# ARC vs Alter AI

The clearest difference is rating: Alter AI at 5.0 against ARC's 4.0. Alter AI also leads on in-app purchases (none vs 4) and update cadence (every 3 days vs every 2 weeks). ARC's advantage is ads (none vs shown) and ratings volume (8 vs 2). On price, monetization model and device support there is nothing between them.

Both are free to download. ARC sells 4 in-app purchases, starting at $9.99 per month. Alter AI asks for nothing beyond the download.

Alter AI holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

ARC ships an update every 2 weeks, Alter AI every 3 days. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ARC | Alter AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (8 ratings)](https://appshunter.io/ios/app/arc-interactive-stories/id6759538973/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/alter-ai/id6771206441/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 42 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Fishybear LLC](https://appshunter.io/developer/386484263) | [CHUNGUN KIM](https://appshunter.io/developer/1896774324) |

## What reviewers say

### ARC

[App page](https://appshunter.io/ios/app/arc-interactive-stories/id6759538973)

Engage with stories by making choices that shape the narrative and lead to unique endings. Explore various genres, from romance to fantasy, with both short reads and full-length books. An AI companion can help guide your decisions.

**Highlights:** Interactive stories with branching paths, Short stories for quick reads, Full-length books with multiple endings, AI companion for decision guidance, Audio narration for chapters, Regularly added new stories

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ARC Reader | $9.99 | per month |
| ARC Reader Plus | $24.99 | per month |
| ARC Reader | $99.99 | per year |
| ARC Reader Plus | $199.99 | per year |


### Alter AI

[App page](https://appshunter.io/ios/app/alter-ai/id6771206441)

Explore a vast library of interactive stories across multiple genres. Your choices shape the narrative, leading to different paths and multiple endings. Discover new adventures and revisit stories to explore alternative outcomes.

**Highlights:** Interactive stories across multiple genres, Choice-based story progression, Branching story paths, Multiple endings, Story previews and summaries, Regularly updated story collection

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

**In-app purchases:** none


## Frequently asked questions

### Is ARC free?

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

### Is Alter AI free?

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

### Which has better reviews, ARC or Alter AI?

Alter AI is rated higher. ARC averages 4.0 out of 5 from 8 ratings, while Alter AI averages 5.0 from 2 ratings.

### Do ARC or Alter AI have ads?

Alter AI shows ads; ARC does not.

### Which is updated more often, ARC or Alter AI?

ARC ships an update every 2 weeks, and Alter AI every 3 days. Most recently, ARC was updated on October 8, 2026 and Alter AI on October 18, 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.*