Codex by Lloyd Barnes vs Slow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Day of week calculator
- Speak dates for weekday display
- Optional haptic feedback
- Customizable tones and volume
- Reference for common card stacks
- High-contrast interface
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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.
Slow
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Slo-Mo is a brand new magic app that lets you record an ultra visual slow motion vanish of any object! Super easy to do. No complicated steps or confusing instructions. Just point, record, and watch the magic happen. Works in all languages. Doesn't matter where you're from or what language you speak. Vanish any object! All you need is your phone and a tripod or some way to keep your phone steady. That's it. Download Slo-Mo today.
Screenshots
Verdict
The clearest difference is price: Slow at $19.99 against Codex by Lloyd Barnes's $49.99. Codex by Lloyd Barnes's advantage is update cadence (every 9 days vs every 4 months). On ads, in-app purchases, 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
Codex by Lloyd Barnes costs $49.99 and Slow $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Codex by Lloyd Barnes ships an update every 9 days, Slow every 4 months. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.
| Parameter | Codex by Lloyd Barnes | Slow |
|---|---|---|
| Price | $49.99 | $19.99 — better |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 2 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Lloyd Barnes | Joshua Riley |
In-app purchases
Codex by Lloyd Barnes
No in-app purchases
Slow
No in-app purchases
Questions
Is Codex by Lloyd Barnes free?
Is Slow free?
Do Codex by Lloyd Barnes or Slow have ads?
Which is updated more often, Codex by Lloyd Barnes or Slow?
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