Deltek WorkBook vs Haystack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Deltek WorkBook
This mobile application helps agencies stay connected and productive, especially when away from the office. Users can manage their inbox, upload receipts, enter time, and access contacts directly from their device.
- Access WorkBook contacts
- Receive reminders and notifications
- Read conversations and leave comments
- Communicate with global team members
- View task lists
- Upload expense entries and receipts
- Enter time from anywhere
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WorkBook is the key to keeping your agency engaged, connected and productive, especially on the go. Now it’s even easier for you to access your Inbox, upload receipts and enter your time, all from the convenience of your mobile device. With the Deltek WorkBook App you can: • Access your WorkBook contacts • Get reminders and notifications • Read conversations and leave comments • Communicate with team members across the globe • View your Task List • Upload expense entries and receipts • Enter your time from anywhere
Haystack
This platform streamlines internal communication, team collaboration, and knowledge sharing for businesses. It offers features for creating and viewing content, managing employee directories, accessing a centralized knowledge base, and organizing company events.
- Internal communication streamlining
- Employee directory and collaboration
- Centralized knowledge base
- Event creation and management
- Content creation and measurement
- Secure information hub
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Use Haystack for: • Communication - Break down silos and streamline internal communication. Create, view, and measure content across multiple platforms - all from one place. • Directory - See your coworkers and work together more effectively. • Knowledge - Accelerate productivity, and improve knowledge access with a connected knowledge base. Create, connect, verify, and search across exisiting platforms in one centralized, secure hub. • Events - Create and view gatherings at any scale (virtual, in-person, or hybrid). Members can RSVP to events, manage their status, and add event details to their personal calendars. Your Haystack work platform transforms the way you and your coworkers communicate, collaborate, and share knowledge.
Screenshots
Verdict
The clearest difference is review sentiment: Haystack at 100% against Deltek WorkBook's 0%. Haystack also leads on rating (5.0 vs 2.2) and update cadence (every 11 days vs every 2 months). Deltek WorkBook's advantage is iOS requirement (8.0 vs 16.6). On price, ads, in-app purchases and monetization model 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.
Haystack holds the better App Store score, 5.0 against 2.2. Both are backed by a comparable volume of ratings — 5 and 18 respectively. Written reviews point the same way: 0% of Deltek WorkBook's written reviews are positive against 100% of Haystack's.
Deltek WorkBook ships an update every 2 months, Haystack every 11 days. The most recent releases landed on June 10, 2026 and September 9, 2026 respectively.
| Parameter | Deltek WorkBook | Haystack |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (5 ratings) | 5.0 (18 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 | 18 — better |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 81 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Deltek, Inc. | Haystack Inc. |
Customer experience
Deltek WorkBook
Haystack
In-app purchases
Deltek WorkBook
No in-app purchases
Haystack
No in-app purchases
Questions
Is Deltek WorkBook free?
Is Haystack free?
Which has better reviews, Deltek WorkBook or Haystack?
Do Deltek WorkBook or Haystack have ads?
Which is updated more often, Deltek WorkBook or Haystack?
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