# BSS Smart vs ZOUI

The clearest difference is in-app purchases: ZOUI at none against BSS Smart's 23. ZOUI also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BSS Smart sells 23 one-off in-app purchases. ZOUI asks for nothing beyond the download.

BSS Smart ships an update monthly, ZOUI every 5 weeks. The most recent releases landed on September 11, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | BSS Smart | ZOUI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 151 MB | 48 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [青 林](https://appshunter.io/developer/1219887600) | [ZINWELL CORPORATION](https://appshunter.io/developer/1019370251) |

## What reviewers say

### BSS Smart

[App page](https://appshunter.io/ios/app/bss-smart/id6473243298)

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

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Loitering Detection | $0.99 | one-time |
| Non-motor Vehicle Detection | $0.99 | one-time |
| Left & Lost Items | $0.99 | one-time |
| Vehicle Type Detection | $0.99 | one-time |
| Line Crossing Detection | $0.99 | one-time |
| Abnormal Sound Detection | $1.99 | one-time |
| Smoke and Fire Detection | $1.99 | one-time |
| Face Mask Detection | $1.99 | one-time |
| Face Detection | $1.99 | one-time |
| People Counting | $3.99 | one-time |
| 缩时摄影3个月 | $9.99 | one-time |
| Lte 3G For 30 Days | $15.00 | one-time |
| 缩时摄影6个月 | $19.99 | one-time |
| 缩时摄影12个月 | $39.99 | one-time |
| Storage 7 Days a Month | $39.99 | one-time |
| Alarm Basic | $49.99 | one-time |
| Lte 12G For 180 Days | $79.90 | one-time |
| Alarm Advanced | $99.99 | one-time |
| Lte 24G For 360 Days | $139.99 | one-time |
| Storage 7 Days a 6 Month | $179.99 | one-time |
| Lte 48G For 720 Days | $239.00 | one-time |
| Storage 7 Days a 12 Month | $269.99 | one-time |
| Lte 96G For 1080 Days | $334.99 | one-time |


### ZOUI

[App page](https://appshunter.io/ios/app/zoui/id6599838167)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BSS Smart free?

BSS Smart is free to download, with in-app purchases available.

### Is ZOUI free?

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

### Do BSS Smart or ZOUI have ads?

Neither BSS Smart nor ZOUI shows ads.

### Which is updated more often, BSS Smart or ZOUI?

BSS Smart ships an update monthly, and ZOUI every 5 weeks. Most recently, BSS Smart was updated on September 11, 2026 and ZOUI on September 13, 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.*