# HowToo vs AADJ

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

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

HowToo ships an update every 4 months, AADJ every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HowToo | AADJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/howtoo/id6753329721/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 17 MB | 390 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HowToo](https://appshunter.io/developer/1843538915) | [PROFESSIONAL EMPLOYEE SERVICES LLC](https://appshunter.io/developer/1849635013) |

## What reviewers say

### HowToo

[App page](https://appshunter.io/ios/app/howtoo/id6753329721)

Get expert vehicle repair guidance with step-by-step instructions, tool lists, and safety notes tailored to your specific car. You can also order guaranteed-fit parts directly within the app, saving you time and money on DIY repairs.

**Highlights:** Vehicle-specific repair procedures, Tool and torque spec lists, Step-by-step videos, Guaranteed-fit parts ordering, DIY cost vs. shop estimates, Maintenance interval information

**Features:** macOS Compatibility

**In-app purchases:** none


### AADJ

[App page](https://appshunter.io/ios/app/aadj/id6764124861)

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

**In-app purchases:** none


## Frequently asked questions

### Is HowToo free?

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

### Is AADJ free?

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

### Do HowToo or AADJ have ads?

HowToo shows ads; AADJ does not.

### Which is updated more often, HowToo or AADJ?

HowToo ships an update every 4 months, and AADJ every 3 weeks. Most recently, HowToo was updated on October 24, 2026 and AADJ on October 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.*