ARC vs Alter AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ARC
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.
- 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
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Stories you don't just read, you control. No gems. No ads. No walls. Try the first chapter of all the books on ARC. One flat price unlocks every chapter of every book. Make choices that change what happens next. Follow branching paths across romance, thriller, fantasy, mystery, and more — with endings that are genuinely yours. Got five minutes? ARC Shorts are complete interactive stories built for your next break. Want to go deeper? Full-length books with multiple endings are waiting. Features: • Interactive stories where your choices matter • 3–10 minute story shorts for quick, immersive reads • Full-length interactive books with multiple endings • Kiro AI companion to guide your decisions • Audio narration available for every chapter • New stories added regularly Pick a story, make your choices, and see where your path leads. Perfect for fans of interactive stories, story-driven games, and readers who want a more immersive experience. Download ARC and start your first story today. Every choice is yours. Every ending is earned. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Alter AI
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.
- Interactive stories across multiple genres
- Choice-based story progression
- Branching story paths
- Multiple endings
- Story previews and summaries
- Regularly updated story collection
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Alter AI is an interactive story platform featuring a wide variety of story genres. Explore fantasy, mystery, romance, adventure, everyday life, and many more. Choose the stories that interest you and shape each journey through your own decisions. Every choice can lead to a different story path, allowing you to discover new developments and multiple endings. Return to the same story to explore alternative routes and experience different outcomes. Browse story previews before you begin, discover new genres, and enjoy an expanding collection of interactive stories designed for different interests and play styles. Features • Interactive stories across multiple genres • Story previews and summaries • Choice-based story progression • Branching story paths • Multiple endings • Regularly updated story collection Choose your next story and create your own adventure.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ARC | Alter AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 8 — better | 2 |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 42 MB |
| Age rating | 12+ | 17+ |
| Developer | Fishybear LLC | CHUNGUN KIM |
Customer experience
ARC
Alter AI
In-app purchases
ARC
- ARC Reader7 Days trial$9.991 Month
- ARC Reader Plus7 Days trial$24.991 Month
- ARC Reader7 Days trial$99.991 Year
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- ARC Reader Plus7 Days trial$199.991 Year
Alter AI
No in-app purchases
