# Reckon vs Causal Loop Diagram

The clearest difference is price: Causal Loop Diagram at Free against Reckon's $3.99. Causal Loop Diagram also leads on iOS requirement (16.0 vs 26.0). Reckon's advantage is update cadence (every 5 days vs every 3 weeks). On ads, in-app purchases and device support there is nothing between them.

Causal Loop Diagram is free to download; Reckon costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Reckon ships an update every 5 days, Causal Loop Diagram every 3 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Reckon | Causal Loop Diagram |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 2 MB | 4 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roland Leth](https://appshunter.io/developer/1895000938) | [seiji honda](https://appshunter.io/developer/1896430544) |

## What reviewers say

### Reckon

[App page](https://appshunter.io/ios/app/reckon-decision-journal/id6762766246)

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

**In-app purchases:** none


### Causal Loop Diagram

[App page](https://appshunter.io/ios/app/causal-loop-diagram/id6769942289)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reckon free?

Reckon costs $3.99, with no in-app purchases.

### Is Causal Loop Diagram free?

Causal Loop Diagram is free to download, with no in-app purchases.

### Do Reckon or Causal Loop Diagram have ads?

Neither Reckon nor Causal Loop Diagram shows ads.

### Which is updated more often, Reckon or Causal Loop Diagram?

Reckon ships an update every 5 days, and Causal Loop Diagram every 3 weeks. Most recently, Reckon was updated on October 12, 2026 and Causal Loop Diagram on October 10, 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.*