# 垒知翼 vs Remove Objects

The clearest difference is in-app purchases: 垒知翼 at none against Remove Objects's 3. 垒知翼 also leads on iOS requirement (12.4 vs 17.6). Remove Objects's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Remove Objects sells 3 in-app purchases, starting at $0.99 per month. 垒知翼 asks for nothing beyond the download.

垒知翼 ships an update every 3 weeks, Remove Objects every 3 days. The most recent releases landed on September 5, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 垒知翼 | Remove Objects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/remove-objects-ai-eraser/id6762709553/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 63.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 39 MB | 200 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [垒知(成都)科技研究院有限公司](https://appshunter.io/developer/1728008796) | [Wuhan Yuhang Technology Co., Ltd](https://appshunter.io/developer/1795152947) |

## What reviewers say

### 垒知翼

[App page](https://appshunter.io/ios/app/id6499310658)

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

**In-app purchases:** none


### Remove Objects

[App page](https://appshunter.io/ios/app/remove-objects-ai-eraser/id6762709553)

Easily remove backgrounds, create collages, and edit photos with powerful tools. Perfect for fashion bloggers and content creators needing efficient visual content creation.

**Highlights:** One-tap cutout, Background removal, Image mosaic, Grid collage maker, Free doodle tool, HD export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RemoveBg Month | $0.99 | per month |
| RemoveBg Yearly | $9.99 | per year |
| DreamSticker PRO Lifetime | Free | one-time |


## Frequently asked questions

### Is 垒知翼 free?

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

### Is Remove Objects free?

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

### Do 垒知翼 or Remove Objects have ads?

Neither 垒知翼 nor Remove Objects shows ads.

### Which is updated more often, 垒知翼 or Remove Objects?

垒知翼 ships an update every 3 weeks, and Remove Objects every 3 days. Most recently, 垒知翼 was updated on September 5, 2026 and Remove Objects on September 14, 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.*