Polyrhythm vs TBPS Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Polyrhythm
Create a personalized soundscape for relaxation, sleep, or meditation. Explore a variety of organic and synthesized instruments, ambient background sounds, and AI-generated presets. Customize and save your favorite sound combinations for a tranquil experience.
- Variety of sound presets
- Organic and synthesized instruments
- Background ambient sounds
- AI preset generator
- Advanced preset customization
- Create and save custom presets
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When it's time for rest and relaxation, our app will become your faithful companion. Perfect for use before sleep or during meditation, it can also help soothe your child or yourself. Based on polyrhythmic sound playback, our app promises a deep immersion into the world of sounds and visualizations. Features of our app: - A variety of presets with unique moods; - Various organic and synthesized musical instruments to create the perfect atmosphere; - Background sounds including white noise, bird songs, and ocean waves; - AI preset generator for a continuous flow of inspiration; - Advanced preset customization for precise sound tuning; - Ability to create custom presets and save them to favorites. Discover the world of harmony and tranquility with our unique app - your personal oasis of calm. Also worth reading Privacy Policy: https://sites.google.com/view/castles-trip-privacy-policy. And Terms of use: https://sites.google.com/view/polyrhythm-tos
TBPS Lite
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TBPS is a versatile three-body problem simulator that allows you to explore the fascinating and mysterious dynamics of three-body phenomena. Whether you're an observer marveling at the unpredictable motions of celestial objects or a creator designing unique universes by tweaking various parameters, TBPS offers a compelling experience. Learn more about the three-body problem in mathematics and physics by visiting https://en.wikipedia.org/wiki/Three-body_problem or explore its depiction in literature through the acclaimed novel *The Three-Body Problem* by Liu Cixin at [https://en.wikipedia.org/wiki/The_Three-Body_Problem_(novel)](https://en.wikipedia.org/wiki/The_Three-Body_Problem_(novel)).
Screenshots
Verdict
The clearest difference is in-app purchases: TBPS Lite at none against Polyrhythm's 3. TBPS Lite also leads on update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement 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
Both are free to download. Polyrhythm sells 3 in-app purchases, starting at $1.99 per 7 days. TBPS Lite asks for nothing beyond the download.
Polyrhythm ships an update every 5 weeks, TBPS Lite weekly. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.
| Parameter | Polyrhythm | TBPS Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (7 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 131 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Stanislav Duplinskiy | Wu Bin |
In-app purchases
Polyrhythm
- Full access to app functions$1.997 Days
- Full access to app functions$5.991 Month
- Full access to app functions3 Days trial$12.993 Months
TBPS Lite
No in-app purchases
Questions
Is Polyrhythm free?
Is TBPS Lite free?
Do Polyrhythm or TBPS Lite have ads?
Which is updated more often, Polyrhythm or TBPS Lite?
Other comparisons
