Caire Freestyle Comfort 5
- 8hours
- 40Celcius
- 90-96%
Philips SimplyGo Portable Oxygen Concentrator
- 90-96%
- Portable (Battery powered)
- 0.5-2LPM
Caire Freestyle Comfort 5 and Inogen One G3 are both Portable (Battery-powered) Portable (Battery powered) Oxygen Concentrators with purity 90-96 %. However, they differ in areas such as User Replaceable Sieve Beds, Purity, Battery Duration and Temperature Range.
Below is a detailed comparison of Caire Freestyle Comfort 5 and Inogen One G3 to help you understand their specifications, features, advantages, and key differences.
| Compare | ||
|---|---|---|
| Brand | Caire | Inogen |
| Rating | ||
| Warranty |
1 year warranty
|
3 year warranty
|
| User Replaceable Sieve Beds | No | — |
| Purity | 90-96 % | 90-95 % |
| Battery Duration | 8 hours | — |
| Temperature Range | 40 Celcius | — |
| Type | Portable (Battery powered) | Portable (Battery-powered) |
| mL dose | — | 18.9 mL |
| Pulse Flow | 1-5 Pulse setting | 1-5 Pulse setting |
| Weight | 2.3 kg | 2.19 kg |
| Operating altitude | 10000 feet | 10000 feet |
| Battery backup (at 2 pulse setting) | 4 hours | 4.7 hours |
| Recharge time | 3.5 hours | 5 hours |
| Backup with external battery pack | 16 hours | 10 hours |
| Oxygen Purity Indicator (OPI) | Yes | No |
| Sound level | 39.9 db | 39 db |
| Dimensions | 10H x 7.3W x 3.1D inch | 8.75H x 8.25W x 3D inch |
| Outlet pressure | 30 psi | — |
| Indian Voltage Model | Yes | Yes |
| Oxygen Purity % Analyzer | No | No |
| Loss of Power Alarm | Yes | Yes |
| Company Headquarters | USA | USA |
| System Malfunction Alarm | Yes | Yes |
| No Flow Alarm | No | Yes |
| US FDA Approved | Yes | Yes |
| FAA Approved | Yes | Yes |
| CE Certified | Yes | Yes |
| Literature | ||
| Brochure | Download Brochure | Download Brochure |
| User manual | Caire Freestyle Comfort 5 User Manual | Inogen One G3 User Manual |
| Service manual | - | Inogen One G3 Service Manual |
Caire Freestyle Comfort 5 is listed as a Portable (Battery powered) oxygen concentrator, while Inogen One G3 is listed as a Portable (Battery-powered) oxygen concentrator.
Both Caire Freestyle Comfort 5 and Inogen One G3 provide pulse flow of 1-5 Pulse setting.
Both models provide medical-grade oxygen, with Caire Freestyle Comfort 5 listed at 90-96 % and Inogen One G3 listed at 90-95 % across their flow range.
Caire Freestyle Comfort 5 comes with 1 year warranty, while Inogen One G3 comes with 3 year warranty.
Both Caire Freestyle Comfort 5 and Inogen One G3 are headquartered in USA.
Caire Freestyle Comfort 5 has an Oxygen Purity Indicator while Inogen One G3 lacks this feature. A LED light turns on when purity drops below therapeutic level (typically below 82%).
Neither product has an Oxygen Purity % analyser and lacks this feature. This means none of the machines can display the actual oxygen purity percentage on the screen.
Caire Freestyle Comfort 5 weighs 2.3 kg, while Inogen One G3 weighs 2.19 kg. A lighter model is generally easier to move and handle.
Caire Freestyle Comfort 5 measures 10H x 7.3W x 3.1D inch, while Inogen One G3 measures 8.75H x 8.25W x 3D inch.


