Keyr vs Md Preview
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Keyr
Secure your accounts with two-factor authentication. Easily generate one-time passwords by scanning QR codes or entering secrets. Manage and sync your OTPs across devices using iCloud.
- Generate OTPs via QR code
- Generate OTPs via Base32 secret
- Copy OTP to clipboard
- Rename or remove OTPs
- Secure storage with Keychain
- Sync OTPs across devices with iCloud
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Features - the ability to create a OTP by scanning a QR code - the ability to create a OTP by entering a Base32 secret - the ability to copy a OTP to the pasteboard - the ability to rename or remove a OTP - use of the Keychain to persist OTP - use of iCloud to sync OTP across devices
Md Preview
View your Markdown files with exceptional clarity on iPhone and iPad. Supports all Markdown features, code syntax highlighting, LaTeX math, and Mermaid diagrams. Renders files offline and integrates with other apps.
- Full GFM support (tables, task lists, footnotes)
- Syntax highlighting for 40+ programming languages
- LaTeX math rendering with KaTeX
- Mermaid diagram support
- Offline rendering on-device
- System file handler for .md files
- Dark mode with automatic theme switching
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Md Preview renders your Markdown files with stunning clarity — right on your iPhone or iPad. Open any .md file from ChatGPT, Obsidian, Notion, GitHub, or 100+ other apps. Md Preview instantly shows a beautiful, fully-rendered preview with support for every Markdown feature you need. FEATURES • Full GFM Support — Tables, task lists, footnotes, strikethrough, and autolinks • Syntax Highlighting — 40+ programming languages beautifully colored • LaTeX Math — Inline and display equations powered by KaTeX • Mermaid Diagrams — Flowcharts, sequence diagrams, pie charts, and more • Dark Mode — Automatic theme switching that follows your system setting • 100% Offline — All rendering happens on-device. No data ever leaves your phone • Open From Anywhere — Works as a system file handler for .md files from any app • File History — Quickly reopen recent files with one tap • Share Extension — Receive Markdown files shared from other apps SUPPORTED FORMATS .md, .markdown, .mdown, .mkd, .mkdn, .mdwn, .mdtxt, .mdtext, .mdx, .rmd, .qmd Md Preview is the fastest way to read Markdown on iOS. No editing, no clutter — just a clean, beautiful preview.
Screenshots
Verdict
The clearest difference is price: Keyr at Free against Md Preview's $1.99. Keyr also leads on review sentiment (100% vs 71%). Md Preview's advantage is rating (4.4 vs 4.0) and ratings volume (5 vs 1). On update cadence, ads, in-app purchases and device support 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
Keyr is free to download; Md Preview costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Md Preview holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Md Preview has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 100% of Keyr's written reviews are positive against 71% of Md Preview's, so the app with the better star average is not the one people write more warmly about.
Keyr ships an update every 2 days, Md Preview every 3 days. Both last shipped on November 5, 2026.
| Parameter | Keyr | Md Preview |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.0 (1 ratings) | 4.4 (5 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 71.4% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 2 days — better | Every 3 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Jarrod Norwell | CyberGame Limited |
Customer experience
Keyr
Md Preview
In-app purchases
Keyr
No in-app purchases
Md Preview
No in-app purchases
