# Taco Tools vs Appion Central

The clearest difference is update cadence: Appion Central at every 5 weeks against Taco Tools's every 5 months. Appion Central also leads on review sentiment (29% vs 20%) and iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Taco Tools ships an update every 5 months, Appion Central every 5 weeks. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Taco Tools | Appion Central |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.8 (14 ratings)](https://appshunter.io/ios/app/appion-central/id1455230837/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | 20.0% of reviews | **28.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 52 MB | 35 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Taco, Inc.](https://appshunter.io/developer/461800454) | [Appion Inc.](https://appshunter.io/developer/978979622) |

## 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


### Appion Central

[App page](https://appshunter.io/ios/app/appion-central/id1455230837)

Manage your HVAC tools and connect to the web portal. This app provides a mobile interface for your Appion products.

**Highlights:** Manage Appion products, Interface with Appion Portal, Mobile tool management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Taco Tools free?

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

### Is Appion Central free?

Appion Central is free to download, with no in-app purchases.

### Do Taco Tools or Appion Central have ads?

Neither Taco Tools nor Appion Central shows ads.

### Which is updated more often, Taco Tools or Appion Central?

Taco Tools ships an update every 5 months, and Appion Central every 5 weeks. Most recently, Taco Tools was updated on October 23, 2026 and Appion Central on October 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.*