PrivateSea vs Onsen Tamago
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PrivateSea
This app helps you achieve your goals by generating personalized game levels based on your resolutions. Customize your 'life game' levels, add rewards, and track your progress with detailed statistics and habit tracking.
- AI-generated game levels based on resolutions
- Customizable 'life game' levels
- Add rewards for completed tasks
- Habit tracking and notes
- Graphical statistics
- iCloud data sync
- Today Widget
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*** Brand new version *** Explore limitless possibilities. Challenge yourself here. Make efforts. Make drops. Make your sea. Main Features: * Automatically and intelligently generate game levels based on your New Year's resolutions! * You can also customize "life game" levels. * You can Add rewards for Games / Challenges / Breadth Exploration / Plans. After you finish your exploration, you can buy rewards later. In this way, you can motivate yourself to do more things and no longer spend much money. More Features: * Explore a broader world, acquire more skills. * Set a deadline for the todo/goal * Add notes for habits and todos * Track your habit * More graphics statistics * Use a powerful search tool to search your drops * Sync your data through iCloud * Today Widget - check todos and the time you are tracking now easily Pro subscription: Dream/Goal Decomposition by AI; Little angel (AI chatbot). Terms of Use: https://orealmlab.com/privatesea-terms Privacy Policy: https://orealmlab.com/privatesea-privacy-policy
Onsen Tamago
This app encourages focused work sessions by gamifying phone usage. Users engage in a virtual onsen experience that progresses as they stay off their device for set periods. It aims to improve concentration and well-being through mindful breaks.
- Gamified focus timer
- Virtual onsen experience
- Encourages phone-free time
- Promotes well-being
- Progressive onsen growth
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Put your phone away and bath your mind in this Onsen. It takes 25 minutes to enjoy the full health benefit.
Screenshots
Verdict
The clearest difference is price: Onsen Tamago at Free against PrivateSea's $0.99. Onsen Tamago also leads on in-app purchases (none vs 3) and ratings volume (4 vs 1). PrivateSea's advantage is update cadence (weekly vs every 2 months) and device support (4 vs 2). On rating 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
Onsen Tamago is free to download; PrivateSea costs $0.99 up front. PrivateSea sells 3 in-app purchases, starting at $0.99 per month. Onsen Tamago asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for PrivateSea against 5.0 for Onsen Tamago. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
PrivateSea ships an update weekly, Onsen Tamago every 2 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | PrivateSea | Onsen Tamago |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 4 — better |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 42 MB | 229 MB |
| Age rating | 4+ | 4+ |
| Developer | ORealm Technology Limited | Troubadour Game Studio LLC |
Customer experience
PrivateSea
Onsen Tamago
In-app purchases
PrivateSea
- minimum pro$0.991 Month
- standard pro$1.991 Month
- maximum pro$3.991 Month
Onsen Tamago
No in-app purchases
