Comparison

Pairadox vs Codex by Lloyd Barnes

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

Head to head
About

Pairadox

Features
Read full description

PAIRADOX – IMPOSSIBLE CONNECTIONS, PROVEN IN NUMBERS Created by professional mentalist Paul Brook, Pairadox is a precision-engineered mentalism tool designed to demonstrate an undeniable connection between two people. Without collaboration or fishing, it transforms private choices into a shared numerical outcome that feels both impossible and deeply personal. VARIOUS INPUT METHODS Use your iPhone keyboard, a Bluetooth remote, or your voice to secretly input information directly into the app. NUMBERS BECOME MEANINGFUL The final result is a moment that transforms abstract numbers into the most human of connections, one that feels intimate, intentional, and unmistakably real.

About

Codex by Lloyd Barnes

This app offers a rapid day-of-week calculation and a reference tool for various card stacks. It's designed for practice and quick lookups with customizable feedback options for different environments.

Highlights
  • Day of week calculator
  • Speak dates for weekday display
  • Optional haptic feedback
  • Customizable tones and volume
  • Reference for common card stacks
  • High-contrast interface
Features
Read full description

Codex is a fast day-of-week calculator and card-stack reference tool designed for practice, rehearsal, and quick lookup. It provides accurate results with flexible output options so you can use it in different environments. Day of Week Calculator - Enter or speak a date and Codex displays the correct weekday. - Optional haptic feedback and optional sounds can be enabled for hands-free or silent operation. Customisation - Configure haptic strength, timing, and patterns. - Choose optional tones and volume. Card & Stack Tools - Quick reference and practice utilities for common stacks and arrangements (e.g., Mnemonica, Aronson, Si Stebbins, Eight Kings, and more). - High-contrast, readable interface for rapid lookup. Codex is built to be quick, reliable, and easy to use—whether you’re practicing at home or reviewing information on the go.

Screenshots

Pairadox4 screens
Codex by Lloyd Barnes4 screens

Verdict

The call

The clearest difference is price: Pairadox at $24.99 against Codex by Lloyd Barnes's $49.99. Codex by Lloyd Barnes's advantage is in-app purchases (none vs 5) and update cadence (every 9 days vs every 2 months). On 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

Pairadox costs $24.99 and Codex by Lloyd Barnes $49.99 up front. Pairadox sells 5 one-off in-app purchases. Codex by Lloyd Barnes asks for nothing beyond the download.

UpkeepUpdate frequency

Pairadox ships an update every 2 months, Codex by Lloyd Barnes every 9 days. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
Pairadox versus Codex by Lloyd Barnes: the parameters behind the verdict, then further details
ParameterPairadoxCodex by Lloyd Barnes
Price$24.99 — better$49.99
Rating—4.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Paid
DevicesiPhoneiPhone
Requires iOS18.517.6 — better
Further details — not scored
Size30 MB2 MB
Age rating4+4+
DeveloperPaul Michael BrookLloyd Barnes

In-app purchases

5 purchases

Pairadox

One-time5
  • Inject Input$14.99
  • URL Scheme Output$14.99
  • API Input$14.99
Show 2 more
  • Clipboard Output$14.99
  • Unlock All$29.99
None

Codex by Lloyd Barnes

No in-app purchases

Questions

Is Pairadox free?
Pairadox costs $24.99, and also offers in-app purchases.
Is Codex by Lloyd Barnes free?
Codex by Lloyd Barnes costs $49.99, with no in-app purchases.
Do Pairadox or Codex by Lloyd Barnes have ads?
Neither Pairadox nor Codex by Lloyd Barnes shows ads.
Which is updated more often, Pairadox or Codex by Lloyd Barnes?
Pairadox ships an update every 2 months, and Codex by Lloyd Barnes every 9 days. Most recently, Pairadox was updated on September 30, 2026 and Codex by Lloyd Barnes on October 3, 2026.

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