Best Free Tachometer Apps

248+ iOS apps curated and reviewed

3.6 avg rating
19 free apps
Updated October 2026

If you already know Strobe Light Tachometer, this is the deeper bench. 248+ free tachometer apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Free Tachometer Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Strobe Light TachometerStrobe Light TachometerFree4.2★ (281)NoNoNov 2026
2EngineForgeEngineForgeFree—NoNoOct 2026
3Acoustic TachometerAcoustic TachometerFree—NoYesNov 2026
4Simple GPS SpeedSimple GPS SpeedFree—NoNoOct 2026
5Strobe Light – RPMStrobe Light – RPMFree2.0★ (1)YesYesOct 2026
6Video tachometerVideo tachometerFree4.6★ (84)NoYesOct 2026
7SoundRPM: Engine TachometerSoundRPM: Engine TachometerFree3.0★ (2)NoYesOct 2026
8Speedometer»Speedometer»Free4.8★ (51K)YesYesNov 2026

Top Picks for Free Tachometer

4.2😐(281 ratings)
Free
Strobe Light Tachometer screenshot 1
Strobe Light Tachometer screenshot 2
Strobe Light Tachometer screenshot 3

Transform your iPhone into a powerful strobe light and tachometer. Precisely control flashing speeds from 1Hz to 130Hz to measure the RPM of rotating objects by making them appear stationary. Ideal for precise speed measurements in dark environments.

What We Love

  • ✅ Accurate frequency and RPM measurements
  • 👍 Simple and user-friendly interface
  • 🎓 Excellent educational tool for teaching frequency concepts
  • 💰 Free application
  • ⚡ Quick and easy to use, even one-handed
  • 🎯 Effective for checking turntable, lathe, and fan speeds
  • 📱 Works well on most iPhone models
  • 🔧 Useful for professional HVAC and mechanical applications

Room to Improve

  • 💡 LED flash brightness is too dim
  • 🐛 Strobe light cuts out or blacks out intermittently
  • 🐛 Inconsistent and erratic flashing patterns
  • ⚠️ Hardware compatibility issues with older iPhone models
  • 🐛 Strobe stops working after extended use
  • 📺 Ads in the control interface
  • 🔌 LED flash may not be at maximum brightness setting
  • 🌞 Difficult to see in bright daylight conditions

More Free Tachometer apps to explore

FAQ about Free Tachometer

What are the best free tachometer apps for iPhone?
Strobe Light Tachometer tops our free tachometer apps ranking as of October 2026, with a 4.2-star average from 281 App Store ratings, and it's free to download.
Strobe Light Tachometer has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ free tachometer apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.