# Auto Mechanic Bob vs Bioz

The clearest difference is review sentiment: Bioz at 100% against Auto Mechanic Bob's 0%. Bioz also leads on price (Free vs $0.99) and rating (5.0 vs 1.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Bioz is free to download; Auto Mechanic Bob costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bioz holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Auto Mechanic Bob's written reviews are positive against 100% of Bioz's.

Auto Mechanic Bob ships an update every 103 months, Bioz every 3 months. The most recent releases landed on October 30, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Auto Mechanic Bob | Bioz |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/auto-mechanic-bob-engines/id870140455/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bioz/id1063002255/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 103 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 20 MB | 7 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [MICOM Software](https://appshunter.io/developer/467921979) | [Bioz Inc.](https://appshunter.io/developer/1063002254) |

## What reviewers say

### Auto Mechanic Bob

[App page](https://appshunter.io/ios/app/auto-mechanic-bob-engines/id870140455)

Explore different types of engines with interactive animations and sounds. Test your knowledge with quizzes and practice diagnosing and fixing engine problems to earn certificates.

**Highlights:** Interactive engine animations, Engine repair challenges, Extensive engine quiz, Starting system information, Engine forums, Printable certificates

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

**In-app purchases:** none


### Bioz

[App page](https://appshunter.io/ios/app/bioz/id1063002255)

This app provides scientific researchers with access to deep experimentation knowledge extracted from millions of peer-reviewed articles. It uses AI to analyze materials and methods sections, offering objective rankings, techniques, and protocol conditions for reagents, kits, assays, and instruments.

**Highlights:** AI-driven data analysis, Experimentation knowledge extraction, Objective ranking scores, Reagent, kit, assay, and instrument data, Article snippets and techniques, Protocol conditions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Auto Mechanic Bob free?

Auto Mechanic Bob costs $0.99, with no in-app purchases.

### Is Bioz free?

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

### Which has better reviews, Auto Mechanic Bob or Bioz?

Bioz is rated higher. Auto Mechanic Bob averages 1.0 out of 5 from 1 ratings, while Bioz averages 5.0 from 1 ratings.

### Do Auto Mechanic Bob or Bioz have ads?

Neither Auto Mechanic Bob nor Bioz shows ads.

### Which is updated more often, Auto Mechanic Bob or Bioz?

Auto Mechanic Bob ships an update every 103 months, and Bioz every 3 months. Most recently, Auto Mechanic Bob was updated on October 30, 2026 and Bioz on November 2, 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.*