# HammerTech Mobile vs Gray Events

The clearest difference is rating: Gray Events at 4.0 against HammerTech Mobile's 3.6. HammerTech Mobile's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (19 vs 4). 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.

Gray Events holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 19 and 4 respectively.

HammerTech Mobile ships an update every 3 weeks, Gray Events every 3 months. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HammerTech Mobile | Gray Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (19 ratings)](https://appshunter.io/ios/app/hammertech-mobile/id1503120602/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/gray-events/id1643787349/reviews)** |
| Number of ratings | **19** | 4 |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 51 MB | 66 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [HammerTech](https://appshunter.io/developer/1492255048) | [GRAY CONSTRUCTION, INC.](https://appshunter.io/developer/688992552) |

## What reviewers say

### HammerTech Mobile

[App page](https://appshunter.io/ios/app/hammertech-mobile/id1503120602)

Streamline jobsite operations with a comprehensive mobile platform for HSEQ management. Conduct paperless inspections, receive instant notifications, and configure flexible forms to standardize processes and reduce delays. Improve safety, productivity, and profitability on construction sites.

**Highlights:** Fully mobile inspections with offline mode, Instant notifications for trade partners, Powerful and flexible form configuration, Standardize and update HSEQ processes easily, Centralized operational, safety, and quality management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Gray Events

[App page](https://appshunter.io/ios/app/gray-events/id1643787349)

Stay informed about events with detailed schedules, interactive maps, and timely notifications. Access all the essential information you need to navigate and participate.

**Highlights:** Detailed event information, Schedules at your fingertips, Interactive maps, Important event notifications, Easy navigation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HammerTech Mobile free?

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

### Is Gray Events free?

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

### Which has better reviews, HammerTech Mobile or Gray Events?

Gray Events is rated higher. HammerTech Mobile averages 3.6 out of 5 from 19 ratings, while Gray Events averages 4.0 from 4 ratings.

### Do HammerTech Mobile or Gray Events have ads?

Neither HammerTech Mobile nor Gray Events shows ads.

### Which is updated more often, HammerTech Mobile or Gray Events?

HammerTech Mobile ships an update every 3 weeks, and Gray Events every 3 months. Most recently, HammerTech Mobile was updated on November 3, 2026 and Gray Events on October 24, 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.*