Comparison

ARC vs Decidory

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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/

About

Decidory

Features
Read full description

Some stories are meant to be read. Others are meant to be lived. Decidory is where storytelling becomes personal. Explore a growing library of interactive novels crafted by real authors, or create your own stories with AI — shaped entirely by your imagination and your choices. This is not a game. This is not just another reader. This is something in between: a place for people who love stories and want to feel them from the inside. STORIES THAT LISTEN TO YOU Every story in Decidory has moments where the narrative pauses and asks: what happens next? Your decisions ripple through the plot, shifting relationships, revealing secrets, and leading to endings that feel earned — because they are yours. Whether you are reading a hand-crafted mystery from a published author or an AI-generated fantasy born from a single sentence you typed, the experience is the same: intimate, immersive, and impossible to put down. CREATE A STORY FROM A SINGLE IDEA Type a premise. Set your preferences. Watch a full narrative unfold. Decidory's AI story engine turns your ideas into richly written, branching narratives complete with illustrations. You control the details: - Pace — fast-paced action, a measured rhythm, or a calm literary unfolding - Length — a quick tale for your commute, or an endless saga that grows with every session - Perspective — first person intimacy, second person immersion, or third person sweep - Writing style — grounded realism, a creative flourish, or something balanced between the two - Illustration style — comic book panels, realistic art, soft watercolors, anime, or cinematic scenes No two stories are alike. Every narrative is generated uniquely for you, with AI-created illustrations woven directly into the text. DISCOVER STORIES FROM REAL AUTHORS Beyond AI-generated tales, Decidory hosts a curated catalog of interactive novels written by real authors. Browse across more than 20 genres — from romance and fantasy to crime, horror, sci-fi, historical fiction, slice of life, coming-of-age, and more. Find voices you love. Follow creators. Rate and share the stories that move you. BUILT FOR READERS - Offline reading — download stories and read anywhere, no connection needed - Reader comfort — dark mode, light mode, adjustable text size, and custom color themes - Your library — every story you create or collect, organized and waiting for you - Multiple languages — read and create in English, German, Spanish, or French - Share and connect — send stories to friends via deep links, explore creator profiles, and leave ratings A READING EXPERIENCE, NOT A GAME Decidory is designed for people who care about language, atmosphere, and emotional depth. There are no timers, no scores, no ads interrupting a crucial scene. Just beautifully written prose, meaningful choices, and stories that stay with you after you close the app. Start with a free account and explore. Upgrade to unlock more stories, more AI features, and access to the full author catalog. Your next favorite story might be one that only you will ever read. Subscription Terms Decidory offers auto-renewable subscriptions for different tiers. Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your iPhone Settings > Apple ID > Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.decidory.ch/en/privacy

Screenshots

ARC4 screens
Decidory3 screens

Verdict

The call

The clearest difference is update cadence: Decidory at every 4 days against ARC's every 2 weeks. Decidory also leads on iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ARC sells 4 in-app purchases, starting at $9.99 per month and Decidory sells 9 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ARC ships an update every 2 weeks, Decidory every 4 days. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
ARC versus Decidory: the parameters behind the verdict, then further details
ParameterARCDecidory
PriceFreeFree
Rating4.0 (8 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.013.0 — better
Further details — not scored
Size26 MB45 MB
Age rating12+12+
DeveloperFishybear LLCActDigity GmbH

In-app purchases

4 purchases

ARC

Subscriptions4
  • ARC Reader7 Days trial$9.991 Month
  • ARC Reader Plus7 Days trial$24.991 Month
  • ARC Reader7 Days trial$99.991 Year
Show 1 more
  • ARC Reader Plus7 Days trial$199.991 Year
9 purchases

Decidory

Subscriptions3
  • Decidory Basic$5.991 Month
  • Decidory Premium$17.991 Month
  • Decidory Deluxe$49.991 Month
One-time6
  • 10 coins$1.99
  • 25 coins$4.99
  • 50 coins$9.99
Show 3 more
  • 100 coins$19.99
  • 250 coins$49.99
  • 500 coins$99.99

Questions

Is ARC free?
ARC is free to download, with in-app purchases available.
Is Decidory free?
Decidory is free to download, with in-app purchases available.
Do ARC or Decidory have ads?
Neither ARC nor Decidory shows ads.
Which is updated more often, ARC or Decidory?
ARC ships an update every 2 weeks, and Decidory every 4 days. Most recently, ARC was updated on October 25, 2026 and Decidory on October 18, 2026.

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