Honest review
Picks up the squats perfectly. But doesn’t pick up all the push ups. Haven’t done the pull-ups or sit-ups yet. I do like it, but wish it’d pick up all the reps on push-ups.
Free
In-App Purchases
About
Automatically counts your reps for exercises like squats, push-ups, and pull-ups using your phone's camera. It records each set, stitches the footage into a shareable timelapse, and offers built-in and customizable challenges for accountability.
✓Automatic rep counting via camera
✓On-device motion tracking
✓Video recording of each set
✓Shareable timelapse creation
✓Built-in and custom challenges
✓Face blurring for privacy
✓No account required
Show original description
+1
What's New in Tetsuo
2.0.11
August 5, 2026
Improved sound cues. Additional stats.
Subscription plans
DAY100 Plus
Export in 4K
$2.991 Month
1 Month trialUser reviews
Developer apps
FAQ
How does Tetsuo count my reps?
Tetsuo uses your phone's camera and on-device motion tracking to detect and count your reps for exercises like squats, push-ups, and pull-ups automatically. You simply set up your phone and perform your workout without needing to tap or manually log.
Does Tetsuo record my workouts?
Yes, Tetsuo records every set you perform. It then automatically trims the footage to the action and stitches it into a short, sped-up timelapse with your rep count overlaid, ready for sharing.
Can I share my workout videos from Tetsuo?
Absolutely. Tetsuo creates a share-ready timelapse of your workout that you can customize in terms of look and speed. You can then save it or share it directly to platforms like Instagram or TikTok.
What privacy features does Tetsuo offer?
Tetsuo prioritizes privacy with features like face hiding, which automatically blurs or pixelates faces in your workout clips. All data, including rep counting and video, stays on your device, and no account is required.
What kind of challenges are available in Tetsuo?
Tetsuo includes built-in challenges like 'DAY100' and quick daily tests. You can also create your own custom challenges by selecting exercises, daily goals, and duration, and share them with friends for mutual accountability.
Does Tetsuo have ads?
No, Tetsuo does not contain advertisements. The app is free to use with optional in-app purchases for premium features.
What are the subscription options for Tetsuo?
Tetsuo offers a 'DAY100 Plus' subscription at $2.99 per month or $17.99 per year, both including a one-month free trial. These plans likely unlock additional features or content beyond the free offering.
What devices does Tetsuo support?
Tetsuo is currently supported on iPhone devices. The app was last updated on August 5, 2026, with version 2.0.11.
