# Operator Guide vs Microbiology

The clearest difference is in-app purchases: Operator Guide at none against Microbiology's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Microbiology sells 3 in-app purchases, starting at $6.99 per 7 days. Operator Guide asks for nothing beyond the download.

## The numbers

| Metric | Operator Guide | Microbiology |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/operator-guide/id6466748401/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 26 MB | 47 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [naser alazmi](https://appshunter.io/developer/1707761726) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### Operator Guide

[App page](https://appshunter.io/ios/app/operator-guide/id6466748401)

This app educates Steam Unit operators at Powerplants in Kuwait. It covers steam unit systems, their defects, issues, and malfunctions, providing solutions. Developed by TCR Engineer Naser Altiwari.

**Highlights:** Steam unit system education, Defect and malfunction analysis, Problem-solving solutions, Powerplant operator instruction, Developed by industry expert

**In-app purchases:** none


### Microbiology

[App page](https://appshunter.io/ios/app/microbiology-petrikey/id6792027126)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Yearly Premium | $39.99 | per year |
| Lifetime premium | $69.99 | one-time |


## Frequently asked questions

### Is Operator Guide free?

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

### Is Microbiology free?

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

### Do Operator Guide or Microbiology have ads?

Neither Operator Guide nor Microbiology shows ads.

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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.*