# Taco Tools vs Psychrometer °F

The clearest difference is review sentiment: Psychrometer °F at 67% against Taco Tools's 20%. Taco Tools's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Psychrometer °F sells 1 one-off in-app purchase. Taco Tools asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Taco Tools | Psychrometer °F |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (133 ratings)](https://appshunter.io/ios/app/psychrometer-f/id650395794/reviews)** |
| Number of ratings | — | **133** |
| Positive reviews | 20.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | **Free** | Ad-supported |
| Size | 52 MB | 9 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Taco, Inc.](https://appshunter.io/developer/461800454) | [JUN KANAYAMA](https://appshunter.io/developer/605648452) |

## What reviewers say

### Taco Tools

[App page](https://appshunter.io/ios/app/taco-tools/id461800450)

Easily select centrifugal pumps for hydronic heating and cooling systems. View pump performance characteristics for specific flow and head conditions. Access Taco product literature and contact technical support directly.

**Highlights:** Centrifugal pump selection, Performance characteristic viewing, Hydronic heating/cooling system application, Access to product literature, Direct technical support contact

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

**In-app purchases:** none


### Psychrometer °F

[App page](https://appshunter.io/ios/app/psychrometer-f/id650395794)

This app calculates thermal comfort by evaluating heat, cold, dryness, and moisture. It provides detailed air property calculations and indicates if conditions are within a comfortable range, with easy dial input and color-coded temperature.

**Highlights:** Thermal comfort calculation, Air property analysis, Color-coded temperature, Dial input, Outdoor weather integration, Psychrometer type selection

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Taco Tools free?

Taco Tools is free to download, with no in-app purchases.

### Is Psychrometer °F free?

Psychrometer °F is free to download, with in-app purchases available.

### Do Taco Tools or Psychrometer °F have ads?

Psychrometer °F shows ads; Taco Tools does not.

### Which is updated more often, Taco Tools or Psychrometer °F?

Taco Tools ships an update every 5 months, and Psychrometer °F every 5 months. Most recently, Taco Tools was updated on November 6, 2026 and Psychrometer °F on November 6, 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.*