# AAPEX SCAN vs Erector Buddy

The clearest difference is update cadence: AAPEX SCAN at every 2 days against Erector Buddy's every 5 days. AAPEX SCAN also leads on iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AAPEX SCAN ships an update every 2 days, Erector Buddy every 5 days. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | AAPEX SCAN | Erector Buddy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 44 MB | 59 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CompuSystems, Inc.](https://appshunter.io/developer/371785325) | [VeriPic](https://appshunter.io/developer/1064180919) |

## What reviewers say

### AAPEX SCAN

[App page](https://appshunter.io/ios/app/aapex-scan/id6736706255)

**Features:** macOS Compatibility

**In-app purchases:** none


### Erector Buddy

[App page](https://appshunter.io/ios/app/erector-buddy/id6773436662)

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

**In-app purchases:** none


## Frequently asked questions

### Is AAPEX SCAN free?

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

### Is Erector Buddy free?

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

### Do AAPEX SCAN or Erector Buddy have ads?

Neither AAPEX SCAN nor Erector Buddy shows ads.

### Which is updated more often, AAPEX SCAN or Erector Buddy?

AAPEX SCAN ships an update every 2 days, and Erector Buddy every 5 days. Most recently, AAPEX SCAN was updated on October 7, 2026 and Erector Buddy on September 25, 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.*