SmileLine vs MoodTrace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmileLine
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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.
MoodTrace
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MoodTrace helps you log your mood in seconds, add notes and tags, and spot patterns over time — without creating an account or sending your data to the cloud. Whether you want a simple daily check-in or a private way to reflect, MoodTrace keeps the process lightweight and consistent. Your entries stay on your device, so you can build a self-check-in habit without sharing personal data. Features: • Quick daily mood check-ins • Add notes and tags for context • Timeline view for recent entries • Simple insights for trends, averages, and tag patterns • Optional daily reminders • Local-first design with on-device storage MoodTrace Pro unlocks: • Unlimited mood history • Full-history insights • CSV export No account. No sync setup. No unnecessary complexity. Your mood data stays on your device unless you choose to export it.
Screenshots
Verdict
The clearest difference is iOS requirement: SmileLine at 14.0 against MoodTrace's 17.0. On price, update cadence, 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
Both are free to download. SmileLine sells 1 one-off in-app purchase and MoodTrace sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SmileLine ships an update every 10 days, MoodTrace every 5 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.
| Parameter | SmileLine | MoodTrace |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 days | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, Apple Watch |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 34 MB | 7 MB |
| Age rating | 4+ | +4 |
| Developer | 伟 沈 | Ahmet Kapusuz |
In-app purchases
SmileLine
- SmileLine LifeTime Access$4.99
MoodTrace
- MoodTrace Pro$2.99









