DApollo's 7. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. 3DApollo sells 7 one-off in-app purchases. atk asks for nothing beyond the download.

3DApollo ships an update every 3 weeks, atk every 2 weeks. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 3DApollo | atk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/3dapollo/id6736429007/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 127 MB | 33 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Weidong Wang](https://appshunter.io/developer/1448204079) | [军 刘](https://appshunter.io/developer/1811358184) |

## What reviewers say

### 3DApollo

[App page](https://appshunter.io/ios/app/3dapollo/id6736429007)

This app offers an immersive and simple control experience for Klipper-based 3D printers. It allows for multi-device management, intuitive parameter adjustments, and efficient model organization. Enjoy a professional control screen experience with landscape mode and secure configuration saving.

**Highlights:** Multi-device management for Klipper systems, Intuitive and user-friendly control interface, Efficient 3D model uploading, storage, and management, Landscape mode for a professional control screen, One-click saving of printer configurations

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 赞助一瓶农夫三拳 | $0.99 | one-time |
| 赞助一瓶脉动饮料 | $0.99 | one-time |
| 赞助一瓶可口可乐 | $0.99 | one-time |
| Apollo大会员续费一个月 | $1.99 | one-time |
| 赞助一杯咖啡 | $2.99 | one-time |
| Apollo大会员续费三个月 | $3.99 | one-time |
| Apollo大会员续费一年 | $12.99 | one-time |


### atk

[App page](https://appshunter.io/ios/app/atk-xtool/id6746311841)

This utility app facilitates Bluetooth debugging for instruments and meters. It allows for seamless connection and control of various devices.

**Highlights:** Bluetooth connectivity, Instrument debugging, Meter control, Device pairing, Real-time data transfer

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3DApollo free?

3DApollo is free to download, with in-app purchases available.

### Is atk free?

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

### Do 3DApollo or atk have ads?

Neither 3DApollo nor atk shows ads.

### Which is updated more often, 3DApollo or atk?

3DApollo ships an update every 3 weeks, and atk every 2 weeks. Most recently, 3DApollo was updated on October 6, 2026 and atk on October 2, 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.*