Table 1.
Current commercially available breath acetone sensing devices.
| Brand | Technology | FDA Status | Strengths | Limits |
|---|---|---|---|---|
| METRON [71] | SNP c, ammonium sulfate powder | N/A b | Disposable | Off Market |
| INVOY [72,75] | Liquid Cartridges with Metal Oxide d | Registered Class 1 | Available through a nutrition program | Disposable cartridges |
| Ketoscan [36,73] | Photoionization Detector | Registered Class 1 | Undergoing trials | Limited data |
| House of Keto [35] | Metal Oxide Detector | N/A b | Cheap cost | Generic build, Limited data |
| Ketonix [76] | N/A a | Registered Class 1 | Cheap cost | Limited data |
| Qetoe [34] | Metal Oxide Detector | N/A b | Cheap cost | Generic build, Limited data |
| Lencool [33] | Metal Oxide Detector | N/A b | Cheap cost | Generic build, Limited data |
| Lexico health [32] | Metal Oxide Detector | N/A b | Cheap cost | Generic build, Limited data |
| KetoPRX [77] | N/A a | N/A b | Cheap cost | Generic build, Limited data |
| Keyto [78] | N/A a | N/A b | Easy use | Limited data |
| LEVL [79] | N/A a | Registered Class 1 | Clinician coaching included | Expensive, limited data |
| Biosense [31,70] | Metal Oxide Detector | Registered Class 1 | Data available | expensive |
a Technology in use was not publicly available. b The device listed is not registered with the FDA or the status could not be determined. c Sodium Nitroprusside (SNP). d Specific details regarding composition of liquid and the metal oxide was not listed.