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Best Radiator Apps

247+ iOS apps curated and reviewed

4.2 avg rating
16 free apps
Updated September 2026

The best radiator apps on iPhone average 4.2★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Radiator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RadiateRadiateFree4.9★ (30K)NoYesSep 2026
2Golpher RadiatorGolpher RadiatorFree—NoNoMay 2026
3RadiatorOutputRadiatorOutputFree—NoNoAug 2026
4Radisize: Radiator CalculatorRadisize: Radiator CalculatorFree was $1.99—NoYesMay 2026
5Radiator Size CalculatorRadiator Size CalculatorFree—NoYesJul 2026
6Radiator Calculator ProRadiator Calculator ProFree was $0.99—NoYesSep 2026
7Radiator Supply HouseRadiator Supply HouseFree5.0★ (1)NoNoSep 2026
8Radiator CalculatorRadiator Calculator$1.994.8★ (4)NoNoAug 2026

Top Picks for Radiator

Radiate#1

Radiate by Radiate The World, Inc.

Events, Festivals, and Friends
Editor's Choice
🌐 Social Networking
4.9😊(30K ratings)
FreeIn-App Purchases
#96in Social Networking
Radiate screenshot 1
Radiate screenshot 2
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Radiate screenshot 4
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Radiate screenshot 6

Connect with people attending the same concerts, festivals, and nightlife events. Discover events, see who's going, and make new friends. Features include event-specific group chats, a secure ticket marketplace, and an interactive 3D social map.

What We Love

  • 👍 Great social app for connecting with like-minded people
  • 🗺️ Impressive map tool for finding events
  • 💬 Convenient chat features for groups and events
  • 🤝 Helps build rave community and make new friends
  • 🎉 Useful for finding events and meeting up with others

Room to Improve

  • 🗓️ Confusing to keep track of past events and festivals
  • 🚫 Concerns about data privacy and inability to delete account
  • 🤖 Issues with bot accounts and scammers
  • 🇨🇦 Lack of coverage for Canadian festivals and events
RadiatorOutput#3

RadiatorOutput by Sebastjan Valic

Radiator sizing app
Worth Considering
📊 Productivity
0.0(0 ratings)
Free
RadiatorOutput screenshot 1
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Calculate radiator heat output based on water and air temperatures. Ensure optimal energy efficiency and cost savings by selecting the correct radiator size for any heating system, including those with low water temperatures. Supports metric units and can also calculate cooling output for convectors and fan-coils.

More Radiator apps to explore

FAQ about Radiator

What are the best radiator apps for iPhone?
Radiate tops our radiator apps ranking as of September 2026, with a 4.9-star average from 30K App Store ratings, and it's free to download.
Yes — 16 of the top radiator apps we rank are free to download, including Radiate and Golpher Radiator.
Radiate has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 247+ radiator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Radiate is a social platform designed to help you connect with people attending the same concerts, festivals, and nightlife events. It allows you to discover events, see who else is going, join dedicated group chats, and even buy or sell tickets and merchandise through a secure marketplace.
Key features include event-specific group chats and forums for easy connection, a secure PayPal-backed marketplace for buying and selling tickets and clothing, and an interactive 3D social map to visualize event attendees and friends' plans.