Comparison

Moodlith vs SmileLine

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Moodlith

Features
Read full description

Moodlith is a privacy-first mood tracker and emotional journal that helps you understand your feelings without handing your data to anyone. Log your mood in under 10 seconds with emojis, an intensity slider, and optional notes or tags. Over time, Moodlith turns those quick check-ins into a visual emotional journey — daily, weekly, and monthly views, interactive charts, and color-coded heatmaps that make your patterns easy to see at a glance. PRIVATE BY DESIGN Your mood data is deeply personal, so Moodlith keeps it that way. Everything is stored on your device. There is no account, no cloud, no ads, and no third-party trackers. Insights are generated on your device, and your data only leaves your phone if you choose to export it. FEATURES • Quick mood logging with emojis, sliders, tags, and photos • Interactive charts, trends, and heatmaps of your emotional journey • On-device AI insights that surface patterns — no cloud processing required • Optional Apple Health integration to correlate mood with sleep, activity, and heart rate • Daily reminders and weekly summaries • CSV/PDF export so your data is always yours to take with you TRY EVERYTHING, FREE Every feature — quick logging, visual journey, on-device AI insights, Apple Health correlations, data export, and custom themes — is unlocked for a full 45-day free trial. No feature walls, no paywalled tiers. KEEP IT FOREVER If Moodlith becomes part of your routine, a single one-time purchase removes the 45-day limit for good. No subscription, no recurring charges — pay once and the app is yours. Whether you're building a daily journaling habit, tracking your mental health alongside therapy, or just curious what's actually driving your mood swings, Moodlith gives you the tools to find out — privately. Track your mood. Understand your patterns. Keep your data yours. NOTE: Moodlith is a personal wellness tool, not a medical device, and is not intended to diagnose, treat, or replace professional mental health care.

About

SmileLine

Effortlessly track your mood with intuitive gestures. Simply slide on your iPhone or rotate the Digital Crown on your Apple Watch to log your feelings. Gain instant insights into your emotional patterns with a clean, minimal interface.

Highlights
  • Gesture-based mood logging
  • Minimalist one-screen interface
  • iPhone and Apple Watch compatibility
  • Instant emotional pattern insights
  • Haptic feedback on Apple Watch
Features
Read full description

A dial, a slide, your mood. The simplest mood tracker. No tapping. No typing. Just a smooth turn of the Digital Crown or a gentle slide on your screen. On iPhone: Slide up or down. That's it. Your mood, captured in one effortless gesture. On Apple Watch: Rotate the Digital Crown. Feel the haptic feedback as you move through your emotions. It's intuitive, discreet, and takes just seconds. Why SmileLine? Truly minimal: One screen. One motion. No clutter. Works everywhere: Use it on your iPhone or Apple Watch—seamlessly. Instant insights: Watch your emotional patterns emerge over time, without the effort. Your feelings matter. Tracking them shouldn't feel like work. Download SmileLine – free. Just move the dial.

Screenshots

Moodlith4 screens
SmileLine4 screens

Verdict

The call

The clearest difference is update cadence: Moodlith at every 5 days against SmileLine's every 10 days. SmileLine's advantage is device support (4 vs 1) and iOS requirement (14.0 vs 26.4). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Moodlith sells 1 one-off in-app purchase and SmileLine sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Moodlith ships an update every 5 days, SmileLine every 10 days. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 6 level
Moodlith versus SmileLine: the parameters behind the verdict, then further details
ParameterMoodlithSmileLine
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 days — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS26.414.0 — better
Further details — not scored
Size8 MB34 MB
Age rating4+4+
DeveloperRobert Van Deutekom伟 沈

In-app purchases

1 purchases

Moodlith

One-time1
  • Moodlith Premium$9.99
1 purchases

SmileLine

One-time1
  • SmileLine LifeTime Access$4.99

Questions

Is Moodlith free?
Moodlith is free to download, with in-app purchases available.
Is SmileLine free?
SmileLine is free to download, with in-app purchases available.
Do Moodlith or SmileLine have ads?
Neither Moodlith nor SmileLine shows ads.
Which is updated more often, Moodlith or SmileLine?
Moodlith ships an update every 5 days, and SmileLine every 10 days. Most recently, Moodlith was updated on October 7, 2026 and SmileLine on October 28, 2026.

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