RC Markdown vs Hammer Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RC Markdown
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THE AI WORKFLOW COMPANION Claude, ChatGPT, and other AI assistants produce detailed reports. But when you open them on iPhone, LaTeX math breaks, Mermaid diagrams disappear, and code looks like a mess. RC Markdown handles all of it. A dedicated viewer built to read, render, and share AI-generated documents exactly as intended. DISTRACTION-FREE READING, BUILT FOR LONG DOCUMENTS No toolbars. No editing UI. Just your document, rendered beautifully, ready to read from start to finish. Open a file, read it comfortably, and forward it to your team. RENDERING Complex Math — On-device KaTeX rendering for inline and block LaTeX equations. Technical Diagrams — Mermaid support for flowcharts, sequence diagrams, Gantt charts, and more. Clean Code — Syntax highlighting for 20+ languages including Python, Swift, Rust, and TypeScript. EXPORT AND SHARE Tap Export to convert your document and open the iOS Share Sheet instantly — send via Mail, Messages, Slack, or save to Files. PDF — Vector-based, text-selectable, always cleanly formatted. PNG — Full-document image, ready to paste into any chat or deck. HTML — Self-contained file with all styles and diagrams embedded. DESIGNED FOR iOS Table of Contents — Auto-generated from headings. Tap to jump, drag the panel anywhere on screen. In-Document Search — Real-time highlighting with match-by-match navigation. Dark Mode — Light, Dark, or System. Optimized for OLED displays. Available in 10 languages — English, German, French, Spanish, Portuguese, Russian, Japanese, Korean, Simplified and Traditional Chinese. iPhone and iPad — Optimized for both. PRIVATE AND OFFLINE No accounts. No sign-in. No internet required. Every feature works completely offline. No data ever leaves your device.
Hammer Editor
Create and manage stories with a local-first, offline application. Your data is stored in human-readable files, ensuring transparency and easy access. Seamlessly sync your work across multiple devices with optional self-hosted solutions.
- Offline-first operation
- Multi-platform support
- Transparent local data storage
- Intelligent device syncing
- Optional self-hosted syncing
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Please join our Discord to report issues! https://discord.gg/GTmgjZcupk Multi-platform This app is where ever you are. Your phone, tablet, desktop, laptop, this program can be installed and run, not simply a website-in-a-box, but instead using native client side technologies to provide the best experience possible. Offline first I was frustrated with most of the story writing software I was finding as they were using web technologies (aka: Web Page in a box) which always seems to run into problems while being used offline for long periods of time. Hammer is designed from the ground up to be entirely local, no internet connection required, ever. Transparent Data Your data is yours. It's not stored in the cloud, or some opaque database. It is stored in simple, human readable files, just using files and folders to define the project structure. You can open your OSes file browser and take a look for your self. If this program went away today you would be able to easily interact with your data. Intelligent Syncing between devices Your data can be synchronized between devices allowing you to work on your story from anywhere, and have no fear of a change on one device, overwriting a change on another device. Optional and Self hosted Syncing Syncing is entirely optional, you can install the client and use it on one device, or you can install the server and sync your data between devices.
Screenshots
Verdict
The clearest difference is ads: Hammer Editor at none against RC Markdown's shown. RC Markdown's advantage is update cadence (daily vs every 6 days). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.
RC Markdown ships an update daily, Hammer Editor every 6 days. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.
| Parameter | RC Markdown | Hammer Editor |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Daily — better | Every 6 days |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 117 MB |
| Age rating | 4+ | 4+ |
| Developer | Jaehong Lim | Adam Brown |
In-app purchases
RC Markdown
No in-app purchases
Hammer Editor
No in-app purchases








