# Deltek WorkBook vs Haystack

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.

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.

## The numbers

| Metric | Deltek WorkBook | Haystack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (5 ratings)](https://appshunter.io/ios/app/deltek-workbook/id1455942351/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/haystack-modern-intranet/id1569858813/reviews)** |
| Number of ratings | 5 | **18** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 81 MB | 77 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deltek, Inc.](https://appshunter.io/developer/520994811) | [Haystack Inc.](https://appshunter.io/developer/1569858907) |

## What reviewers say

### Deltek WorkBook

[App page](https://appshunter.io/ios/app/deltek-workbook/id1455942351)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Haystack

[App page](https://appshunter.io/ios/app/haystack-modern-intranet/id1569858813)

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.

**Highlights:** Internal communication streamlining, Employee directory and collaboration, Centralized knowledge base, Event creation and management, Content creation and measurement, Secure information hub

**In-app purchases:** none


## Frequently asked questions

### Is Deltek WorkBook free?

Deltek WorkBook is free to download, with no in-app purchases.

### Is Haystack free?

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

### Which has better reviews, Deltek WorkBook or Haystack?

Haystack is rated higher. Deltek WorkBook averages 2.2 out of 5 from 5 ratings, while Haystack averages 5.0 from 18 ratings.

### Do Deltek WorkBook or Haystack have ads?

Neither Deltek WorkBook nor Haystack shows ads.

### Which is updated more often, Deltek WorkBook or Haystack?

Deltek WorkBook ships an update every 2 months, and Haystack every 11 days. Most recently, Deltek WorkBook was updated on June 10, 2026 and Haystack on September 9, 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.*