Concentration Sushi vs Corporate Slave Solitaire
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Concentration Sushi
Enhance your focus with this memory-based game. Test your recall by matching sushi cards with varying storage times across multiple difficulty levels. Compete with friends via Game Center.
- Memory card matching
- Multiple game modes
- Adjustable card storage times
- Game Center integration
- Infinite mode
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*****Sushi apps series 'Total 1 million DL accomplished!'***** Concentration app. Cards that are used in applications, 'Handy Menu Sushi' You push the button and talk. Game Mode "friendly," "normally," "difficulty" "infinitely" and has been prepared. In each level, one card storage time varies. Friendly: 5 seconds Normal: 3 seconds Difficulty: 1 second infinitely: 5 seconds (mode in which the game is over when you make a mistake). Support: -Game Center. -twitter.(iOS5)
Corporate Slave Solitaire
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Corporate Slave Solitaire is a Klondike solitaire card game set in a Japanese black company (overwork culture). Use 13 ranks of corporate position cards — from Intern to CEO — to complete 4 departments (Sales, Development, HR, Accounting). [Features] - Dark and humorous corporate slave theme - Classic Klondike solitaire rules - Intuitive drag & drop controls - Track overtime points as your score - Time and move count tracking [How to Play] Drag cards to arrange them in alternating colors and descending order on the tableau. Stack cards of the same department in ascending order on the foundation to get promoted! Complete all 4 departments to become the CEO! [Ranks] Intern → New Hire → Lead → Supervisor → Deputy Manager → Manager → Senior Manager → Director → Executive Director → Officer → Managing Director → Senior Managing Director → CEO Enjoy the overtime!
Screenshots
Verdict
The clearest difference is update cadence: Corporate Slave Solitaire at weekly against Concentration Sushi's every 3 months. Concentration Sushi's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Concentration Sushi ships an update every 3 months, Corporate Slave Solitaire weekly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | Concentration Sushi | Corporate Slave Solitaire |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 95.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 132 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Qualia Systems Inc. | LFT Inc. |
In-app purchases
Concentration Sushi
No in-app purchases
Corporate Slave Solitaire
No in-app purchases
Questions
Is Concentration Sushi free?
Is Corporate Slave Solitaire free?
Do Concentration Sushi or Corporate Slave Solitaire have ads?
Which is updated more often, Concentration Sushi or Corporate Slave Solitaire?
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