GasUnits vs Halliday G2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GasUnits
This app simplifies complex natural gas and LNG unit conversions for industry professionals. It accurately converts over 90 volume, rate, and price units, offering precise results and composition-based estimates. Easily copy formatted results for reports and models.
- Converts 90+ gas volume, rate, and price units
- Supports three standard gas heating values
- Calculates barrels of oil equivalent
- Provides composition-based estimates
- Fast, intuitive, and error-proof design
- Copy results for reports and models
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GasUnits by Gulfstream LNG is the industry’s most versatile universal gas‑unit converter — purpose‑built for professionals who work with natural gas and LNG. Our sector deals in billions, trillions, and even giga‑ and peta‑scale units, where a single miscalculation can derail a deal, distort a forecast, or undermine a technical analysis. GasUnits removes that risk. Created by Vivek Chandra, a seasoned LNG and gas entrepreneur, GasUnits is a free public‑service app designed to simplify the complex. It converts 90+ gas volume, rate, and price units with precision, delivering exact results where possible and smart, composition‑based estimates where required. Choose from three standard gas heating values (1000, 1036, or 952 Btu/ft³), switch between gas volume, gas rate, and gas price calculators, and even compute barrels of oil equivalent using either 6,000 ft³ or 5,800 ft³ per boe. Every result is cleanly formatted and can be copied instantly into your reports, emails, or models. Designed to be fast, easy to use, intuitive, and error‑proof, GasUnits helps traders, engineers, analysts, and commercial teams move with confidence — whether you’re validating a calculation, checking a contract number, confirming a conversion on the go, or aligning stakeholders around a single defensible figure. GasUnits by Gulfstream LNG — simplifying the world’s most complex gas conversions, one calculation at a time. A public service by Gulfstream LNG is an independent LNG export project under development in Louisiana, USA. Disclaimer: Conversions use industry-standard factors. Verify any critical conversions against authoritative sources. GasUnits by Gulfstream LNG is provided for reference only; GasUnits and its creators and supporters (including Vivek Chandra and Gulfstream LNG Development, LLC) accept no responsibility or liability. Do not rely on this tool for commercial, financial, technical, or other decisions. Feed back should be sent to Vivek Chandra at vc@GulfstreamLNG.com
Halliday G2
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Halliday App is designed to connect your Halliday Glasses, providing a seamless and the best possible user experience. By using the Halliday app, you can easily adjust various settings of your glasses to use the following features on your glasses: 1. Meeting Flow for real-time assistance during meetings, including live prompts, quick research, and quick summaries. 2. Meeting notes and transcripts, automatically generated and organized in the app after each meeting. 3. Real-time translation for global communication, travel, or study abroad. 4. Cheatsheets for public speaking, presentations, and content creation. 5. Halliday AI for hands-free answers, quick help, and everyday questions on the go. 6. Dashboard for viewing your schedule, weather, and reminders at a glance. 7. Notifications for screening and prioritizing important messages while keeping your phone away. 8. Phone calls for hands-free communication, multitasking, and discreet calling in public settings. 9. Music streaming for entertainment, focus sessions, workouts, and background ambiance.
Screenshots
Verdict
The clearest difference is update cadence: Halliday G2 at every 4 days against GasUnits's every 10 days. On price, ads, in-app purchases and device support 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.
GasUnits ships an update every 10 days, Halliday G2 every 4 days. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.
| Parameter | GasUnits | Halliday G2 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Vivek Chandra | HALLIDAY HOLDINGS PTE. LTD. |
In-app purchases
GasUnits
No in-app purchases
Halliday G2
No in-app purchases









