Grateful Jar vs LucidCue
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grateful Jar
Capture and revisit moments of gratitude with this simple journaling app. Record small and big things you appreciate to create a personal collection of positive memories. Use it for a quick mood boost when you need it.
- Record grateful moments
- Recall past positive memories
- Easy on-the-go journaling
- Personalized gratitude collection
- Mood boosting feature
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The Grateful Jar is the place where you keep a record of each one of your grateful moments in a few words. Make the most out of it by writing about small and big things you are grateful for. The app makes it easy to do it on the stop, when it happens. Whenever you are feeling a bit down or not motivated, recall the moments you were grateful in the past for a quick boost of positive moments from the past.
LucidCue
This app helps you achieve lucid dreams by acting as a reality tester. It uses gentle wrist twitches detected by your Apple Watch to confirm wakefulness with a vibration, signaling you're dreaming when it remains silent.
- Gentle wrist twitch reality test
- Personalized vibration feedback
- Detects absence of vibration in dreams
- Seamless Apple Watch integration
- Modern alternative to traditional methods
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LucidCue: Reality Test on Your Wrist Unlock lucid dreaming with LucidCue, an Apple Watch app designed as a precise tool to test reality and recognize when you’re dreaming. Inspired by classic reality-testing devices, LucidCue simplifies the process using a gentle wrist twitch — easy to perform, yet powerful in distinguishing wakefulness from dreams. Here’s the method: as you lie in bed, working to fall asleep, occasionally perform a light wrist twitch to test your reality. When awake, LucidCue detects the movement and instantly responds with a personalized vibration, confirming you’re in the waking world. As you slip into a dream, especially during REM sleep, the sensation of moving your wrist feels just as real — but LucidCue stays silent. This absence of vibration is your unmistakable signal: you’re dreaming. LucidCue transforms your Apple Watch into a seamless reality-testing tool, offering a modern, intuitive alternative to traditional methods. Use it to explore your dream world with clarity and control.
Screenshots
Verdict
The clearest difference is price: LucidCue at Free against Grateful Jar's $0.99. LucidCue also leads on iOS requirement (13.0 vs 17.5). On rating, review sentiment, ratings volume and ads 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
LucidCue is free to download; Grateful Jar costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Grateful Jar against 5.0 for LucidCue. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
| Parameter | Grateful Jar | LucidCue |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPod, Apple Watch — better |
| Requires iOS | 17.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Bitello Studio | Vitaliy Golubenko |
Customer experience
Grateful Jar
LucidCue
In-app purchases
Grateful Jar
No in-app purchases
LucidCue
No in-app purchases









