Diary
Your private training diary
Write about a session, a niggle, a good week or a hard one. Tag it, search it later, and link it to the workout it's about.
Replaces a training journal. Part of one app, for one subscription.
- Private to you
- Tags and search
- Link entries to sessions
Your diary. Screens show sample data.
How it works
Diary, step by step
- 01
Write
An optional title, the date, how you felt from rough to great, and your words.
- 02
Tag
Training, recovery, niggle or injury, nutrition or mindset.
- 03
Link a session
Finish a workout and tap "write about this session".
- 04
Look back
Search and filter by tag to see what helped last time.
Key features
What you get, and why it helps
- Completely private
- Diary entries are never shared, and only you can read them.
- Edit and delete any time
- Your words, kept as long as you want them.
The numbers
Why it matters
Research and official figures behind this part of 3Lite. See all the numbers.
82%
of UK adults agree regular physical activity is important for mental health and wellbeing.
Source: Mental Health Foundation, 2024
48%
of UK adults track their exercise, 30% their weight or diet and 22% their sleep.
Source: YouGov, 2024
Can anyone else read my diary?
No. Diary entries are private to your account and never appear in the community.
Also in the same app
ProgressDaily weight jumps around. 3Lite shows the trend, your measurements, private photos side by side, strength records and a muscle map of this week's training.
TrainingChoose a split or let 3Lite choose, and get a programme built around your days, equipment and experience. Log every set in seconds and drag sessions to another day when life gets in the way.PrivacyHealth data deserves care. 3Lite asks for your consent before storing it, keeps it private to your account, never sells it or uses it for advertising, and lets you take it or delete it whenever you like.
Start with 14 days free.
Training, food, sleep, supplements and progress in one app, for one subscription. No card to start.