Daylio vs Steadyline for Bipolar Disorder
Daylio is one of the most popular mood trackers out there. Steadyline is for the moment when a smiley face and an activity tag stop answering the questions bipolar asks.
Short answer
Daylio is better for simple mood and habit logging. Steadyline is better if bipolar is the main condition you are tracking and you need sleep, energy, irritability, medication context, AI pattern review, and reports for psychiatrist visits.
What Daylio gets right
Daylio figured out something important: a mood tracker you actually use beats a sophisticated one you don't. The emoji-based entry system is fast, low-friction, and works on bad days. Its activity correlation charts are genuinely useful for spotting patterns between habits and mood states.
If you've been using Daylio, you've already built the habit that matters most. That's not nothing. A lot of people give up on tracking before it becomes useful.
My take
I don't think Daylio is bad. I think Daylio is extremely good at being Daylio. It helped a lot of people log something instead of nothing, which is a real achievement when your brain is doing its unpaid internship as a weather system.
The problem showed up later. I had entries, colors, activities, and a vague sense that something was changing. What I did not have was an answer to the question my psychiatrist actually needed answered: what moved first, sleep, energy, irritability, medication, or mood?
Where Daylio runs out of road
Daylio treats mood as one thing on one scale. For a lot of people, that's enough. For bipolar disorder, it misses most of what actually matters.
Bipolar isn't just mood going up or down. It's mood, energy, sleep, irritability, medication, and movement all changing at different speeds. A single mood score can be neat. Bipolar is not neat. Bipolar is the spreadsheet that learned to bite.
What's missing in Daylio for bipolar
- No energy axis. Mood and energy are independent in bipolar disorder. You can feel elevated and exhausted at the same time, which is not a vibe. It can be a mixed state.
- No sleep variability analysis. Sleep duration matters less than sleep consistency for bipolar. Daylio tracks duration. Steadyline tracks variability and correlates it with what follows.
- No AI pattern detection. Daylio shows correlations between activities and mood. Steadyline looks for sequences: the ordering of signals that tends to precede episodes in your own history.
- No stability score. Your mood can look fine today while you're trending toward instability. Daylio can't surface that. Steadyline's stability score tracks the trajectory, not just today's number.
- No clinician report. Daylio can export your data. Steadyline generates a formatted report for a psychiatry appointment, with surfaced patterns, medication observations, and episode timeline.
- No medication tracking. Adherence is one of the strongest predictors of episode risk in bipolar disorder. Daylio doesn't track it.
Feature comparison
| Feature | Daylio | Steadyline |
|---|---|---|
| Mood tracking | Single scale, emoji-based | Bipolar-specific with mixed state support |
| Energy tracking | As custom activity tag | Core dimension, separate axis |
| Sleep tracking | Duration only | Variability analysis with episode correlation |
| Irritability tracking | Not built-in | Dedicated dimension with pattern analysis |
| Psychomotor tracking | No | Core feature |
| Stability score | No | Yes, composite baseline metric |
| AI pattern detection | Activity correlations | Bipolar-specific episode prediction |
| Medication tracking | No | Yes, with adherence and impact analysis |
| Clinician report | CSV/backup export | Psychiatrist-ready formatted PDF |
| Conversational insights | No | Yes, ask your data questions in natural language |
| Price | ~$3-4/month | $9.99/month or $79.99/year (trial terms shown in app) |
What changes when you switch
Your data starts predicting, not just recording
The main thing Daylio can't do for bipolar is tell you what's coming. Steadyline reads your tracking history and surfaces patterns specific to your episodes: the sleep-mood sequence, the energy dip before a crash, the irritability spike that kept pretending it was "just everyone being annoying."
A report that changes your psychiatry appointments
Instead of reading off your Daylio chart to your doctor, you hand them a structured report with AI-highlighted trends, medication observations, and your stability score over time. The appointment shifts from reconstructing history to actually working on it.
Logging designed for bad days
Daylio's fast entry is one of its best features. Steadyline keeps that. The entry screen is designed to be completable in under 30 seconds when you're not well, and more thorough when you are. You don't have to choose between speed and useful data.
When to stick with Daylio
If you're using Daylio for general wellness tracking, habits, mood trends, journaling, and bipolar disorder isn't your primary concern, Daylio is genuinely great. It's fast, polished, and cheaper. No need to replace a tool that is doing its job.
When to switch to Steadyline
If you have bipolar disorder and you've been using Daylio but still feel like something is missing, especially after trying to explain the last few weeks to a psychiatrist, that gap is exactly why Steadyline exists.
If your search is specifically about iOS, start with the guide to bipolar tracker apps for iPhone. If you use Daylio mostly like a journal, the bipolar diary app guide explains what structure a diary needs for bipolar tracking.
Related
Try Steadyline
Track mood, energy, sleep, and stability with optional AI reflection and shareable summaries.