# Monolith Movement vs Built By Karl

The clearest difference is in-app purchases: Monolith Movement at none against Built By Karl's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Built By Karl sells 1 in-app purchase, starting at $299.99 per month. Monolith Movement asks for nothing beyond the download.

Monolith Movement ships an update every 2 months, Built By Karl every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Monolith Movement | Built By Karl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/monolith-movement/id6448869505/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | — |
| Size | 53 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Hunter Sprague](https://appshunter.io/developer/1686732337) | [Karl Jardine](https://appshunter.io/developer/1874177894) |

## What reviewers say

### Monolith Movement

[App page](https://appshunter.io/ios/app/monolith-movement/id6448869505)

This app provides fitness and diet coaching, including messaging with coaches, viewing personalized plans, and tracking daily habits and workouts. It requires a paid coaching plan for access.

**Highlights:** Messaging with coaches, View personalized plans, Check-ins, Daily habits tracking, Log workouts

**Features:** macOS Compatibility

**In-app purchases:** none


### Built By Karl

[App page](https://appshunter.io/ios/app/built-by-karl/id6758647480)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly 1-1 | $299.99 | per month |


## Frequently asked questions

### Is Monolith Movement free?

Monolith Movement is free to download, with no in-app purchases.

### Is Built By Karl free?

Built By Karl is free to download, with in-app purchases available.

### Do Monolith Movement or Built By Karl have ads?

Neither Monolith Movement nor Built By Karl shows ads.

### Which is updated more often, Monolith Movement or Built By Karl?

Monolith Movement ships an update every 2 months, and Built By Karl every 3 months. Most recently, Monolith Movement was updated on October 24, 2026 and Built By Karl on October 24, 2026.

---

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