Comparison

ZapYap vs Fabius

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

Head to head
About

ZapYap

Features
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AI Features - AI Chat with all the latest models - Private AI Chat using local models (require download) - Secure chat sessions stored locally on device - Generous free usage tier - Create todolist and notes straight from the AI prompt ------------------------------------------------------------------------------------------ Features - Zero Knowledge Architecture - Generous free account tier - Simple and convenient to use - Military grade encryption directly on your devices * best practices to further enhance your own safely online https://zapyap.com/en/security/ ------------------------------------------------------------------------------------------ Use any of the following methods to secure your account: Fingerprint Login Easy and quick access to mobile app using fingerprint (mobile app only) IP Address Verification Any new IP addresses will be required to verify through mobile or email Device ID Verification Mobile or email notification will be sent to approve new devices Mobile App 2FA Login Receive notification on mobile to approve any new logins TOTP 2FA Verification Use any 2FA TOTP apps like Google Authenticator or Authy Backup Email Set a backup email for login, in case main email account has been lost

About

Fabius

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Fabius lets you create your own AI agents and put them to work. DESIGN YOUR AGENTS Give each agent its own personality, instructions, model, and tools. A research assistant, a writing partner, a support bot โ€” you decide what each one knows and what it is allowed to do. BRING YOUR KNOWLEDGE Upload documents and images, and your agents use them to give grounded, specific answers. CONNECT YOUR CHANNELS Link a Telegram bot and your agent answers there too. PRIVATE BY DESIGN No ads, no analytics, no tracking. Your conversations belong to you, and you can delete your account โ€” and everything with it โ€” anytime, right from Settings.

Screenshots

ZapYap4 screens
Fabius4 screens

Verdict

The call

The clearest difference is in-app purchases: ZapYap at none against Fabius's 3. Fabius's advantage is update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Fabius sells 3 one-off in-app purchases. ZapYap asks for nothing beyond the download.

UpkeepUpdate frequency

ZapYap ships an update every 2 weeks, Fabius weekly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

Scorecard2 real differences ยท 4 level
ZapYap versus Fabius: the parameters behind the verdict, then further details
ParameterZapYapFabius
PriceFreeFree
Update frequencyEvery 2 weeksWeekly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 โ€” better16.4
Further details โ€” not scored
Size41 MB68 MB
Age rating4+12+
DeveloperNeutron LockSubhi Mukbel

In-app purchases

None

ZapYap

No in-app purchases

3 purchases

Fabius

One-time3
  • 1,400 Credits$4.99
  • 6,200 Credits$19.99
  • 17,000 Credits$49.99

Questions

Is ZapYap free?
ZapYap is free to download, with no in-app purchases.
Is Fabius free?
Fabius is free to download, with in-app purchases available.
Do ZapYap or Fabius have ads?
Neither ZapYap nor Fabius shows ads.
Which is updated more often, ZapYap or Fabius?
ZapYap ships an update every 2 weeks, and Fabius weekly. Most recently, ZapYap was updated on October 10, 2026 and Fabius on October 8, 2026.

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