The storage you carry.
Measure four read and write metrics on your iPhone or iPad. Compare public references by model and capacity, with separate iPhone and iPad lists.
Compare the matching capacity.LIGHTNING BENCH · FOR iPHONE & iPAD
Your storage.In the spotlight.
Know how fast. See how it compares.
Make every result worth sharing.
US$2.99One-time purchase. No subscription.
Coming soon. The App Store page will be available at launch.
Actual app interface. Results vary by device and conditions.
A CLEARER VIEW OF SPEED
More than a big number.
From large transfers to tiny files, understand the way your storage works.
Read between
the numbers.
Sequential reads measure large-file transfers. 4K random reads reveal how storage handles many small requests.
4KRandom access
MB/sSequential speed
IOPSOperations per second
Public references are comparisons, not guaranteed scores.ONE APP. MORE POSSIBILITIES.
Inside. Outside. Insight.
A closer look at your drive.
Connect a compatible local drive. Choose a writable folder and measure sequential write/read cycles, with control over file size and cycles.
See the write budget before you start.
ROOM TO SEE MORE
A bigger canvas.
The same clarity.
Made for iPhone and iPad. Designed to adapt on iPhone Duo, inside and out.
iPad
More space. More perspective.
iPhone Duo
Unfold a clearer view.
iPad and iPhone Duo preview uses illustrative data, not measurements or performance predictions.
Powerful. Personal. Simple.
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No account needed.
Open the app and start with your device. No advertising. No subscription.
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Your data stays yours.
Results are stored locally. Nothing is automatically uploaded as a benchmark submission.
Speaks your language.
13 interface languages, following your system language by default. Light and dark appearances, too.
Get to know your storage.
Lightning Bench for iPhone and iPad.
Discover it on the App Store ↑US$2.99 · One-time purchase. Regional pricing may vary.