# Pebble AI vs ShadowWrite

The clearest difference is in-app purchases: Pebble AI at none against ShadowWrite's 1. Pebble AI also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ShadowWrite sells 1 in-app purchase, starting at $19.99 per year. Pebble AI asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pebble AI | ShadowWrite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/pebble-ai/id6738746707/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 43 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Try Pebble AI Inc.](https://appshunter.io/developer/1818206480) | [杰 向](https://appshunter.io/developer/1860305678) |

## What reviewers say

### Pebble AI

[App page](https://appshunter.io/ios/app/pebble-ai/id6738746707)

This app offers guided questions and exercises to help you understand yourself and improve your connections with others. It provides personalized insights and conversation starters grounded in relationship science, requiring just five minutes daily to build stronger bonds.

**Highlights:** Guided questions and prompts, Personalized insights, Relationship exercises, Conversation starters, Grounded in relationship science, Daily 5-minute practice, Proactive coaching

**Features:** macOS Compatibility

**In-app purchases:** none


### ShadowWrite

[App page](https://appshunter.io/ios/app/shadowwrite/id6762345093)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Yearly | $19.99 | per year |


## Frequently asked questions

### Is Pebble AI free?

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

### Is ShadowWrite free?

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

### Do Pebble AI or ShadowWrite have ads?

Neither Pebble AI nor ShadowWrite shows ads.

### Which is updated more often, Pebble AI or ShadowWrite?

Pebble AI ships an update every 3 weeks, and ShadowWrite every 3 weeks. Most recently, Pebble AI was updated on October 15, 2026 and ShadowWrite on October 7, 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.*