# Lucidly vs CyberFutureKeyboard

The clearest difference is in-app purchases: CyberFutureKeyboard at none against Lucidly's 2. Lucidly's advantage is update cadence (weekly vs every 7 months) and device support (4 vs 1). On price and ads there is nothing between them.

Both are free to download. Lucidly sells 2 in-app purchases, starting at $5.99 per month. CyberFutureKeyboard asks for nothing beyond the download.

Lucidly ships an update weekly, CyberFutureKeyboard every 7 months. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Lucidly | CyberFutureKeyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (18 ratings)](https://appshunter.io/ios/app/lucidly/id1566419183/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 43.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 3 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [5Path LLC](https://appshunter.io/developer/1544734236) | [jiwoong jang](https://appshunter.io/developer/1613905630) |

## What reviewers say

### Lucidly

[App page](https://appshunter.io/ios/app/lucidly/id1566419183)

This app uses AI and your smartwatch to detect REM sleep. It alerts you during this phase, allowing you to attempt lucid dreaming. It supports various induction techniques and offers two modes for sleep entry or REM detection.

**Highlights:** Real-time REM prediction, AI-driven sleep stage detection, Haptic and audible alerts, Two operating modes (Inference & Hypnagogic), Adjustable prediction thresholds and alerts, Session analytics and charts, Apple HealthKit integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $5.99 | per month |
| Annual Access | $39.99 | per year |


### CyberFutureKeyboard

[App page](https://appshunter.io/ios/app/cyberfuturekeyboard/id1637119988)

**In-app purchases:** none


## Frequently asked questions

### Is Lucidly free?

Lucidly is free to download, with in-app purchases available.

### Is CyberFutureKeyboard free?

CyberFutureKeyboard is free to download, with no in-app purchases.

### Do Lucidly or CyberFutureKeyboard have ads?

Neither Lucidly nor CyberFutureKeyboard shows ads.

### Which is updated more often, Lucidly or CyberFutureKeyboard?

Lucidly ships an update weekly, and CyberFutureKeyboard every 7 months. Most recently, Lucidly was updated on September 24, 2026 and CyberFutureKeyboard on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*