OTDR RCM vs MD Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTDR RCM
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"OTDR RCM" utilizes Wi-Fi to enable remote measurement of YOKOGAWA's AQ1210/AQ7290 series OTDRs via iOS devices. It also allows for analysis, sharing, and reloading of measurement data into the OTDR. ○Notes This application may be changed in the future without prior notice due to improvements in performance and functionality. Additionally, the actual display content may differ slightly from the content described. ○Main Function -Optical Pulse Measurement Function By connecting to the OTDR, waveform measurements can be performed remotely. The measured waveform data can be analyzed and saved, and reports can be generated in PDF format. Integration with the optical switch (AQ3550) is also supported. -Loss Measurement Function If the OTDR is equipped with an optical power meter, loss measurements using the power meter can be performed remotely. Integration with the optical switch (AQ3550) is also supported.
MD Flow
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.
- 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
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MD Flow is a native app for browsing folders and instantly previewing Markdown — beautifully rendered, with syntax-highlighted code, tables, and Mermaid diagrams. No indexing, no workspace, no setup. Just open a folder and start reading. What you can do * Browse folders with a fast, intuitive interface * Instantly preview Markdown, with syntax-highlighted code blocks * See Mermaid diagrams rendered inline — flowcharts, sequence, Gantt, and more * Export any document as a polished PDF, then share or save it — MD Flow Pro * Search within the current folder * Reopen recent files quickly * Navigate long documents with a table of contents * Preview HTML, text, CSV, and RTF files * Works directly with your existing folder structure Built for real workflows MD Flow works with the files you already have: * Documentation folders and README-heavy projects * Technical docs with diagrams and code samples * Exported notes and personal archives * AI-generated summaries, research, and drafts * Writing libraries and file-based knowledge systems A simple, focused experience MD Flow is not a note-taking app, a PKM system, or a Markdown editor. It is a file-first app designed to help you browse and read your files faster, without friction. No import. No duplication. No lock-in. Privacy-first by design * No account required * No tracking * Works locally with your files * You stay in control of your data Pricing MD Flow includes a free core experience. MD Flow Pro is a one-time unlock — including PDF export — that works across Mac, iPhone, and iPad. Optional tips are available if you want to support ongoing development.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MD Flow sells 4 one-off in-app purchases. OTDR RCM asks for nothing beyond the download.
| Parameter | OTDR RCM | MD Flow |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 10 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 90 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Yokogawa Test & Measurement Corporation | Amilcar Zambrano Guevara |
In-app purchases
OTDR RCM
No in-app purchases
MD Flow
- Small Support$1.99
- Medium Support$3.99
- Large Support$5.99
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