- Racompass - GUI for Redis
- RadBeacon
- Raizing 365
- Random Color Generator
- RankGuru SEO
- Ratio Calculator
- Raw Dog XML Viewer
- Rayout
- RC Lytx
- RCKit - RevenueCat Dashboard
- RCode - universal code editor
- RevenueCat Sales: RCReporting
- Reach Bluetooth Analyzer
- React Native Paper
- React Native Review
- Expo & React Native components
- ReActivity
- RealDNS - Dynamic DNS
- Reality - MSL Editor
- Realm Browser
- ReasonML
- Receigen
- Recipes for Swift
- Recipes for Swift Pro
- RecMacros
- RectLabel
- RectLabel Pro
- Red - UI for Redis
- Red Green Refactor
- Red Lines Tools
- ASO Toolkit by Redbox Mobile
- Redirector
- Redis Pro
- Redis Server
- Redpen Extension
- Redpen.ai
- Redux Monitor
- Refined GitHub
- RegEx Extractor
- RegEx Lab: Regular Expressions
- Regex Replacer
- Regex Tester/Builder
- RegEx+
- RegExp
- RegExRX
- RegexToolBox
- Regextor
- Reggy Bear
- Total Refresh for Safari
- Remote Desktop - VNC
- RemoteBoot Pro
- RemoteStash
- Reporting - Ad Network Reports
- ReportX
- Requester
- Requestflow
- Resistor AI Calculator
- Resize This
- Resizer
- Resizor
- Resolutioner
- Responsive Design Browser
- REST API Client
- Rest Client
- Rest – HTTP API Client
- RESTful Menu
- RESX Editor
- RETRO FORTH
- REtroAnimator
- RetroBoi
- Revenue Check for Unity Ads
- ReviewKit - Ratings & Reviews
- Reviews Time
- App Reviews - iOS & Android
- Revisor
- ReX-T
- RFWork2
- RGB Hex Converter
- Ridill SQLite Browser
- Right Click Booster
- Rigmon - GPU miner monitoring
- Ringtones Maker
- RMarkdown 2 - Markdown Editor
- Rnd Generator
- Robert54
- ROBO Pro Coding
- RoboArm
- RoboDB MySQL Manager
- Robot Mobile
- RocketCake Professional
- RocketCake Website Editor
- RocketSim for Xcode Simulator
- ROMAN Pro
- Rounding shape
- RSCommander
- Rsync Server - Basic Edition
- Rsyncinator
- Rubicon
- Ruby Runner
- Ruby Tutorial - Simplified
- Rubyist - Ruby Scripting
- Ruler for Safari
- Ruler Magic
- Run Bash
- Run Lua
- Run Node
- Run Perl
- Run PHP
- Run Python
- Run Ruby
- Runway 2