Top Developer Tools apps in United Kingdom 🇬🇧
As of May 20, 2026, TestFlight is the #1 Developer Tools app in United Kingdom on iOS.
iOSAndroid
#App / PublisherCategoryIntel
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What changed
Movement between the previous day and May 20, 2026.
New entrants
Node.js Lab#69
Risers
- Surge 5
#91 → #42
Bugjaeger - Mobile ADB#94 → #54
xTerminal - SSH Terminal Shell#98 → #58
- avoGate
#76 → #39
Swifty Compiler: Swift IDE#100 → #66
Fallers
Reins: Chat for Ollama#54 → #98
- WdreaUp - AI Job Styler
#14 → #48
Postmon - Rest API Client#67 → #96
Device Info Tool#52 → #76
Proxmox VE Companion#43 → #63
Methodology
Rankings are pulled daily from the iOS store charts for United Kingdom. We snapshot the top entries each day and compute day-over-day change relative to the prior snapshot. See our full methodology for data sources, refresh cadences, and quality filters.
Frequently asked questions
What is the #1 Developer Tools app in United Kingdom on iOS?
As of May 20, 2026, TestFlight is the #1 Developer Tools app in United Kingdom on iOS, based on the public iOS chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the iOS charts for United Kingdom every day and computes day-over-day movement. The "Current" page always reflects the latest snapshot; dated archive pages preserve each day's top 50.
Where does Marlvel's ranking data come from?
Rankings are pulled from the public iOS store charts for United Kingdom. See our methodology for data sources, refresh cadence, and the quality filters applied before a ranking is indexed.