# SnackBack vs Scan Flow

The clearest difference is iOS requirement: SnackBack at 15.1 against Scan Flow's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SnackBack sells 1 in-app purchase, starting at $3.99 per month and Scan Flow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SnackBack ships an update weekly, Scan Flow fortnightly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SnackBack | Scan Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 59 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Compounding Co., Ltd.](https://appshunter.io/developer/1796949360) | [All Good Folks Limited](https://appshunter.io/developer/6774755732) |

## What reviewers say

### SnackBack

[App page](https://appshunter.io/ios/app/snackback-ai-link-organizer/id6745926029)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |


### Scan Flow

[App page](https://appshunter.io/ios/app/scan-flow-document-scanner/id6778015862)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scan Flow Pro | $4.99 | one-time |


## Frequently asked questions

### Is SnackBack free?

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

### Is Scan Flow free?

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

### Do SnackBack or Scan Flow have ads?

Neither SnackBack nor Scan Flow shows ads.

### Which is updated more often, SnackBack or Scan Flow?

SnackBack ships an update weekly, and Scan Flow fortnightly. Most recently, SnackBack was updated on October 30, 2026 and Scan Flow on October 28, 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.*