# Etera AI vs ShadowWrite

The clearest difference is ads: ShadowWrite at none against Etera AI's shown. Etera AI's advantage is update cadence (daily vs every 3 weeks) and iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Etera AI sells 3 in-app purchases, starting at $7.99 per 7 days and ShadowWrite sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Etera AI ships an update daily, ShadowWrite every 3 weeks. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Etera AI | ShadowWrite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 40 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nutrition Checker](https://appshunter.io/developer/1838124427) | [杰 向](https://appshunter.io/developer/1860305678) |

## What reviewers say

### Etera AI

[App page](https://appshunter.io/ios/app/etera-ai-soulmate-support/id6753947754)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $7.99 | per 7 days |
| Yearly subscription PROMO | $19.99 | per year |
| Yearly subscription | $39.99 | per year |


### 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 Etera AI free?

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

### Is ShadowWrite free?

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

### Do Etera AI or ShadowWrite have ads?

Etera AI shows ads; ShadowWrite does not.

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

Etera AI ships an update daily, and ShadowWrite every 3 weeks. Most recently, Etera AI was updated on September 10, 2026 and ShadowWrite on September 20, 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.*