Comparison

YAML Tools vs Mdly

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

YAML Tools

A comprehensive YAML utility for developers on iOS. Visualize, format, convert, and generate code from YAML files. Includes validation and a dedicated syntax keyboard for efficient editing.

Highlights
  • Interactive Tree and Table View for YAML visualization
  • Convert YAML to JSON, XML, CSV, and more
  • Generate type-safe model classes for multiple languages
  • Real-time JSON Schema generation and validation
  • Dedicated YAML syntax keyboard overlay
  • Format and minify YAML structures
Features
Read full description

The ultimate YAML toolkit for developers. Visualize, validate, convert, and generate code - all in one powerful, beautifully designed iOS app. YAML Tools is the professional-grade YAML utility built for developers who demand speed, precision, and versatility. Whether you're editing Kubernetes configs, debugging CI/CD pipelines, or generating type-safe model classes, YAML Tools handles it all natively on iPhone and iPad. Visualize & Explore Dive into your YAML with an interactive Tree View and path-based querying. Use the Table View to inspect sequences like a spreadsheet. Rainbow column highlighting makes CSV/TSV output instantly readable. Format & Transform Prettify nested structures with smart indentation or strip whitespace with the Minify engine. Convert YAML to JSON, XML, CSV, TSV, TOML, HTML, Markdown, Base64, and more instantly. Generate Production-Ready Code Export type-safe model classes for Dart, Swift, Kotlin, Java, Python, TypeScript, and C# with intelligent property singularization and pluralization. Stop writing boilerplate, YAML Tools writes it for you. Validate with Confidence Auto-generate JSON Schema from any YAML document, then validate payloads against it in real time. Catch structural errors before they reach production. Built for iOS A dedicated YAML syntax keyboard overlay, native Document Picker integration, and background processing keep the experience fast and fluid, even on large configuration files.

About

Mdly

This app provides a fast, read-only experience for viewing Markdown and Mermaid files across Apple devices. It offers seamless iCloud synchronization, powerful rendering of modern Markdown features, and inline support for various Mermaid diagrams, all within a distraction-free interface.

Highlights
  • Read-only Markdown viewing
  • Mermaid diagram rendering
  • iCloud Drive integration
  • Full-text search
  • Table of Contents navigation
  • Dark and light themes
Features
Read full description

Mdly is a fast, read-only Markdown viewer designed for effortless reading across iPhone, iPad, and Mac. Open your .md files directly from iCloud Drive or local folders and enjoy clean, distraction-free rendering anywhere. Built for developers, writers, and anyone who keeps documentation in Markdown, Mdly focuses on one thing: reading Markdown comfortably. Seamless iCloud Experience Access the same Markdown files across all your Apple devices. Files created on your Mac appear instantly on iPhone and iPad through iCloud sync. Powerful Markdown Rendering Mdly fully supports modern Markdown features: - Headings, lists, tables, blockquotes - Syntax-highlighted code blocks - GitHub-style Markdown rendering Mermaid Diagram Support Render Mermaid diagrams inline, including: - Flowcharts - Sequence diagram - Timelines and more Perfect for viewing technical documentation on the go. Designed for Reading Mdly is intentionally read-only — no editing distractions. - Slide-up Table of Contents navigation - Full-text search across files - Recent files access - Dark and light themes - Clean typography optimized for long reading

Screenshots

YAML Tools4 screens
Mdly4 screens

Verdict

The call

The clearest difference is chart position: YAML Tools at #4 against Mdly's #154. YAML Tools also leads on price ($0.99 vs $1.99) and iOS requirement (15.6 vs 18.0). Mdly's advantage is update cadence (every 2 weeks vs monthly). On ads, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

YAML Tools costs $0.99 and Mdly $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

YAML Tools ships an update monthly, Mdly every 2 weeks. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

Scorecard4 real differences · 7 level
YAML Tools versus Mdly: the parameters behind the verdict, then further details
ParameterYAML ToolsMdly
Price$0.99 — better$1.99
Rating5.0 (1 ratings) — better—
Positive reviews—0.0% of reviews
Number of ratings1 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#4 — better#154
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better18.0
Further details — not scored
Size30 MB16 MB
Age rating4+4+
DeveloperMohammed AadhilYuta Hoshina

Customer experience

YAML Tools

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Mdly

Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

YAML Tools

No in-app purchases

None

Mdly

No in-app purchases

Questions

Is YAML Tools free?
YAML Tools costs $0.99, with no in-app purchases.
Is Mdly free?
Mdly costs $1.99, with no in-app purchases.
Do YAML Tools or Mdly have ads?
Neither YAML Tools nor Mdly shows ads.
Which is updated more often, YAML Tools or Mdly?
YAML Tools ships an update monthly, and Mdly every 2 weeks. Most recently, YAML Tools was updated on October 6, 2026 and Mdly on September 30, 2026.
Which is more popular, YAML Tools or Mdly?
YAML Tools currently peaks at #4 in the App Store charts, and Mdly at #154. Chart position reflects recent download velocity rather than total install base.

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