Comparison

Xeno vs MemDatStack

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

Head to head
About

Xeno

This app allows you to reveal a spectator's thoughts without them writing, drawing, or typing anything. Perform remotely over video or audio calls, or use it with any website via AI peek and anagram features. Integrates with various devices and services for a seamless experience.

Highlights
  • Reveal spectator's thoughts
  • Remote performance capability
  • AI Peek feature
  • Transgressive anagram feature
  • IMDb movie integration
  • PeekSmith and Bluetooth Remote support
  • Apple Watch app integration
Features
Read full description

Xeno lets you reveal what a spectator is merely thinking of. Tell a spectator their star sign, favourite film and more, without them ever writing, drawing, typing, nor tapping anything! You don't even need to be with the spectator - you can even perform Xeno fully remotely over a video or audio call. - Introducing: Xeno Anywhere - Xeno Anywhere lets you use Xeno with pretty much *any* website… even on a borrowed phone! - With its breakthrough AI Peek feature, you get just the information you need at a glance. - The included transgressive anagram feature inspired by The Jerx lets you quickly divine a thought-of word. - Xeno AI - Quickly generate a Xeno Site for pretty much anything! - IMDb Picks - Thanks to Felippe Nardi, this movies website is specifically designed to pull in the latest movies from IMDb and is now fully integrated for all Xeno users. - App and hardware integrations - Full native PeekSmith support. - Bluetooth Remote support - Xeno now supports almost all third party button remotes. - Send peek data to Bridge. - Notification and earpiece support. - Xeno Lists are now much easier to edit and manage directly in the app - Choose between multiple list styles to design your Xeno List just how you want it. - Direct Pairing - now skip pairing entirely! - Fully Featured - Xeno and Xeno Anywhere includes NFC, QuickLink, Apple Watch support, Bridge integration and more. "Xeno is one of the most underrated magic apps out there. They go to a website on their phone, look at anything on the website, and you can tell them what they’re looking at. It’s just so direct and clean. And there’s no limit to the theme of the website and therefore the premise of the effect." – The Jerx * Works with any borrowed, modern smartphone. * You never touch their phone. * Very easy to perform. * Perform over audio or video call. * No accomplice required. * No memory work needed. * Perfect as either a pre-show method or reputation making routine. * Included Apple Watch app for easy peeking and QuickLink reminder. * Multiple pairing methods. Xeno works with horoscopes/star signs, names, songs, movies and even includes a community driven list gallery, allowing you to make your own lists in your own language! Xeno Anywhere is an additional purchase within the Xeno app. Optional Xeno AI features require the use of credits or you can provide your own API key. This app is for entertainment purposes only.

About

MemDatStack

This tool assists magicians in memorizing card stacks with customizable quizzes. It supports various popular stacks and question types, offering detailed feedback on incorrect answers to improve learning.

Highlights
  • Supports multiple popular card stacks
  • Variety of quiz settings
  • Customizable quiz questions
  • Tracks recent quiz results
  • Reviews incorrect answers
  • Audio feedback option
Features
Read full description

A highly configurable tool to help magicians trying to memorize a stack of cards. Pick from multiple commonly used stacks, indicate which cards in the stack you believe you already know, choose from a variety of quiz settings, and take quizzes to help you learn your stack. You can see your recent quiz results, and review any questions you got incorrect. Supported stacks: Mnemonica, Aragon, Aronson, Particle System, Redford, Joyal Supported questions: Card to Location, Location to Card, Card Before, Card After Quiz options: multiple choice, number of multiple choices, questions per quiz, optional time limit to answer, delay after correct/incorrect answers, audio feedback, ask more often about cards/locations you've recently gotten incorrect

Screenshots

Xeno4 screens
MemDatStack4 screens

Verdict

The call

The clearest difference is price: MemDatStack at Free against Xeno's $59.99. MemDatStack also leads on in-app purchases (none vs 3) and update cadence (every 9 days vs every 3 months). Xeno's advantage is ratings volume (64 vs 1). On rating, ads, device support and iOS requirement 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

MemDatStack is free to download; Xeno costs $59.99 up front. Xeno sells 2 one-off in-app purchases. MemDatStack asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Xeno against 5.0 for MemDatStack. That said, the two scores are not equally well evidenced: Xeno has 64 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Xeno ships an update every 3 months, MemDatStack every 9 days. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.

Scorecard5 real differences · 5 level
Xeno versus MemDatStack: the parameters behind the verdict, then further details
ParameterXenoMemDatStack
Price$59.99Free — better
Rating4.9 (64 ratings)5.0 (1 ratings) — better
Positive reviews88.2% of reviews—
Number of ratings64 — better1
Update frequencyEvery 3 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS17.6 — better18.6
Further details — not scored
Size26 MB6 MB
Age rating4+4+
DeveloperMarc KersteinCirce Apps LLC

In-app purchases

2 purchases

Xeno

One-time2
  • 100 Xeno AI Credits2 variants$6.99
  • Xeno: Anywhere$49.99
None

MemDatStack

No in-app purchases

Questions

Is Xeno free?
Xeno costs $59.99, and also offers in-app purchases.
Is MemDatStack free?
MemDatStack is free to download, with no in-app purchases.
Which has better reviews, Xeno or MemDatStack?
MemDatStack is rated higher. Xeno averages 4.9 out of 5 from 64 ratings, while MemDatStack averages 5.0 from 1 ratings.
Do Xeno or MemDatStack have ads?
Neither Xeno nor MemDatStack shows ads.
Which is updated more often, Xeno or MemDatStack?
Xeno ships an update every 3 months, and MemDatStack every 9 days. Most recently, Xeno was updated on October 18, 2026 and MemDatStack on October 5, 2026.

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