# 环境哨兵 vs 小图侠

The clearest difference is update cadence: 小图侠 at every 4 days against 环境哨兵's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

环境哨兵 ships an update every 3 weeks, 小图侠 every 4 days. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 环境哨兵 | 小图侠 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 23 MB | 12 MB |
| Requires iOS | **11.0** | 12 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vispek Co., Ltd](https://appshunter.io/developer/1447793884) | [学斌 金](https://appshunter.io/developer/964730821) |

## What reviewers say

### 环境哨兵

[App page](https://appshunter.io/ios/app/id6445802438)

**Features:** macOS Compatibility

**In-app purchases:** none


### 小图侠

[App page](https://appshunter.io/ios/app/id6748931655)

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

**In-app purchases:** none


## Frequently asked questions

### Is 环境哨兵 free?

环境哨兵 is free to download, with no in-app purchases.

### Is 小图侠 free?

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

### Do 环境哨兵 or 小图侠 have ads?

Neither 环境哨兵 nor 小图侠 shows ads.

### Which is updated more often, 环境哨兵 or 小图侠?

环境哨兵 ships an update every 3 weeks, and 小图侠 every 4 days. Most recently, 环境哨兵 was updated on September 18, 2026 and 小图侠 on September 10, 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.*