# Crystal Oracle vs Optical illusion hypnosis

The clearest difference is in-app purchases: Crystal Oracle at none against Optical illusion hypnosis's 4. Crystal Oracle also leads on ads (none vs shown) and review sentiment (70% vs 55%). Optical illusion hypnosis's advantage is ratings volume (958 vs 74). On price, rating and device support there is nothing between them.

Both are free to download. Optical illusion hypnosis sells 4 in-app purchases, starting at $3.49 per month. Crystal Oracle asks for nothing beyond the download.

Crystal Oracle holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: Optical illusion hypnosis has 958 ratings behind it against 74, so its average is the more settled of the two. Written reviews point the same way: 70% of Crystal Oracle's written reviews are positive against 55% of Optical illusion hypnosis's.

Crystal Oracle ships an update every 2 months, Optical illusion hypnosis every 5 months. Both last shipped on October 22, 2026.

## The numbers

| Metric | Crystal Oracle | Optical illusion hypnosis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (74 ratings)](https://appshunter.io/ios/app/crystal-oracle/id352320046/reviews)** | [4.2 (958 ratings)](https://appshunter.io/ios/app/optical-illusion-hypnosis/id1198253298/reviews) |
| Number of ratings | 74 | **958** |
| Positive reviews | **69.6% of reviews** | 54.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | **Free** | Ad-supported |
| Size | 12 MB | 97 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TELEMAQUE](https://appshunter.io/developer/325367779) | [Astrologic Games LTDA](https://appshunter.io/developer/1164665798) |

## What reviewers say

### Crystal Oracle

[App page](https://appshunter.io/ios/app/crystal-oracle/id352320046)

This app transforms your iPhone into a virtual crystal ball to help you answer life's crucial questions. Explore your future with four unique divination methods inspired by ancient crystallomancy. Get clear, detailed answers to ease uncertainty and guide your decisions.

**Highlights:** Virtual crystal ball, Four consultation methods, Divination and future insights, Clear and detailed answers, Intuitive use, Smart design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Optical illusion hypnosis

[App page](https://appshunter.io/ios/app/optical-illusion-hypnosis/id1198253298)

Experience a unique blend of visual wonder and mental relaxation with mesmerizing optical illusions. This app offers a calming space to unwind, escape stress, and find creative inspiration through captivating visuals and meditative experiences.

**Highlights:** Mesmerizing visual illusions, Relaxation Mode with ambient music, Create and share custom illusions, Learn the science behind perception, Customizable experience with soundtracks and timers

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Access | $3.49 | per month |
| Remove Ads | $1.99 | one-time |
| Extreme FX Pack | $1.99 | one-time |
| Color FX Pack | $1.99 | one-time |

**What reviewers like**

- 🤩 Hypnotizing effects
- 🧠 Interesting illusions
- 👍 App works as intended
- 🤯 Mind-bending experiences

**What reviewers complain about**

- 🤯 Can cause headaches/dizziness
- 💰 Too many ads
- 🔴 Stuck on red screen
- 🤔 Unclear instructions

**Reported bugs**

- App crashes or gets stuck on red screen
- Ads don't load properly, preventing access to other levels
- Inconsistent performance across devices

**Requested features**

- Add more variety of illusions
- Reduce ads or offer ad-free version
- Improve performance on older devices
- Add color/visual customization options


## Frequently asked questions

### Is Crystal Oracle free?

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

### Is Optical illusion hypnosis free?

Optical illusion hypnosis is free to download, with in-app purchases available.

### Which has better reviews, Crystal Oracle or Optical illusion hypnosis?

Crystal Oracle is rated higher. Crystal Oracle averages 4.4 out of 5 from 74 ratings, while Optical illusion hypnosis averages 4.2 from 958 ratings.

### Do Crystal Oracle or Optical illusion hypnosis have ads?

Optical illusion hypnosis shows ads; Crystal Oracle does not.

### Which is updated more often, Crystal Oracle or Optical illusion hypnosis?

Crystal Oracle ships an update every 2 months, and Optical illusion hypnosis every 5 months. Most recently, Crystal Oracle was updated on October 22, 2026 and Optical illusion hypnosis on October 22, 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.*