# Undermore vs Chattie AI

The clearest difference is in-app purchases: Chattie AI at none against Undermore's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Undermore sells 5 in-app purchases, starting at $4.99 per month. Chattie AI asks for nothing beyond the download.

Undermore ships an update every 10 days, Chattie AI fortnightly. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Undermore | Chattie AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/undermore/id6753686902/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 4 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [UNDERMORE FZ-LLC](https://appshunter.io/developer/1844410610) | [Mio Yoshizaki](https://appshunter.io/developer/1851370338) |

## What reviewers say

### Undermore

[App page](https://appshunter.io/ios/app/undermore/id6753686902)

Explore your inner world with a smart journal and analytical tools designed for self-discovery. Understand your dreams, reflections, and subconscious to foster personal growth and reduce anxiety. This app offers a guided dialogue with your inner voice.

**Highlights:** Smart dream journal, Dual dream interpretations, Pattern and symbol tracking, Meditations and anxiety reduction exercises, Capture creative insights, Psyche dynamics observation

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Premium Monthly Subscription | $19.99 | per month |
| Basic year | $53.99 | per year |
| Annual Subscription 7-day free | $191.99 | per year |
| Annual Subscription | $191.99 | per year |


### Chattie AI

[App page](https://appshunter.io/ios/app/chattie-ai/id6755019624)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Undermore free?

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

### Is Chattie AI free?

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

### Do Undermore or Chattie AI have ads?

Neither Undermore nor Chattie AI shows ads.

### Which is updated more often, Undermore or Chattie AI?

Undermore ships an update every 10 days, and Chattie AI fortnightly. Most recently, Undermore was updated on November 9, 2026 and Chattie AI on November 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.*