# BSS Smart vs Premium Invention Security

The clearest difference is in-app purchases: Premium Invention Security at none against BSS Smart's 23. Premium Invention Security also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

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

BSS Smart ships an update monthly, Premium Invention Security every 2 weeks. The most recent releases landed on September 11, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | BSS Smart | Premium Invention Security |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 151 MB | 158 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [青 林](https://appshunter.io/developer/1219887600) | [Premium Invention Limited](https://appshunter.io/developer/6780796844) |

## 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 |


### Premium Invention Security

[App page](https://appshunter.io/ios/app/premium-invention-security/id6780796842)

**In-app purchases:** none


## Frequently asked questions

### Is BSS Smart free?

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

### Is Premium Invention Security free?

Premium Invention Security is free to download, with no in-app purchases.

### Do BSS Smart or Premium Invention Security have ads?

Neither BSS Smart nor Premium Invention Security shows ads.

### Which is updated more often, BSS Smart or Premium Invention Security?

BSS Smart ships an update monthly, and Premium Invention Security every 2 weeks. Most recently, BSS Smart was updated on September 11, 2026 and Premium Invention Security on September 12, 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.*