Best CPU Stress Test Apps & Games

190+ iOS apps & games curated and reviewed

3.7 avg rating
18 free apps & games
Updated September 2026

The best cpu stress test apps and games on iPhone average 3.7★ across 190+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top CPU Stress Test Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AnTuTu BenchmarkAnTuTu BenchmarkFree4.7★ (8.3K)YesNoSep 2026
2Geekbench 6Geekbench 6Free2.9★ (237)NoNoAug 2026
3CPU-x Dasher z Battery lifeCPU-x Dasher z Battery lifeFree4.6★ (23K)YesYesSep 2026
4PhoneScan - CPU speed testPhoneScan - CPU speed testFree4.0★ (223)NoYesJul 2026
5CPU BenchmarkCPU BenchmarkFreeNoNoMay 2026
6Dev Detect - CPU MasterDev Detect - CPU MasterFreeNoYesJun 2026
7Imaging Stress TaskImaging Stress TaskFreeNoNoMay 2026
8Stress Test - risk calculator of life stressStress Test - risk calculator of life stressFree1.0★ (1)NoNoMay 2026

Top Picks for CPU Stress Test

4.7😊(8.3K ratings)
FreeAds
AnTuTu Benchmark screenshot 1
AnTuTu Benchmark screenshot 2
AnTuTu Benchmark screenshot 3

This app offers a comprehensive performance benchmark for mobile devices. It simulates real-world usage scenarios across CPU, memory, storage, and graphics to help users understand their device's full potential and capabilities.

What We Love

  • 🚀 Works great
  • 👍 Best benchmark app
  • 👍 Accurate and detailed
  • 👍 Easy to use
  • 👍 Comprehensive testing
  • 👍 Excellent tool
  • 👍 Useful and informative
  • 👍 Smooth and user-friendly
  • 👍 Fantastic benchmarking tool

Room to Improve

  • 🐛 Crashes/freezes on some devices
  • 🐛 Compatibility issues with newer iOS versions
  • 🔋 High battery consumption
  • 👎 Too many ads/prompts to rate the app
  • 👎 Mostly in Chinese, lacking English translation
Geekbench 6#2

Geekbench 6 by Primate Labs Inc.

CPU and GPU test for iPhone
Strong Contender
🔧 Utilities
2.9😐(237 ratings)
Free
Geekbench 6 screenshot 1
Geekbench 6 screenshot 2
Geekbench 6 screenshot 3
Geekbench 6 screenshot 4

Measure the performance of your mobile device's CPU and GPU. Compare your results against the latest devices and understand real-world usage scenarios. Supports cross-platform comparisons.

What We Love

  • 👍 Great app for benchmarking
  • 🚀 Reliable comparisons
  • 💡 Allows testing of CPU and GPU
  • 👍 Useful for checking device performance

Room to Improve

  • 🐛 Crashes during CPU benchmark
  • 🐛 Crashes on certain devices (iPhone SE, iPad 9th Gen)
  • 🐛 Inconsistent performance, some devices work fine while others crash
  • 🐛 Crashes at various stages of the test
CPU-x Dasher z Battery life#3

CPU-x Dasher z Battery life by 永刚 陈

Real cpu frequency & speedtest
Worth Considering
📊 Productivity
4.6😊(23K ratings)
FreeAdsIn-App Purchases
CPU-x Dasher z Battery life screenshot 1
CPU-x Dasher z Battery life screenshot 2
CPU-x Dasher z Battery life screenshot 3
CPU-x Dasher z Battery life screenshot 4
CPU-x Dasher z Battery life screenshot 5
CPU-x Dasher z Battery life screenshot 6

This app provides detailed information about your phone's hardware and system. It offers real-time CPU frequency, network details, memory usage, and device specifications. Discover more about your mobile device's capabilities and performance.

What We Love

  • 🚀 Extensive device information
  • 👍 Useful widgets
  • 💡 Free Pro option with ads
  • 🚀 Intuitive interface
  • 👍 Helpful memory management

Room to Improve

  • 🐛 Inaccurate data usage tracking
  • 🔋 Battery drain
  • 🔒 Ads and paywall for full functionality
  • 🐛 Compatibility issues with newer devices

More CPU Stress Test apps to explore

FAQ about CPU Stress Test

What are the best cpu stress test apps & games for iPhone?
AnTuTu Benchmark tops our cpu stress test apps & games ranking as of September 2026, with a 4.7-star average from 8.3K App Store ratings, and it's free to download.
Yes — 18 of the top cpu stress test apps & games we rank are free to download, including AnTuTu Benchmark and Geekbench 6.
AnTuTu Benchmark shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 190+ cpu stress test apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
AnTuTu Benchmark provides a comprehensive performance testing suite for mobile devices. It simulates real-world usage scenarios across various components like the CPU, memory, storage, and GPU to give users a detailed understanding of their device's capabilities.
The app includes CPU tests that evaluate both single-core and multi-core performance, incorporating practical application scenarios and a dedicated CPU AI test. It also features memory and storage tests, user experience tests like document processing and video conversion, and advanced GPU tests rendered with Unreal Engine 5.5.