# Evap Cooler vs Dynamics Lucy

The clearest difference is update cadence: Evap Cooler at daily against Dynamics Lucy's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Evap Cooler ships an update daily, Dynamics Lucy every 2 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Evap Cooler | Dynamics Lucy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/evap-cooler/id6450683809/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Free | — |
| Size | 74 MB | 65 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lawson Mechanical Engineering LLC](https://appshunter.io/developer/517603315) | [Dynamics Plus Max](https://appshunter.io/developer/1789526223) |

## What reviewers say

### Evap Cooler

[App page](https://appshunter.io/ios/app/evap-cooler/id6450683809)

Assess the performance and water usage of your evaporative cooler. This app provides crucial data for homeowners considering installing a new unit, helping you make a well-informed decision.

**Highlights:** Performance assessment, Water usage tracking, Informed purchasing decisions, Economical cooling alternative information

**Features:** macOS Compatibility

**In-app purchases:** none


### Dynamics Lucy

[App page](https://appshunter.io/ios/app/dynamics-lucy/id6740326610)

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

**In-app purchases:** none


## Frequently asked questions

### Is Evap Cooler free?

Evap Cooler is free to download, with no in-app purchases.

### Is Dynamics Lucy free?

Dynamics Lucy is free to download, with no in-app purchases.

### Do Evap Cooler or Dynamics Lucy have ads?

Neither Evap Cooler nor Dynamics Lucy shows ads.

### Which is updated more often, Evap Cooler or Dynamics Lucy?

Evap Cooler ships an update daily, and Dynamics Lucy every 2 weeks. Most recently, Evap Cooler was updated on October 12, 2026 and Dynamics Lucy on October 3, 2026.

---

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