# KeyFree vs 黑猫投诉

The clearest difference is review sentiment: 黑猫投诉 at 70% against KeyFree's 0%. 黑猫投诉 also leads on rating (4.6 vs 3.0) and ratings volume (131 vs 2). KeyFree's advantage is in-app purchases (none vs 6). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 黑猫投诉 sells 6 one-off in-app purchases. KeyFree asks for nothing beyond the download.

黑猫投诉 holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: 黑猫投诉 has 131 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of KeyFree's written reviews are positive against 70% of 黑猫投诉's.

KeyFree ships an update every 3 months, 黑猫投诉 every 3 weeks. The most recent releases landed on September 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | KeyFree | 黑猫投诉 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/keyfree/id992732995/reviews) | **[4.6 (131 ratings)](https://appshunter.io/ios/app/id1429402895/reviews)** |
| Number of ratings | 2 | **131** |
| Positive reviews | 0.0% of reviews | **70.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 62 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Reformer Holding Co., Ltd.](https://appshunter.io/developer/794153220) | [Beijing Sina Finance Information Service Co., Ltd.](https://appshunter.io/developer/1550250751) |

## What reviewers say

### KeyFree

[App page](https://appshunter.io/ios/app/keyfree/id992732995)

This app digitizes access control for various locations using Bluetooth and QR code technology. It allows for comprehensive management of entry permissions via a mobile device, eliminating the need for physical keys or cards and enhancing security.

**Highlights:** Digital access control, Bluetooth and QR code technology, Mobile entry management, Personnel permission control, Enhanced security, Wide range of applications

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

**In-app purchases:** none


### 黑猫投诉

[App page](https://appshunter.io/ios/app/id1429402895)

This platform helps consumers resolve disputes with businesses. It offers rapid complaint processing, transparent merchant reputation rankings, and consumer protection news. Stay updated on your complaint status and important consumer information through push notifications.

**Highlights:** Rapid complaint processing, 24-hour business response, Merchant reputation rankings, Consumer protection news, Push notifications for updates

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3元零食 | $0.99 | one-time |
| 6元小鱼干 | $0.99 | one-time |
| 12元罐头 | $1.99 | one-time |
| 98元冻干 | $14.99 | one-time |
| 388元猫粮 | $59.99 | one-time |
| 998元定制猫饭 | $149.99 | one-time |


## Frequently asked questions

### Is KeyFree free?

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

### Is 黑猫投诉 free?

黑猫投诉 is free to download, with in-app purchases available.

### Which has better reviews, KeyFree or 黑猫投诉?

黑猫投诉 is rated higher. KeyFree averages 3.0 out of 5 from 2 ratings, while 黑猫投诉 averages 4.6 from 131 ratings.

### Do KeyFree or 黑猫投诉 have ads?

Neither KeyFree nor 黑猫投诉 shows ads.

### Which is updated more often, KeyFree or 黑猫投诉?

KeyFree ships an update every 3 months, and 黑猫投诉 every 3 weeks. Most recently, KeyFree was updated on September 7, 2026 and 黑猫投诉 on September 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.*