# The IAI vs Erector Buddy

The clearest difference is update cadence: Erector Buddy at every 5 days against The IAI's every 4 months. 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.

The IAI ships an update every 4 months, Erector Buddy every 5 days. The most recent releases landed on October 25, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | The IAI | Erector Buddy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 72 MB | 59 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [INTERNATIONAL ASSOCIATION FOR IDENTIFICATION](https://appshunter.io/developer/1746531143) | [VeriPic](https://appshunter.io/developer/1064180919) |

## What reviewers say

### The IAI

[App page](https://appshunter.io/ios/app/the-iai/id6502707950)

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

**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 The IAI free?

The IAI 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 The IAI or Erector Buddy have ads?

Neither The IAI nor Erector Buddy shows ads.

### Which is updated more often, The IAI or Erector Buddy?

The IAI ships an update every 4 months, and Erector Buddy every 5 days. Most recently, The IAI was updated on October 25, 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.*