# Date Wheel date calculator vs HammerTech Mobile

The clearest difference is review sentiment: Date Wheel date calculator at 87% against HammerTech Mobile's 42%. Date Wheel date calculator also leads on rating (4.7 vs 3.6) and chart position (#88 vs unranked). HammerTech Mobile's advantage is price (Free vs $4.99) and update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

HammerTech Mobile is free to download; Date Wheel date calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Date Wheel date calculator holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: Date Wheel date calculator has 97 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 87% of Date Wheel date calculator's written reviews are positive against 42% of HammerTech Mobile's.

Date Wheel date calculator ships an update every 3 months, HammerTech Mobile every 3 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Date Wheel date calculator | HammerTech Mobile |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (97 ratings)](https://appshunter.io/ios/app/date-wheel-date-calculator/id325207575/reviews)** | [3.6 (19 ratings)](https://appshunter.io/ios/app/hammertech-mobile/id1503120602/reviews) |
| Number of ratings | **97** | 19 |
| Positive reviews | **86.7% of reviews** | 41.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#88** | — |
| Size | 3 MB | 51 MB |
| Requires iOS | **7.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Creative Algorithms](https://appshunter.io/developer/325207578) | [HammerTech](https://appshunter.io/developer/1492255048) |

## What reviewers say

### Date Wheel date calculator

[App page](https://appshunter.io/ios/app/date-wheel-date-calculator/id325207575)

**Currently charting:** #88 Top Paid · Business (US App Store)

This app calculates the time between two dates in various units, including months, weeks, days, and business days. It allows users to save calculations, set countdowns to important events, and track durations for both personal and professional use.

**Highlights:** Calculate time between dates, Units: months, weeks, days, business days, Save and manage calculations, Countdown to events, Real-time date and duration updates, Intuitive user interface

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and user-friendly interface
- 🚀 Quick and efficient date calculations
- 💾 Ability to save and store multiple calculations
- 📊 Flexible time unit options (days, weeks, months, business days)
- 🔒 Reliable and stable performance

**What reviewers complain about**

- 🐛 Month calculation accuracy issues (uses 30-day approximation)
- 📱 No landscape mode support on iPad
- 🎨 Data entry interface lacks visual wheel design
- ⚠️ Year field easily changed by mistake
- 🔐 Lock feature doesn't prevent accidental changes

**Reported bugs**

- Month calculations produce inaccurate results (off by 0.5-1 month)
- Year field susceptible to accidental changes
- Lock feature does not actually prevent value modifications
- Off-by-one day calculation in some scenarios
- Business day calculations may not match expected results

**Requested features**

- Landscape orientation support for iPad
- Visual spinning wheel interface instead of data entry
- Day of week display in date selection wheels
- Calendar integration with iOS Calendar app
- Years as a time unit option


### 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


## Frequently asked questions

### Is Date Wheel date calculator free?

Date Wheel date calculator costs $4.99, with no in-app purchases.

### Is HammerTech Mobile free?

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

### Which has better reviews, Date Wheel date calculator or HammerTech Mobile?

Date Wheel date calculator is rated higher. Date Wheel date calculator averages 4.7 out of 5 from 97 ratings, while HammerTech Mobile averages 3.6 from 19 ratings.

### Do Date Wheel date calculator or HammerTech Mobile have ads?

Neither Date Wheel date calculator nor HammerTech Mobile shows ads.

### Which is updated more often, Date Wheel date calculator or HammerTech Mobile?

Date Wheel date calculator ships an update every 3 months, and HammerTech Mobile every 3 weeks. Most recently, Date Wheel date calculator was updated on October 31, 2026 and HammerTech Mobile on October 29, 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.*