Astrodate vs ErgoMine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Astrodate
This app provides the current date and time in multiple specialized formats, including Julian Date, Modified Julian Date, and Truncated Julian Date. It also offers standard Gregorian ISO 8601 formats, eliminating the need for manual calculations. Ideal for astronomers and those requiring precise timekeeping across various systems.
- Julian Date conversion
- Modified Julian Date
- Truncated Julian Date
- Dublin Julian Date
- Gregorian ISO 8601 format
- Astronomical date calculations
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Astrodate provides the current date and time in Julian Date, Modified Julian Date, Truncated Julian Date, and Dublin Julian Date as well as normal Gregorian ISO 8601 numeric date time formats. This is particularly useful for astronomers and others who need these various date formats, and don't want to do the calculations.
ErgoMine
This app helps mining companies conduct ergonomics audits for various operations. It uses questionnaires to identify workplace deficiencies and provides recommendations and resources for improvement. Developed by researchers, it's designed for safety personnel without requiring ergonomics expertise.
- Ergonomics audits for bagging, maintenance, and haul trucks
- Focus on injury prevention
- Questionnaire-based evaluation
- Provides recommendations and resources
- Developed by occupational safety researchers
- No ergonomics expertise required
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ErgoMine allows mining companies to perform ergonomics audits for bagging, maintenance and repair, and haul truck operations. These audits primarily focus on injuries due to handling materials, policies, workplace design, and slips, trips, and falls, but address other ergonomics deficiencies. This application presents a series of questionnaires and evaluates the answers to provide the auditor with information, recommendations, and targeted resources to improve the workplace environment. ErgoMine was developed by Pittsburgh Mining Research Division researchers within the National Institute for Occupational Safety and Health. The audits and recommendations are based on information from sources including laboratory studies, field studies, injury and fatality data, consensus standards, regulations, and best practices. The audits were designed to be conducted by mine personnel responsible for safety and does not require any ergonomics expertise.
Screenshots
Verdict
The clearest difference is price: ErgoMine at Free against Astrodate's $0.99. ErgoMine also leads on rating (3.0 vs 1.0) and iOS requirement (9.0 vs 18.0). On ratings volume, update cadence, ads and in-app purchases 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
ErgoMine is free to download; Astrodate costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ErgoMine holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Astrodate ships an update every 12 months, ErgoMine every 16 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Astrodate | ErgoMine |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) | 3.0 (2 ratings) — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 12 months — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 151 MB |
| Age rating | 4+ | +4 |
| Developer | Flying Titans, Inc. | Centers For Disease Control and Prevention |
Customer experience
Astrodate
ErgoMine
In-app purchases
Astrodate
No in-app purchases
ErgoMine
No in-app purchases









