Comparison

Waveful vs RewardLens

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

Head to head
About

Waveful

Features
Read full description

* Sound-based Wellness App Inspired by Frequency Research This wellness app provides frequency (Hz)-based sounds inspired by scientific papers and research studies. Explore sound categories such as Motion Comfort, Relaxation, Focus Support, Meditation, Ambient Noise, and Guided Breathing to create a more comfortable listening experience in everyday life. * Available Sounds 1. 100Hz Motion Comfort / Gentle Low-Frequency Support - Inspired by research published in Environmental Health and Preventive Medicine by researchers from Nagoya University, Japan (2025) 2. 432Hz Relax Mode / Relaxation & Sleep Support - Inspired by research published in EXPLORE by researchers from the University of Florence, Spain (2019) - Inspired by research published in Journal of Applied Oral Science by researchers from Valdivia, Chile (2020) 3. 528Hz Relaxation Tone / Calm & Relaxation Support - Inspired by research published in Health by researchers from Juntendo University, Japan (2018) 4. Binaural Beats Focus Support / Concentration Aid - Inspired by research published in Psychological Research by researchers from UNED, Spain (2019) - Inspired by research published in PLOS ONE by researchers from the University of Duisburg-Essen, Germany (2023) 5. 40Hz Gamma-Inspired Sound / Cognitive Focus Support - Inspired by research published in Journal of Neuroscience by researchers from the Pamplona Medical School, Spain (2002) 6. Ambient Noise Layer / White, Pink & Brown Noise - Inspired by research published in Journal of Clinical Sleep Medicine by researchers from Weill Cornell Medical College, USA (2022) - Inspired by research published in Frontiers in Psychology by researchers from Hamburg University Hospital, Germany (2015) 7. Guided Breathing / 4-7-8 & Box Breathing - Inspired by research published in Neuroscience & Biobehavioral Reviews by researchers from the University of Caen Normandy, France (2022) 8. 963Hz Meditation Tone / Deep Meditation - Direct clinical evidence regarding the specific effects of 963Hz remains limited. - This feature is designed as a high-frequency meditation sound intended to support deep meditation and immersive listening experiences rather than medical treatment. 9. 639Hz Harmonic Energy / Harmonious Atmosphere - Direct clinical evidence regarding the specific effects of 639Hz is currently limited. - This feature is intended to provide a soft harmonic tone for creating a calm and harmonious atmosphere. 10. 72Hz Deep Grounding / Low Frequency Grounding - Direct clinical evidence regarding the specific grounding effects of 72Hz has not been established. - This feature is designed as a low-frequency sound intended to create a calm and stable listening environment. 11. 1122Hz Clarity Tone / Clear High-Frequency Tone - Direct clinical evidence regarding the specific effects of 1122Hz remains limited. - This feature is intended to provide a clear and crisp high-frequency listening experience that may support focus and mental clarity. * Recommended Listening Time - Motion Comfort: 1 min - Sleep / Relaxation: 20–45 min, default 30 min - Stress Relief: 10–30 min, default 15 min - Focus: 15–45 min, default 25 min - Meditation: 10–30 min, default 15 min - Energy / Awakening: 5–15 min, default 10 min - Cognitive Focus Support: 10–20 min, default 15 min - Deep Grounding: 5–20 min, default 10 min - Spiritual / Intuition Sounds: 5–20 min, default 10 min *How to Use 1. Wear earphones or headphones for a more immersive experience. 2. Select your preferred category and press play. 3. Customize the playback timer as needed. * Key Features - Custom Hz settings - Background playback - Multiple timer options This app is a wellness tool inspired by research. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Individual experiences may vary. Consult a qualified healthcare professional for health-related concerns.

About

RewardLens

Earn rewards by creating short videos about products you purchase and use. These videos provide valuable market research for manufacturers. Redeem your earned points for gift cards and invite friends to increase your earnings.

Highlights
  • Create product videos for rewards
  • Participate in market research projects
  • Earn points and redeem gift cards
  • Invite friends for increased earnings
  • Share shopping and usage experiences
Features
Read full description

RewardLens is an application that rewards shoppers for making short videos about the products they buy and use. These videos are used for market research to help product manufacturers understand real shopping and usage experiences and improve their products. Videos are never used to market products and are never shared with other websites. It’s simpler and more rewarding than traditional online surveys. Join available projects, record as directed, earn points, and redeem rewards — including gift cards. Invite friends and grow your earnings as you go. Join RewardLens and start earning your reward!

Screenshots

Waveful4 screens
RewardLens3 screens

Verdict

The call

The clearest difference is ads: RewardLens at none against Waveful's shown. Waveful's advantage is iOS requirement (16.0 vs 18.5). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 27, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 7 level
Waveful versus RewardLens: the parameters behind the verdict, then further details
ParameterWavefulRewardLens
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyFortnightlyFortnightly
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better18.5
Further details — not scored
Size4 MB21 MB
Age rating4+17+
DeveloperPurple Night IncMotions Research LLC

In-app purchases

None

Waveful

No in-app purchases

None

RewardLens

No in-app purchases

Questions

Is Waveful free?
Waveful is free to download, with no in-app purchases.
Is RewardLens free?
RewardLens is free to download, with no in-app purchases.
Do Waveful or RewardLens have ads?
Waveful shows ads; RewardLens does not.
Which is updated more often, Waveful or RewardLens?
Waveful ships an update fortnightly, and RewardLens fortnightly. Most recently, Waveful was updated on September 27, 2026 and RewardLens on October 8, 2026.

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