# SimpleObjectScan vs Twab

The clearest difference is in-app purchases: SimpleObjectScan at none against Twab's 3. SimpleObjectScan also leads on update cadence (every 4 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Twab sells 3 in-app purchases, starting at $2.99 per month. SimpleObjectScan asks for nothing beyond the download.

SimpleObjectScan ships an update every 4 days, Twab every 5 weeks. The most recent releases landed on September 19, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | SimpleObjectScan | Twab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Size | 113 MB | 20 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kazutaka komiya](https://appshunter.io/developer/1558955785) | [Dimitrios Chasapis](https://appshunter.io/developer/1561308640) |

## What reviewers say

### SimpleObjectScan

[App page](https://appshunter.io/ios/app/simpleobjectscan/id1558955783)

**In-app purchases:** none


### Twab

[App page](https://appshunter.io/ios/app/twab/id1561308638)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $2.99 | per month |
| Premium 3 months | $6.99 | per 3 months |
| Premium 12 months | $20.49 | per year |


## Frequently asked questions

### Is SimpleObjectScan free?

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

### Is Twab free?

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

### Do SimpleObjectScan or Twab have ads?

Both SimpleObjectScan and Twab show ads.

### Which is updated more often, SimpleObjectScan or Twab?

SimpleObjectScan ships an update every 4 days, and Twab every 5 weeks. Most recently, SimpleObjectScan was updated on September 19, 2026 and Twab on September 15, 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.*