# FlyCarpet Psychrometric Chart vs LearnDash Academy

The clearest difference is price: LearnDash Academy at Free against FlyCarpet Psychrometric Chart's $29.99. LearnDash Academy also leads on update cadence (every 4 days vs every 5 weeks) and iOS requirement (13.0 vs 15.5). FlyCarpet Psychrometric Chart's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

LearnDash Academy is free to download; FlyCarpet Psychrometric Chart costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FlyCarpet Psychrometric Chart ships an update every 5 weeks, LearnDash Academy every 4 days. The most recent releases landed on September 11, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | FlyCarpet Psychrometric Chart | LearnDash Academy |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 1 MB | 47 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FlyCarpet Inc](https://appshunter.io/developer/1056467792) | [Liquid Web, LLC](https://appshunter.io/developer/1573774872) |

## What reviewers say

### FlyCarpet Psychrometric Chart

[App page](https://appshunter.io/ios/app/flycarpet-psychrometric-chart/id1664636421)

**Features:** macOS Compatibility

**In-app purchases:** none


### LearnDash Academy

[App page](https://appshunter.io/ios/app/learndash-academy/id6748705028)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlyCarpet Psychrometric Chart free?

FlyCarpet Psychrometric Chart costs $29.99, with no in-app purchases.

### Is LearnDash Academy free?

LearnDash Academy is free to download, with no in-app purchases.

### Do FlyCarpet Psychrometric Chart or LearnDash Academy have ads?

LearnDash Academy shows ads; FlyCarpet Psychrometric Chart does not.

### Which is updated more often, FlyCarpet Psychrometric Chart or LearnDash Academy?

FlyCarpet Psychrometric Chart ships an update every 5 weeks, and LearnDash Academy every 4 days. Most recently, FlyCarpet Psychrometric Chart was updated on September 11, 2026 and LearnDash Academy on May 19, 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.*