# Subscription Assassin vs SmartScan

The clearest difference is update cadence: Subscription Assassin at every 5 days against SmartScan's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Subscription Assassin sells 2 in-app purchases, starting at $3.99 per month and SmartScan sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Subscription Assassin ships an update every 5 days, SmartScan every 3 weeks. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Subscription Assassin | SmartScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 8 MB | 96 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [瑞华 张](https://appshunter.io/developer/1608130007) | [Golden Rooster](https://appshunter.io/developer/6798145765) |

## What reviewers say

### Subscription Assassin

[App page](https://appshunter.io/ios/app/subscription-assassin/id6769249998)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Assassin Pro (Monthly) | $3.99 | per month |
| Subscription Assassin Pro | $19.99 | one-time |


### SmartScan

[App page](https://appshunter.io/ios/app/smartscan-qr-and-barcode-reader/id6798145763)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartScan: QR & Barcode Reader | $6.99 | per 7 days |
| SmartScan: QR & Barcode Reader | $9.99 | per month |
| SmartScan: QR & Barcode Reader | $39.99 | per year |


## Frequently asked questions

### Is Subscription Assassin free?

Subscription Assassin is free to download, with in-app purchases available.

### Is SmartScan free?

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

### Do Subscription Assassin or SmartScan have ads?

Neither Subscription Assassin nor SmartScan shows ads.

### Which is updated more often, Subscription Assassin or SmartScan?

Subscription Assassin ships an update every 5 days, and SmartScan every 3 weeks. Most recently, Subscription Assassin was updated on September 8, 2026 and SmartScan on September 21, 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.*