# OTDR RCM vs MD Flow

The clearest difference is in-app purchases: OTDR RCM at none against MD Flow's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MD Flow sells 4 one-off in-app purchases. OTDR RCM asks for nothing beyond the download.

## The numbers

| Metric | OTDR RCM | MD Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/md-flow-markdown-reader/id6762501714/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Monetization | — | Free |
| Size | 90 MB | 7 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yokogawa Test & Measurement Corporation](https://appshunter.io/developer/997661022) | [Amilcar Zambrano Guevara](https://appshunter.io/developer/1874795319) |

## What reviewers say

### OTDR RCM

[App page](https://appshunter.io/ios/app/otdr-rcm/id6752284854)

**In-app purchases:** none


### MD Flow

[App page](https://appshunter.io/ios/app/md-flow-markdown-reader/id6762501714)

Instantly preview Markdown files with syntax-highlighted code, tables, and Mermaid diagrams. Browse folders with a fast interface and export documents to PDF. This app works directly with your existing file structure without indexing or setup.

**Highlights:** Browse folders with intuitive interface, Instant Markdown preview, Syntax-highlighted code blocks, Rendered Mermaid diagrams, Export documents to PDF, Search within current folder, Table of contents navigation

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Support | $1.99 | one-time |
| Medium Support | $3.99 | one-time |
| Large Support | $5.99 | one-time |
| .MD Finder Pro | $7.99 | one-time |


## Frequently asked questions

### Is OTDR RCM free?

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

### Is MD Flow free?

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

### Do OTDR RCM or MD Flow have ads?

Neither OTDR RCM nor MD Flow 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.*