2.9 is focused on making Intrvl clearer, more useful, and safer to rely on as your training history grows. Five upgrades worth knowing about.

Refreshed neon glass UI

The dashboard, timers, navigation, Weight Book, and support screens have been tightened so the app feels more consistent and easier to scan during a session. Less visual noise. Quicker to read between sets.

The same precision tools, surfaced more cleanly.

Expanded Activity Timers

Sports timing now has richer category flows, stronger custom timer support, favourites, and editable presets. If you build interval timers around a specific sport or coaching block, 2.9 makes that faster.

The same background-safe engine still drives every timer. A backgrounded round timer keeps perfect time the way the rest timer always has.

Goal-aware Muscle Breakdown

Muscle Breakdown used to show raw volume across muscle groups. That answers "what did I work" but not "is it the right work."

2.9 surfaces balance, drift, and needs-attention feedback against your stated training priorities. The new Goals screen lets you rank focus areas: shoulders, arms, chest, back, legs, core. The muscle heatmap then reads against those priorities, not just session totals.

If you're a hypertrophy lifter pushing chest and back this block, you'll see when shoulders or legs are drifting before the imbalance shows up in the mirror. If you're a powerlifter prioritising the big three, you'll see whether accessory work is actually loading the muscles you said matter.

This is the difference between volume tracking and volume tracking that knows what you're training for.

Safety Snapshots

Data Management now includes Safety Snapshots: local backup files you can create and restore on device.

Two things are different from a typical backup flow:

If you've been logging in Intrvl for a year and don't want a single iCloud hiccup to lose that history, Safety Snapshots are your fallback. iCloud sync stays optional and Apple-managed; snapshots add a second layer that lives entirely on your device.

Weight Book and stability

Weight Book summary tiles have been redesigned for cleaner reading. Launch and recovery paths are safer. A handful of edge cases around app start have been fixed.

If your Weight Book felt slightly inconsistent on previous releases, this update is for you.

What this release is for

2.9 is a practical update. Better feedback against your training intent, better timer flexibility, better data protection, a cleaner interface across the app.

The progressive overload tracking, Effective Volume, Strain Score, and offline-first analytics you already use are unchanged. 2.9 sharpens how you read them.

Get the update

Update from the App Store. Questions? Contact info@intrvl.app.

Try Intrvl free for 7 days. Subscribe for $39.99/year or unlock forever for $79.99. No ads. All analytics included. Effective Volume, Strain Score, Volume Analytics, Muscle Heatmap.