# 无痕消除笔 vs 小智计算器  Lite

The clearest difference is in-app purchases: 小智计算器  Lite at none against 无痕消除笔's 4. 小智计算器  Lite also leads on ads (none vs shown) and update cadence (weekly vs fortnightly). 无痕消除笔's advantage is iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. 无痕消除笔 sells 4 in-app purchases, starting at $0.99 per 7 days. 小智计算器  Lite asks for nothing beyond the download.

无痕消除笔 ships an update fortnightly, 小智计算器  Lite weekly. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 无痕消除笔 | 小智计算器  Lite |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 141 MB | 6 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [雅琴 邓](https://appshunter.io/developer/1723052589) | [智杰 邓](https://appshunter.io/developer/1842048256) |

## What reviewers say

### 无痕消除笔

[App page](https://appshunter.io/ios/app/and/id6475017503)

Effortlessly remove unwanted objects, blemishes, and watermarks from photos and videos. Enhance image clarity, fix old photos, and create custom watermarks. Offers AI-powered object removal and background editing.

**Highlights:** AI object removal, Mosaic removal, Image enhancement, Audio extraction from video, Watermark addition, AI background removal

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $0.99 | per 7 days |
| 橡皮擦周会员 | $2.99 | per 7 days |
| 年会员 | $9.99 | per year |
| 永久VIP | $12.99 | one-time |


### 小智计算器  Lite

[App page](https://appshunter.io/ios/app/lite/id6755171084)

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

**In-app purchases:** none


## Frequently asked questions

### Is 无痕消除笔 free?

无痕消除笔 is free to download, with in-app purchases available.

### Is 小智计算器  Lite free?

小智计算器  Lite is free to download, with no in-app purchases.

### Do 无痕消除笔 or 小智计算器  Lite have ads?

无痕消除笔 shows ads; 小智计算器  Lite does not.

### Which is updated more often, 无痕消除笔 or 小智计算器  Lite?

无痕消除笔 ships an update fortnightly, and 小智计算器  Lite weekly. Most recently, 无痕消除笔 was updated on September 17, 2026 and 小智计算器  Lite on September 23, 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.*