NHD vs Eyewitness Maintenance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NHD
This app helps participants navigate and stay updated on the National History Day - California State Contest. Create a personalized schedule for student projects like exhibits, documentaries, and websites, and use built-in maps and agendas to explore the competition.
- Create custom event schedules
- View student project details
- Access contest maps
- Check event agendas
- Stay updated on contest news
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The official National History Day - California (NHD-CA) app gives you the tools to navigate and stay up-to-date on the NHD-CA State Contest. The NHD-CA app allows you to create your own schedule of student-produced exhibits, documentaries, historical papers, performances, posters, and websites. The app also helps navigate the competition with maps, agendas, and much more!
Eyewitness Maintenance
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About this app Eyewitness® Workforce Automation for Maintenance is an application used to track progress and completion of tasks assigned to individuals or crews within an organization. This application is used in conjunction with the licensed Web Application (Eyewitness® Workforce Automation – Maintenance) for creating, distributing and dispatching maintenance and other types of tasks to individuals or crews. Eyewitness® is a registered Trademark of The Siroky Group Inc. in Canada and USA. About this app Eyewitness® Workforce Automation for Maintenance is an application used to track progress and completion of tasks assigned to individuals or crews within an organization. This application is used in conjunction with the licensed Web Application (Eyewitness® Workforce Automation – Maintenance) for creating, distributing and dispatching maintenance and other types of tasks to individuals or crews. Eyewitness® is a registered Trademark of The Siroky Group Inc. in Canada and USA. With this app you can • View your work list on a map or in a list • Add notes to items within your worklist • Check status of items your crew is working on • Start, Pause and complete tasks in your worklist • Take photos at various status of your process • Report new issues found while working throughout the day • Return items that can’t be completed Feedback Have a problem? Have an idea? Please send us an email – support@sirokygroup.com Getting Started Before you can begin you will need to know the URL for the Workforce Automation site your company is working with as well as your assigned UserID and Password. This mobile version is compatible with the web application version 4.0.0.91+
Screenshots
Verdict
The clearest difference is ads: Eyewitness Maintenance at none against NHD's shown. On price, update cadence, in-app purchases and device support 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.
NHD ships an update every 11 months, Eyewitness Maintenance every 21 months. The most recent releases landed on September 15, 2026 and October 18, 2026 respectively.
| Parameter | NHD | Eyewitness Maintenance |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (6 ratings) — better | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 11 months — better | Every 21 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 14.2 |
| Further details — not scored | ||
| Size | 44 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Sacramento County Office of Education | The Siroky Group Inc. |
In-app purchases
NHD
No in-app purchases
Eyewitness Maintenance
No in-app purchases
