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Best Complication Lab Apps

250+ iOS apps curated and reviewed

3.3 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good complication lab apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Complication Lab Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Complication LabComplication LabFree3.5★ (4)NoYesSep 2026
2@Lab@LabFree—NoNoSep 2026
3Watch Faces & Widget GalleryWatch Faces & Widget GalleryFree4.6★ (23K)NoYesSep 2026
4National Path LabNational Path LabFree—NoNoSep 2026
5AC Lab SystemAC Lab SystemFree—NoNoMay 2026
6Clinical Lab SciencesClinical Lab SciencesFree1.3★ (3)NoNoMay 2026
7LDP - Lab Disposable ProductsLDP - Lab Disposable ProductsFree—NoNoSep 2026
8Duffy - Steps ComplicationDuffy - Steps ComplicationFree4.7★ (757)NoYesSep 2026

Top Picks for Complication Lab

Complication Lab#1

Complication Lab by Olberry

Custom Complications & Widgets
Editor's Choice
📊 Productivity
3.5(4 ratings)
FreeIn-App Purchases
Complication Lab screenshot 1
Complication Lab screenshot 2
Complication Lab screenshot 3
Complication Lab screenshot 4
Complication Lab screenshot 5

Personalize your Apple Watch and iPhone with custom complications and widgets. Display health data, HomeKit information, and more with extensive customization options. Create an unlimited number of unique setups to match your lifestyle.

Watch Faces & Widget Gallery#3

Watch Faces & Widget Gallery by Hyperday MB

Compatible with your Watch
Worth Considering
🌟 Lifestyle
4.6😞(23K ratings)
FreeIn-App Purchases
Watch Faces & Widget Gallery screenshot 1
Watch Faces & Widget Gallery screenshot 2
Watch Faces & Widget Gallery screenshot 3
Watch Faces & Widget Gallery screenshot 4
Watch Faces & Widget Gallery screenshot 5
Watch Faces & Widget Gallery screenshot 6

Discover and install thousands of unique, customizable watch faces and widgets for your Apple Watch. Personalize your device with complication-based designs, wallpaper styles, and even your own photos. Enjoy regular free updates and a smooth, one-tap installation process.

What We Love

  • 👍 Easy to use
  • 💡 Lots of free options
  • 🚀 Quick syncing
  • 😊 Great app overall

Room to Improve

  • 🐛 Crashes and freezes
  • 💰 Expensive subscription
  • 🔍 Limited selection of free faces
  • 🤔 Misleading advertising

More Complication Lab apps to explore

FAQ about Complication Lab

What are the best complication lab apps for iPhone?
Complication Lab tops our complication lab apps ranking as of September 2026, with a 3.5-star average from 4 App Store ratings, and it's free to download.
Yes — 20 of the top complication lab apps we rank are free to download, including Complication Lab and @Lab.
Complication Lab has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ complication lab apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Complication Lab allows you to create custom complications for your Apple Watch and widgets for your iPhone's Lock Screen and Home Screen. You can display over 30 types of health data, such as heart rate and blood oxygen, as well as HomeKit data.
Key features include access to over 30 health data types, the ability to add these to Apple Watch complications and iPhone widgets, HomeKit data integration for widgets, extensive personalization with custom colors and styles, and the creation of unlimited complications and widgets.