Appion Central vs Unity Build Field App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Appion Central
Manage your HVAC tools and connect to the web portal. This app provides a mobile interface for your Appion products.
- Manage Appion products
- Interface with Appion Portal
- Mobile tool management
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Appion Central is designed to allow users to manage their Appion products as well as provide an interface with the Appion Portal web service.
Unity Build Field App
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Unity Build Field app is a sister application to the Unity Build Estimation system. It enables organizations to collaborate between office and field staff serving reference to the view and annotate the same documents and work from the same source of truth.
Screenshots
Verdict
The clearest difference is iOS requirement: Appion Central at 13.0 against Unity Build Field App's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Appion Central ships an update every 5 weeks, Unity Build Field App monthly. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.
| Parameter | Appion Central | Unity Build Field App |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (14 ratings) — better | — |
| Positive reviews | 28.6% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 35 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Appion Inc. | Lumpy Studio LLC |
In-app purchases
Appion Central
No in-app purchases
Unity Build Field App
No in-app purchases
Questions
Is Appion Central free?
Is Unity Build Field App free?
Do Appion Central or Unity Build Field App have ads?
Which is updated more often, Appion Central or Unity Build Field App?
Other comparisons
