JITTER vs TrayTime
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JITTER
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このアプリは、ジター錯視と呼ばれる錯覚を利用してアルファ波を測定することができる実験参加者用アプリです。現時点では実験に参加された方のみアプリを利用することができます。参加者の方は研究にご協力いただき、実験データを提供いただけましたら幸いです。 ※ 注意)アプリを利用するためには、事前に付与された「ユーザーID」と「パスワード」が必要です。 このアプリでは下記のヘルスケア情報を取得します。 ・歩数 ・睡眠 ・心拍数 ・心拍変動 ・安静時心拍数 ・歩行時平均心拍数 また、Fitbit とも連携しこれらの情報を取得します。
TrayTime
Track your clear aligner wear time with a simple tap system. Monitor daily progress, receive reminders for tray changes, and capture progress photos privately. Works with any aligner brand without requiring an account.
- Daily wear time tracking
- Tray change reminders
- Out-of-case reminders
- Progress photo diary
- Works with any aligner brand
- No account required
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TrayTime keeps your clear aligner schedule on track. Tap once when your trays go in, tap again when they come out — TrayTime counts every minute toward your daily wear goal. YOUR DAILY WEAR RING See today's wear time at a glance on the 22-hour ring (set your own goal from 20–23 h). When trays are out, a counter shows exactly how long they've been out — meals and brushing stay guilt-free, forgetting doesn't. TRAY CHANGES, ON SCHEDULE Enter your total trays and change interval once. TrayTime shows your current tray, days until the next change, and your estimated finish date — with a reminder on change day. OUT-TOO-LONG REMINDERS Left your trays in the case after lunch? TrayTime nudges you when they've been out too long. You choose the threshold, or turn it off. STREAKS & STATS Hit your daily goal and build a streak. Weekly charts show your wear pattern so you know exactly how your wear routine is going. PROGRESS PHOTOS Keep a private photo diary of your smile, organized by tray, with side-by-side comparison. Photos never leave your phone. WORKS WITH ANY BRAND Any clear aligner brand, any provider. No account, no sign-up, no cloud — everything stays on your device. TRAYTIME PRO (one-time purchase) Remove ads, unlock unlimited progress photos and extended statistics. Pay once, keep it forever. TrayTime is a wear-time tracking tool. It does not provide medical or orthodontic advice — always follow your provider's instructions.
Screenshots
Verdict
The clearest difference is in-app purchases: JITTER at none against TrayTime's 1. JITTER also leads on iOS requirement (11.0 vs 15.0). TrayTime's advantage is device support. On price 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. TrayTime sells 1 one-off in-app purchase. JITTER asks for nothing beyond the download.
| Parameter | JITTER | TrayTime |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 3 weeks |
| Ads | — | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 117 MB | 99 MB |
| Age rating | 4+ | 4+ |
| Developer | Game for IT, Inc. | SEONYONG LEE |
In-app purchases
JITTER
No in-app purchases
TrayTime
- TrayTime Pro$14.99
Questions
Is JITTER free?
Is TrayTime free?
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