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MoodSync

MoodSync vs Moody: which bipolar mood tracker?

1 min read · Sources last checked: May 2026 · Editorial comparison, not affiliate.

TL;DR

Choose MoodSync if you want clinical-style scales with sleep and meds on the same chart, and your data stored on your device with optional private iCloud sync.

Choose Moody if Moody's design fits the way you prefer to log and you are comfortable with a newer app's smaller track record.

  • Built for bipolar

    MoodSync
    Moody

  • Mood scale

    MoodSync
    0–3 clinical-style anchors per axis
    Moody
    App-defined scale

  • Separate axes for depression / elevation

    MoodSync
    Moody
    See current app version

  • Sleep on the same chart as mood

    MoodSync
    Moody
    See current app version

  • Medication tracking

    MoodSync
    Daily 'meds taken' toggle on every entry
    Moody
    See current app version

  • Data storage

    MoodSync
    On device, with optional private iCloud sync
    Moody
    See current App Store privacy details

  • Free tier

    MoodSync
    Free, with an optional Pro tier
    Moody
    Free, no paid tier

Moody is a newer entry in the bipolar tracker space. There's not much public usage data yet, and the App Store rating field is empty as of the date checked above. That makes a head-to-head harder than for Daylio or eMoods. Still, it's worth being clear on how the two apps differ.

Where MoodSync stands

Clinical depression rating has used compact ordinal anchors (mostly 0–4) since 19601960; mania has had its own scale since 19781978. MoodSync uses a 0–3 self-rating in the same compact-ordinal tradition rather than inventing its own range. It plots sleep next to mood because sleep is one of the most consistent prodromes of mood episodes in bipolar disorder2008. Mood values stay on your device, with optional private iCloud sync.

How to evaluate Moody yourself

Because Moody is newer, the most honest recommendation is: try it and check the App Store privacy section before you log anything sensitive. Specifically:

  • Does it separate depression and elevation, or use a single mood axis?
  • Does it chart sleep alongside mood?
  • Where does the data live — on your device, or on a server?

If those three answers fit you, Moody could be a good choice. If you want all three to land the way MoodSync lands them, MoodSync is the safer pick today.

Related comparisons

Sources

  1. Young RC, Biggs JT, Ziegler VE, Meyer DA (1978). A rating scale for mania: reliability, validity and sensitivity, British Journal of Psychiatry. link
  2. Hamilton M (1960). A rating scale for depression, Journal of Neurology, Neurosurgery, and Psychiatry. link
  3. Harvey AG (2008). Sleep and circadian rhythms in bipolar disorder: seeking synchrony, harmony, and regulation, American Journal of Psychiatry. link