Building Start vs ZERO Platform
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Building Start
This platform digitizes field testing for construction and engineering projects. It allows for centralized test plan creation and offline execution on field devices, synchronizing data back to the cloud upon completion.
- Centralized test plan authoring
- Push test plans to field devices
- Offline field testing capabilities
- Data synchronization to cloud
- Digital capture of construction projects
- Support for TAB, Building Startup, Commissioning, Energy Audits
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Building Start is a field services platform used in construction and engineering to perform centralized test plan authoring and management and push the test plan from the cloud to field devices to perform on-site field testing digitally. Once a field technician has been assigned a project, they can receive the project on their field device and perform the test plan and responses offline and synchronize them back into the cloud when they complete their work for the day. Building Start is widely used in the construction industry with over 30,000 construction projects digitally captured in such efforts as Test, Adjust & Balance (TAB), Building Startup, Building Commissioning (LEED, Green Building,etc) and Energy Audits.
ZERO Platform
This app enables employees to report and resolve safety hazards and incidents in real-time. It facilitates inspections, audits, and team collaboration across various devices to enhance safety, quality, and productivity.
- Real-time hazard observation and reporting
- Incident reporting and resolution tracking
- Conduct inspections and audits
- Cross-team collaboration
- Multi-device support
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ZERO® empowers employees to observe, report, resolve, and review hazards and incidents in real-time to improve safety, quality, and productivity. Team members can identify hazards, complete inspections or audits, and collaborate across teams from any device.
Screenshots
Verdict
The clearest difference is rating: ZERO Platform at 4.5 against Building Start's 3.4. Building Start's advantage is update cadence (monthly vs every 2 months). On price, ratings volume, 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.
ZERO Platform holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 8 and 6 respectively.
Building Start ships an update monthly, ZERO Platform every 2 months. The most recent releases landed on August 16, 2026 and September 10, 2026 respectively.
| Parameter | Building Start | ZERO Platform |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (8 ratings) | 4.5 (6 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 8 — better | 6 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Building Start | Salus Systems, LLC |
Customer experience
Building Start
ZERO Platform
In-app purchases
Building Start
No in-app purchases
ZERO Platform
No in-app purchases
