App Overview

Buffer Editor - Code Editor icon

Buffer Editor - Code Editor

Blakzero Oy · Developer Tools

Buffer Editor is a POWERFUL code and text editor that lets you easily develop software, view code or take notes on the go

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
3.9
158 ratings · Top 50%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

Make this idea yours

A product spec, screen plans, and build steps for your coding agent.

First kit free with a verified email

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Combine features and design from your favorite apps.

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What's included19 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
Preview a sample Build Kit No email needed

Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Free quick prompt For a smaller starting point

Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Buffer Editor - Code Editor: map the core Developer Tools workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Competitive pricing with generous free tier

Assumption to check: Expensive subscription

Validate with people who use this workflow before building.

Hypothesis 2

Focus on most-requested features first

Assumption to check: Missing features

Validate with people who use this workflow before building.

Hypothesis 3

Optimize for 60fps, fast load times

Assumption to check: Poor performance

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

Buffer Editor is a POWERFUL code and text editor that lets you easily develop software, view code or take notes on the go. Enjoy an editing experience that is both versatile and intuitive, and take your productivity to the next level. • Connect to GitHub, GitLab, BitBucket, Custom Git, Dropbox, iCloud, Google Drive, SFTP, SSH, and FTP servers • Git Operations for easy repository management • Git Visual Merge Tool to resolve merge conflicts. • Git Visual Branch and Commits History. • Live editing—open, edit, and save files directly to remote services • Network monitoring for remote services (FTP, SFTP, SSH) • Built-in Terminal (SSH Client) with multiple terminals in tabs. • Syntax highlighting & code autocomplete: ASP, AWK, ActionScript, Ada, Arduino, Bash, C, C++, C#, Clojure, Cobol, CSS, D, Dart, Dockerfile, Erlang, F#, Fortran, Gherkin, Go, HAML, Haskell, HTML (4 & 5), INI, Java, JavaScript, Julia, Kotlin, LaTeX, Common Lisp, Lua, Markdown, MATLAB, MQL (4 & 5), NSIS, Objective-C, Org Mode, Pascal, Perl, PHP, PowerShell, Progress, Prolog, Pug, Puppet, Python, Q/kdb+, R, reStructuredText, Ruby, Rust, Scala, Solidity, SQL, Stata, Swift, Terraform, TypeScript, TypeScript React, Verilog, VHDL, Visual Basic, Vue, x86 ASM, XML • Vim mode support • Symbol navigator / document outline • Code autocompletion, with custom snippets. • Find & replace with regular expression support • Recursive file and content search—match and jump to any file at a specific line • Find references in file and jump to any file • Bracket matching and highlighting • Line and word wrapping • Unicode support • Multiple windows, Split View, and Slide Over support • Tabs with automatic restore—quickly switch between files and terminals • Full screen mode • Extended keyboard with coding keys • Bluetooth keyboard support with shortcuts manager • Customizable fonts, font sizes, and over 300 dark and light themes • Full iOS Files integration—link external folders, open multiple files, import from any supported cloud provider • Local and Remote Preview for websites(HTML,JS,CSS) • Preview images, PDFs, movies, and documents • Send files by email • iOS "Open In" support (to and from other apps) • Touch ID / Face ID protection SUBSCRIPTION: - You can subscribe for Pro access to all app’s features. - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. By using the app, you are agreeing to our Privacy Policy and Terms of Service: https://www.buffereditor.com/privacy https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Written user reviews are not shown here. Check current App Store reviews >

Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
Supabase
RevenueCat
BUILD KIT DIFFICULTY
Advanced

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.