# Codex by Lloyd Barnes vs Slow

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.

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.

## The numbers

| Metric | Codex by Lloyd Barnes | Slow |
| --- | --- | --- |
| Price | $49.99 | **$19.99** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/codex-by-lloyd-barnes/id6759010874/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Paid | — |
| Size | 2 MB | 4 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lloyd Barnes](https://appshunter.io/developer/1876359952) | [Joshua Riley](https://appshunter.io/developer/1492928915) |

## What reviewers say

### Codex by Lloyd Barnes

[App page](https://appshunter.io/ios/app/codex-by-lloyd-barnes/id6759010874)

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:** macOS Compatibility

**In-app purchases:** none


### Slow

[App page](https://appshunter.io/ios/app/slow-mo/id6761392533)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Codex by Lloyd Barnes free?

Codex by Lloyd Barnes costs $49.99, with no in-app purchases.

### Is Slow free?

Slow costs $19.99, with no in-app purchases.

### Do Codex by Lloyd Barnes or Slow have ads?

Neither Codex by Lloyd Barnes nor Slow shows ads.

### Which is updated more often, Codex by Lloyd Barnes or Slow?

Codex by Lloyd Barnes ships an update every 9 days, and Slow every 4 months. Most recently, Codex by Lloyd Barnes was updated on September 19, 2026 and Slow on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*