Best Fourth Frontier Apps & Games

145+ iOS apps & games curated and reviewed

4.2 avg rating
19 free apps & games
Updated November 2026

Finding the right fourth frontier apps and games can be overwhelming with so many options. We've analyzed 145+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Fourth Frontier Apps & Games (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frontier XFrontier XFree4.6★ (318)NoYesNov 2026
2Frontier X PlusFrontier X PlusFree3.7★ (3)NoYesNov 2026
3NM HRVNM HRVFree—NoNoAug 2026
4High Frontier 4 All TutorialHigh Frontier 4 All TutorialFree—YesNoOct 2026
5High Frontier 4 AllHigh Frontier 4 All$9.992.7★ (3)NoNoOct 2026
6Fly DeltaFly DeltaFree4.8★ (7M)YesNoNov 2026
7heroes squad vs zombies - battle defense frontierheroes squad vs zombies - battle defense frontierFree4.0★ (9)NoNoMay 2026
8heroes squad vs zombies battle defense frontier 2heroes squad vs zombies battle defense frontier 2Free—NoNoMay 2026

Top Picks for Fourth Frontier

4.6😊(318 ratings)
FreeIn-App Purchases
Frontier X screenshot 1
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Track your heart health and exercise performance with a smart chest strap wearable. Get detailed insights into heart rate, HRV, strain, and more, with personalized training feedback and alerts. Integrates with other devices and offers advanced analytics through a premium subscription.

What We Love

  • 🚀 Amazing device
  • 👍 Great HR data and insight
  • 👍 Helpful in gaining more data
  • 👍 Fantastic concept with excellent execution
  • 👍 Loads of useful information
  • 👍 Brilliant device and gives peace of mind
  • 👍 Awesome piece of kit
  • 👍 Reliable, easy-to-use, does what it says

Room to Improve

  • 🐛 Worse and worse as time goes by
  • 🐛 ECG doesn't work
  • 🐛 Chest strap issues, device keeps popping out
  • 🐛 Paywalled functionality
  • 🐛 Syncing issues, device keeps disconnecting
  • 🐛 Noisy ECG signal during certain activities
  • 🐛 App can't be viewed in landscape mode
3.7(3 ratings)
FreeIn-App Purchases
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This medical device app pairs with a wearable ECG monitor to record, store, and transfer single-channel electrocardiogram rhythms for evaluation and long-term monitoring. It provides real-time insights into heart health, including AFib detection and arrhythmia burden analysis, and integrates with HealthKit.

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FAQ about Fourth Frontier

What are the best fourth frontier apps & games for iPhone?
Frontier X tops our fourth frontier apps & games ranking as of November 2026, with a 4.6-star average from 318 App Store ratings, and it's free to download.
Yes — 19 of the top fourth frontier apps & games we rank are free to download, including Frontier X and Frontier X Plus.
Frontier X has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 145+ fourth frontier apps & games on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.