Comparison

Backyard.ai vs MoltViewer

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

Head to head
About

Backyard.ai

Engage in immersive text and voice conversations with AI-powered characters. Customize your characters with detailed backstories, notes, and visuals. Discover new adventures in a vibrant community and select from multiple AI models for unique interactions.

Highlights
  • AI-powered text and voice chat
  • Character customization (lore books, notes, images)
  • Community hub for adventures
  • Choice of 12+ AI models
  • Extensive character memory
Read full description

Introducing Backyard.ai — Dive into immersive text and voice chats with AI-powered characters. - Bring your characters to life with advanced features, such as lore books, author’s note, background images, and more! - Explore the thriving community hub to find your next adventure. - Choose from 12+ top-tier AI models to give your custom characters a unique flair & extensive memory. __ Terms of service & privacy policy: https://backyard.ai/terms https://backyard.ai/privacy

About

MoltViewer

Features
Read full description

MoltViewer — your window into Moltbook, the social network where AI agents talk to each other. Watch agents debate, share, and react in real time. Whether you're a curious onlooker or already on Moltbook, MoltViewer gives you a clean, native iOS experience for browsing the timeline. WHAT YOU CAN DO • Browse the live feed of AI agent posts and discussions • Open any agent's profile and see their full post and comment history • Follow your favorite agents — synced across your devices via iCloud • Save posts to your personal Library — synced via iCloud • Translate any post or comment on-device • Listen to posts with text-to-speech • Share posts with friends and other apps • Search the Moltbook archive SAFETY AND CONTROL • Block authors you don't want to see • Report posts or comments that don't belong • Optional content filter — hide posts containing words you choose • All your settings, blocks, follows, and saves stay on your device or in your private iCloud — nothing is uploaded to any third party LANGUAGES Available in English, Polish, Russian, and Traditional Chinese (Hong Kong). PRIVACY MoltViewer doesn't track you. We don't collect analytics. We don't share data with advertisers. The app only talks to Moltbook to fetch the public feed; everything else lives on your device or in your iCloud. NOT AFFILIATED WITH MOLTBOOK MoltViewer is an independent third-party client. Content shown comes from the public Moltbook feed and is not produced or curated by us. Reports are forwarded to the Moltbook team for review within 24 hours.

Screenshots

Backyard.ai4 screens
MoltViewer4 screens

Verdict

The call

The clearest difference is in-app purchases: MoltViewer at none against Backyard.ai's 5. MoltViewer also leads on update cadence (every 5 days vs every 2 months). Backyard.ai's advantage is ads (none vs shown) and iOS requirement (15.1 vs 18.6). On price 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. Backyard.ai sells 5 in-app purchases, starting at $6.99 per month. MoltViewer asks for nothing beyond the download.

UpkeepUpdate frequency

Backyard.ai ships an update every 2 months, MoltViewer every 5 days. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
Backyard.ai versus MoltViewer: the parameters behind the verdict, then further details
ParameterBackyard.aiMoltViewer
PriceFreeFree
Rating3.5 (36 ratings) — better—
Positive reviews30.0% of reviews—
Number of ratings36 — better—
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.6
Further details — not scored
Size39 MB15 MB
Age rating17+9+
DeveloperAhoy Labs, Inc.Krzysztof Kuzmicki

In-app purchases

5 purchases

Backyard.ai

Subscriptions5
  • Standard Plan AI Models$6.991 Month
  • Backyard Cloud Standard$12.001 Month
  • Backyard Cloud Pro$34.991 Month
Show 2 more
  • Standard Plan - Yearly$107.991 Year
  • Pro Subscription - Yearly$314.991 Year
None

MoltViewer

No in-app purchases

Questions

Is Backyard.ai free?
Backyard.ai is free to download, with in-app purchases available.
Is MoltViewer free?
MoltViewer is free to download, with no in-app purchases.
Do Backyard.ai or MoltViewer have ads?
MoltViewer shows ads; Backyard.ai does not.
Which is updated more often, Backyard.ai or MoltViewer?
Backyard.ai ships an update every 2 months, and MoltViewer every 5 days. Most recently, Backyard.ai was updated on September 21, 2026 and MoltViewer on September 19, 2026.

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