# 胡萝卜笔记 vs Night‑Vision

The clearest difference is in-app purchases: 胡萝卜笔记 at none against Night‑Vision's 1. Night‑Vision's advantage is update cadence (every 9 days vs every 3 weeks) and iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Night‑Vision sells 1 in-app purchase, starting at $1.99 per 7 days. 胡萝卜笔记 asks for nothing beyond the download.

胡萝卜笔记 ships an update every 3 weeks, Night‑Vision every 9 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 胡萝卜笔记 | Night‑Vision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 50 MB | 32 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Robotpen Education Technology Co., Ltd.](https://appshunter.io/developer/1108794518) | [燕燕 林](https://appshunter.io/developer/1675436596) |

## What reviewers say

### 胡萝卜笔记

[App page](https://appshunter.io/ios/app/id1587805058)

**Features:** macOS Compatibility

**In-app purchases:** none


### Night‑Vision

[App page](https://appshunter.io/ios/app/nightvision-camera/id6787823785)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Night‑Vision Premium | $1.99 | per 7 days |


## Frequently asked questions

### Is 胡萝卜笔记 free?

胡萝卜笔记 is free to download, with no in-app purchases.

### Is Night‑Vision free?

Night‑Vision is free to download, with in-app purchases available.

### Do 胡萝卜笔记 or Night‑Vision have ads?

Neither 胡萝卜笔记 nor Night‑Vision shows ads.

### Which is updated more often, 胡萝卜笔记 or Night‑Vision?

胡萝卜笔记 ships an update every 3 weeks, and Night‑Vision every 9 days. Most recently, 胡萝卜笔记 was updated on October 27, 2026 and Night‑Vision on October 31, 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.*