Developer vs Letterform
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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.
Letterform
Read full descriptionHide 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
Verdict
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
Both are free to download. Developer sells 1 one-off in-app purchase. Letterform asks for nothing beyond the download.
| Parameter | Developer | Letterform |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 19 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | 雯曦 梁 | Good Code Club |
In-app purchases
Developer
- 专业版$5.99
Letterform
No in-app purchases








