Bathsleep vs LightFasting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bathsleep
Transform your iPhone into a customizable bath and sleep light with integrated music playback. Enhance relaxation, reduce stress, and improve sleep quality with ambient lighting and specialized soundscapes.
- Bath and sleep light illumination
- Integrated music player
- OFURO DSP natural sound system
- Multi-device sound and light synchronization
- Customizable colors and transition speeds
- Clock display option
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Bathsleep - Sleep Support from Bath to Bed - Today, iPhone Becomes the Bath Light. -- Key function -- ・Bath / Sleep Light Illumination ・Music Player ・Natural DSP sound system called 'OFURO DSP'. ・Multi lights / Multi speakers collaborate sound and light with multiple iPhones. -- Effect -- ・Give you happy bath time ・Relaxation ・Fatigue recovery ・Healing ・Assist meditation ・Stress relief ・Upgrades the sound of the speakers. ・Sleep assistant ・Night music -- How to Use -- 【Main Screen】 ・Bottom right button for app settings. ・Bottom left button to select song. ・Upper left button to connect other devices for multi lights / multi speakers. ・You can choose showing clock or not. If you mind time, it's a good option. 【Light Illumination】 ・Favorite colors and transition speed can be controlled. ・The scratch cover film on the display may become light darken especially for fingerprint prevention or privacy safe type. Luster type is recommended. 【Step for Bath Light】 1. Ensure the water resistance of the device. 2. Launch this app. 3. Turn off Bathroom light. 4. Play your favorite music. 5. Put device where avoiding water splash. 6. Take bath, start relaxing. ・Put device with facing up at the corner of the bathroom and reflect backlight to two walls. Light diffuses very nice. ・Sound breaks when water intrudes into the speaker. ・Please use a waterproof case when using with equipment not water resistance construction. In addition, even if the equipment is water resistance, do not use beyond water resistance grade guaranteed by equipment (such as sinking in a bathtub). 【Step for Sleep Light】 1. Play your favorite music. 2. Turn off Bedroom light. ・BGM can play not only with illumination on but also off (while device sleeps in background). 【Music Player】 ・Support 3D Touch on home screen icon to stop music. ・Music to be played needs to be downloaded to the device. 【OFURO DSP】 1. Turn on Switch. 2. Adjust iPhone device volume. 3. Adjust the BASS or GAIN if sound is distorted (BASS is primary). ・Switch on to balance iPhone's speakers sound quality. ・Guitar amp like operation. ・Gain (volume) ・Easy 3 bands equalizer. ・Reverb ・2 flavors for the living / bed room or bath room. Flavor can be switched by device shake motion. ・By using stereophonic technology, even if iPhone is set in face up, sound direction is adjusted to you where lying in the bathtub. (Stereo speaker models only.) ・Please refer the support page for details. 【Multi lights / Multi speakers】 ・A device can connect and link with other devices that installed this application via Wi-Fi. ・Choose one parent device, then connect the child devices to the parent device. ・Please refer support page for details. (Multi lights) ・Changes in the illumination of the child devices are linked with the parent device. It is very beautiful because all the connected devices light in unified color. (Multi speakers) ・When parent device play music, child devices join to play. ・EQ, Pan, Time difference can be controlled by mixer in the parent device. (How to connect) ・Tap upper left button of the illumination screen, then select 'Become parent device' or 'Become child device' and connect (automatic connection can be chosen from next time). ・The illumination changes will synchronize with the parent device after connecting. -- Attention -- ・Developer of this application does not take any responsibility for submerge or any accident, any loss and so on. ・Your use of this application is at your sole risk. ・BGM is not included in this app. Be with your favorite sound or music!
LightFasting
This app offers a scientific approach to weight loss by guiding users through a slightly high-intensity diet. It includes tools for calorie conversion, calculating ideal weight, basal metabolic rate, and BMI, along with tracking weight changes and energy intake.
- High-intensity diet guidance
- Calorie and Joule conversion
- Standard weight calculator
- Basal metabolic rate calculator
- Body mass index calculator
- Energy intake tracking
- Weight change tracking
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If you can't stick to the exercise, what if you can't see the effect of dieting? Use the "Light Diet" App to help you lose weight faster and more scientifically. -- Traditional dieting specifies the length of time by timer, but it is not only inefficient, but also needs to keep an eye on the time. It is easy for people to give up halfway because of too much trouble. Light dieting is different. Light dieting on a daily basis can effectively reduce the weight of people with excessive daily energy intake through a slightly high-intensity diet. Believe that as long as you persist, you will be able to get rid of the harm of overweight! The product also includes the following extension tools: Calorie Joule conversion (the energy on the bottle bag can finally be easily converted) Standard weight calculator Basal metabolic rate calculator Body mass index calculator Energy intake record Weight change record
Screenshots
Verdict
The clearest difference is price: Bathsleep at Free against LightFasting's $0.99. Bathsleep also leads on ratings volume (4 vs 1) and iOS requirement (12.0 vs 14.0). LightFasting's advantage is in-app purchases (none vs 1). On rating, review sentiment, update cadence and ads 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
Bathsleep is free to download; LightFasting costs $0.99 up front. Bathsleep sells 1 one-off in-app purchase. LightFasting asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Bathsleep against 5.0 for LightFasting. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 84% and 83% positive.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 4, 2026 and September 14, 2026 respectively.
| Parameter | Bathsleep | LightFasting |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Positive reviews | 84.2% of reviews — better | 83.3% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 21 MB | 44 MB |
| Age rating | 4+ | 12+ |
| Developer | mapipo office | 兴龙 张 |
Customer experience
Bathsleep
LightFasting
In-app purchases
Bathsleep
- OFURO DSPFree
LightFasting
No in-app purchases








