Table 5.

Summary of commercial smart bottles.

Product Name	Price (USD)	Pros	Cons	Size (oz)
Hidrate Spark 3	$59.95	Clinically validated, Offline glow reminders, Plastic—Light, Saves data locally, sync later	Not rechargeable, No API, Large size	20
Hidrate Spark Steel	$64.99	Clinically validated, Rechargeable, Offline glow reminders, Allows ice, Saves data locally, sync later	Hand wash only, No hot drinks, 10–14 day battery, No API, Steel—Heavy	17/21
H2OPal	$99.99	API available, Compatible with any bottle of same size, Dishwasher safe, Saves data locally, sync later, Hot liquid allowed	Needs setup, Not rechargeable, No offline reminders	18.6
Ozmo Active/ Java+	$69.99	Differentiates water and coffee, Java + regulates temperature, Real-time sync in app, Rechargeable, LED to indicate hydration goals, Offline vibration reminders	Hand wash only, No API	16
Thermos Smart lid	$42.35	Temperature sensor, Rechargeable, Stores locally for up to 1 week, Plastic—Light	No hot liquids, Must be upright to record, Large size	24
DrinKup	$69	Shows amount and temperature, Determines whether water is stale, Allows ice, Rechargeable, Stores locally, Simple, subtle design	Not available, limited information	17
HydraCoach 2.0	$27.94	Allows ice, Dishwasher safe, Results directly on bottle	Low-intensity sips may not register, Offline use only, No data transfer, No hot drinks	22
Droplet	$47.53	Designed for elderly (light, ergonomic), Looks like normal cup/mug, Compatible base, Light, Voice reminders on bottle, Dishwasher safe	Offline, No access to data	9.5–11.2