# ScanDone PDF Scanner vs Stackbox

The clearest difference is update cadence: Stackbox at every 4 days against ScanDone PDF Scanner's every 2 months. Stackbox also leads on device support (3 vs 1) and iOS requirement (18.0 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ScanDone PDF Scanner sells 2 one-off in-app purchases and Stackbox sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ScanDone PDF Scanner ships an update every 2 months, Stackbox every 4 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ScanDone PDF Scanner | Stackbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 10 MB | 33 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sasquatch Studio Inc.](https://appshunter.io/developer/1237537108) | [YunJae Jeong](https://appshunter.io/developer/1568287924) |

## What reviewers say

### ScanDone PDF Scanner

[App page](https://appshunter.io/ios/app/scandone-pdf-scanner/id6740045396)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pass | $1.00 | one-time |
| Lifetime Membership (Family) | $4.99 | one-time |


### Stackbox

[App page](https://appshunter.io/ios/app/stackbox-rss-reader/id6758572761)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $19.99 | per year |


## Frequently asked questions

### Is ScanDone PDF Scanner free?

ScanDone PDF Scanner is free to download, with in-app purchases available.

### Is Stackbox free?

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

### Do ScanDone PDF Scanner or Stackbox have ads?

Neither ScanDone PDF Scanner nor Stackbox shows ads.

### Which is updated more often, ScanDone PDF Scanner or Stackbox?

ScanDone PDF Scanner ships an update every 2 months, and Stackbox every 4 days. Most recently, ScanDone PDF Scanner was updated on October 8, 2026 and Stackbox on October 10, 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.*