PortaGas vs Midrex Events
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PortaGas
Access calibration gas certificates and safety data sheets instantly. Manage cylinder information, track expiration dates, and set reminders to maintain process quality. Streamline cylinder reordering and learn about sustainable programs.
- Real-time COA and SDS access
- Cylinder information scanning and storage
- Expiration date alerts
- Cylinder reorder list creation
- Sustainability program information
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The Portagas App is an easy access tool allowing real-time immediate access to calibration gas certificate of analysis, and safety data sheets. Simplify cylinder management and cylinder tracking in your facility by using your electronic device as a mobile database of cylinder information. Learn more about the Strip & Ship program and our commitment to sustainability • Quickly retrieve and email eCOAs and SDSs. • Scan and store cylinder information, blend expiration dates and blend specifications in your phone. • Set alerts to monitor and anticipate the expiration of your gas blend to ensure process quality. • Create, store and email your cylinder reorder list. • Save money with no return or disposal fees by using the Strip & Ship program
Midrex Events
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Your all-in-one Midrex event companion for schedules, speaker details, updates, and helpful resources before, during, and after the event.
Screenshots
Verdict
The clearest difference is update cadence: Midrex Events at every 3 months against PortaGas's every 22 months. PortaGas's advantage is iOS requirement (15.0 vs 17.0). 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.
PortaGas ships an update every 22 months, Midrex Events every 3 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.
| Parameter | PortaGas | Midrex Events |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (4 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 22 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 110 MB | 77 MB |
| Age rating | 4+ | 17+ |
| Developer | Linde GmbH | Midrex Technologies, Inc. |
In-app purchases
PortaGas
No in-app purchases
Midrex Events
No in-app purchases
