Two taps saves 100 kg × 5 to your history.
SAJL opens with the cursor already sitting in the weight field, so a full set takes two taps from lock screen to saved.

The cursor is on the weight field before your thumb lands.
Taps from your lock screen to a saved 100 kg × 5. The keyboard opens with the cursor already inside the weight field, so you type instead of navigate.
Filter your workout history by exercise name. Tap any number to see the date and the previous session's reps for the same lift.
The screen you sit on between sets.
The rest timer runs itself while your weight and reps stay prefilled from the last time you touched this exercise. Tap save and the next set is queued.

Want a coach instead of a notepad?
STRD reads your Apple Health recovery and writes tomorrow's session for you. SAJL is where you save the sets you already planned.
No. SAJL opens straight to the log screen with zero sign-up flow.
On your iPhone. Nothing leaves the device unless you enable iCloud backup in Settings.
Yes. Finished workouts write to Apple Health so your Move ring closes with the minutes you spent lifting.
Yes. Free forever with no premium tier and no in-app purchases.