# InSight (mentalism) vs Codex by Lloyd Barnes

The clearest difference is price: Codex by Lloyd Barnes at $49.99 against InSight (mentalism)'s $69.99. Codex by Lloyd Barnes also leads on in-app purchases (none vs 7) and update cadence (every 9 days vs monthly). On ads, device support and iOS requirement there is nothing between them.

InSight (mentalism) costs $69.99 and Codex by Lloyd Barnes $49.99 up front. InSight (mentalism) sells 7 one-off in-app purchases. Codex by Lloyd Barnes asks for nothing beyond the download.

InSight (mentalism) ships an update monthly, Codex by Lloyd Barnes every 9 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | InSight (mentalism) | Codex by Lloyd Barnes |
| --- | --- | --- |
| Price | $69.99 | **$49.99** |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | — | Paid |
| Size | 36 MB | 2 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Paul Michael Brook](https://appshunter.io/developer/1789794964) | [Lloyd Barnes](https://appshunter.io/developer/1876359952) |

## What reviewers say

### InSight (mentalism)

[App page](https://appshunter.io/ios/app/insight-mentalism/id6758575290)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| API Input | $29.99 | one-time |
| Output to Image | $29.99 | one-time |
| Clipboard Output | $29.99 | one-time |
| Camera Input | $49.99 | one-time |
| Watch Peek | $49.99 | one-time |
| FontFactory | $49.99 | one-time |
| Unlock All | $99.99 | one-time |


### 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


## Frequently asked questions

### Is InSight (mentalism) free?

InSight (mentalism) costs $69.99, 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 InSight (mentalism) or Codex by Lloyd Barnes have ads?

Neither InSight (mentalism) nor Codex by Lloyd Barnes shows ads.

### Which is updated more often, InSight (mentalism) or Codex by Lloyd Barnes?

InSight (mentalism) ships an update monthly, and Codex by Lloyd Barnes every 9 days. Most recently, InSight (mentalism) was updated on October 16, 2026 and Codex by Lloyd Barnes on October 24, 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.*