Comparison

Rezet vs Welltech Sleep App

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Rezet

Features
Read full description

Rezet app helps you control the smart bed. The smart bed dynamically adapts to the morphology of our body, the intelligent system measures and takes data from the body of the person using the bed to adjust the firmness, thus improving comfort. Thanks to sleep monitoring and algorithms developed in conjunction with the Proschlaf Institute, and full control over its multiple configurable elements, Rezet learns while you sleep to provide you with the highest quality of sleep and improve your quality of life. It offers the following functions: Monitor your sleep patterns and cycles throughout the night. Additionally, this free mobile app allows you to view your sleep cycles, see the reports and conclusions of each sleep session. Rezet can help you sleep better and wake up more rested.

About

Welltech Sleep App

Features
Read full description

Welltech Electronics S.L. is revolutionizing the sleep sector by focusing its goals on improving the health of its users. Its innovative design and technology allow for detailed monitoring of body posture, sleep phases, and the quality of recovery achieved during the night. The devices integrated into the mattresses analyze sleep through smart sensors that transmit data to the Welltech Sleep App, where users can access detailed information about their sleep cycles. The system records the full timeline of rest, including total time in bed and actual sleep duration, offering comparisons between both measurements and generating alerts in case of unusual behavior, with daily or custom period views. Additionally, the system evaluates sleep quality, recovery, and records average heart rate and respiratory rate throughout the night. Based on the recorded data, it provides personalized recommendations using artificial intelligence, aimed at improving recovery and maintaining physical and mental balance.

Screenshots

Rezet4 screens
Welltech Sleep App4 screens

Verdict

The call

The clearest difference is update cadence: Welltech Sleep App at every 5 weeks against Rezet's every 3 months. Rezet's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Rezet ships an update every 3 months, Welltech Sleep App every 5 weeks. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

Scorecard2 real differences ยท 4 level
Rezet versus Welltech Sleep App: the parameters behind the verdict, then further details
ParameterRezetWelltech Sleep App
PriceFreeFree
Update frequencyEvery 3 monthsEvery 5 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size40 MB34 MB
Age rating4+4+
DeveloperRezet Technologies, Inc.Welltech Electronics, S.L.

In-app purchases

None

Rezet

No in-app purchases

None

Welltech Sleep App

No in-app purchases

Questions

Is Rezet free?
Rezet is free to download, with no in-app purchases.
Is Welltech Sleep App free?
Welltech Sleep App is free to download, with no in-app purchases.
Do Rezet or Welltech Sleep App have ads?
Neither Rezet nor Welltech Sleep App shows ads.
Which is updated more often, Rezet or Welltech Sleep App?
Rezet ships an update every 3 months, and Welltech Sleep App every 5 weeks. Most recently, Rezet was updated on September 17, 2026 and Welltech Sleep App on September 23, 2026.

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