# IISFREE vs NAS文件传输

The clearest difference is in-app purchases: IISFREE at none against NAS文件传输's 1. NAS文件传输's advantage is update cadence (weekly vs every 2 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. NAS文件传输 sells 1 one-off in-app purchase. IISFREE asks for nothing beyond the download.

IISFREE ships an update every 2 months, NAS文件传输 weekly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | IISFREE | NAS文件传输 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/iisfree/id1173416960/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 172 MB | 29 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Seyoung Electronics Inc.](https://appshunter.io/developer/910401294) | [Wuhan Zhiya Technology Co., Ltd.](https://appshunter.io/developer/1627147500) |

## What reviewers say

### IISFREE

[App page](https://appshunter.io/ios/app/iisfree/id1173416960)

This application allows for the zoned management of smart home devices in villas and similar residences. It integrates with smart products to control lighting, temperature, curtains, and security cameras. Users can activate pre-set scenes for effortless device adjustments.

**Highlights:** Zoned smart device management, Lighting circuit control, Indoor temperature control, Electric curtain operation, Security camera monitoring, Scene-based automation

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

**In-app purchases:** none


### NAS文件传输

[App page](https://appshunter.io/ios/app/nas/id6450312930)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 赞助一下 | $0.99 | one-time |


## Frequently asked questions

### Is IISFREE free?

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

### Is NAS文件传输 free?

NAS文件传输 is free to download, with in-app purchases available.

### Do IISFREE or NAS文件传输 have ads?

Neither IISFREE nor NAS文件传输 shows ads.

### Which is updated more often, IISFREE or NAS文件传输?

IISFREE ships an update every 2 months, and NAS文件传输 weekly. Most recently, IISFREE was updated on October 24, 2026 and NAS文件传输 on October 27, 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.*