Comparison

Developer vs Letterform

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

Head to head
About

Developer

This app assists with the manual film developing process by providing a comprehensive timer and recipe management system. It offers multi-stage timers with agitation reminders and syncs to smartwatches for independent use. Built-in guides and multi-language support enhance the user experience.

Highlights
  • Film and developer data browsing
  • Multi-stage timers with step reminders
  • Recipe saving and syncing
  • Apple Watch integration
  • Built-in film developing guides
  • Multi-language support
Features
Read full description

Developer is a timer for developing film by hand. Find development data, save your favourite recipes and follow each stage of your process. - Browse film, developer, dilution, temperature and development times. - Use multi-stage timers with agitation and step reminders. - Enjoy layouts that adapt as you fold and unfold iPhone Duo. - Sync recipes to Apple Watch and time independently on your wrist. - Install and use on Apple Vision Pro. - Read built-in film developing guides with illustrations. - Choose a simple black or white appearance, with support for five languages.

About

Letterform

Features
Read full description

Letterform is a minimalist, local-first Markdown editor built for writers, developers, students, and thinkers who value absolute clarity and digital privacy. When the interface melts away, what remains is the pure connection between your thoughts and the screen. Letterform combines a powerful plaintext editor with a beautiful real-time previewer, allowing you to draft, structure, and refine your ideas without a single distraction. ELEGANT MARKDOWN EDITOR • Format seamlessly as you type with structured headers, text emphasis, blockquotes, and clean lists. • Access swift markdown shortcuts right from your custom keyboard toolbar. • Beautifully formatted typography makes both writing and editing an absolute pleasure. EFFORTLESS LOCAL DEEP ORGANIZATION • Keep your workspace perfectly structured using a clean, uncluttered folder architecture. • Track your metrics at a glance with built-in character counters. • Total Privacy: Your documents stay completely local on your device. Your words are entirely yours. BEYOND PLAIN TEXT • Embed rich media and image attachments natively into your workspace. • Preview rendered markdown output instantly with a single tap. • Manage, rename, and organize assets alongside your writing. Strip away the visual noise. Reclaim your focus. Experience the art of intentional writing with Letterform.

Screenshots

Developer3 screens
Letterform4 screens

Verdict

The call

The clearest difference is in-app purchases: Letterform at none against Developer's 1. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Developer sells 1 one-off in-app purchase. Letterform asks for nothing beyond the download.

Scorecard1 real difference · 8 level
Developer versus Letterform: the parameters behind the verdict, then further details
ParameterDeveloperLetterform
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 5 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.016.4 — better
Further details — not scored
Size19 MB47 MB
Age rating4+4+
Developer雯曦 梁Good Code Club

In-app purchases

1 purchases

Developer

One-time1
  • 专业版$5.99
None

Letterform

No in-app purchases

Questions

Is Developer free?
Developer is free to download, with in-app purchases available.
Is Letterform free?
Letterform is free to download, with no in-app purchases.
Do Developer or Letterform have ads?
Neither Developer nor Letterform shows ads.

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