SP7 vs 4Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SP7
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For sharing information you don't want others to see, use "SP7," which prioritizes confidentiality! It also features a user-friendly interface that's easy to operate! [ Usage example ] Web conferencing via chat, electronic applications (approvals), task management, business reports, current location reports, confidential information, administrative communications, file sharing, customer information management, calendar management, private conversations/image sharing, etc. [ User-level permission management ] To ensure adequate support for users acting as service administrators (*) while maintaining a security-conscious design, administrator privileges are restricted based on user level. However, there are no differences in basic service usage based on user level. ※administrator…A user who can create groups for sharing information and add members to the group ・Level0 Unable to become an administrator ・Level1(One-star) Unable to become an administrator / Coins can be transferred. ・Level2(Two-star) Become an administrator ・Level3(Three-star) Become an administrator / It is possible to set an expiration date for encrypted files. [ The reason it can be used safely anytime and anywhere ] ・From sending and receiving terminals to terminals, the data is encrypted end-to-end. ⇒ Even if data is intercepted during transmission, it becomes difficult for a third party to understand its contents. ・All data stored on the cloud service servers is encrypted. ⇒ The service provider and server management company do not possess the security keys, making it difficult to access the content. ・Encryption uses a unique security key system patented in Japan and the United States ⇒ Achieves high level of confidentiality ( Patent number Japan: Patent No. 6404928 、United States: US 10382430 B2) [ In-app feature items ] ・SP7Box ・・・ File storage/sharing ・SP7Chat ・・・ Chat ・SP7Calendar ・・・ Calendar management/sharing ・encryption tool ・・・ Text encryption ・settings ・・・ Various settings such as user information and group management
4Player
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A Simple App for Recording and Saving 4-Player Mahjong Scores. With this app, you can easily record and save your 4-Player Mahjong (Yonma) game results. By pre-registering players, such as "friends," "family," and "online game opponents," along with game rules, you can effortlessly log scores. Recorded results are automatically organized by date, making it easy to find past match results at any time. [Game Result Recording] You can enter "date," "game rules," "players," and "scores" to record match results. Additionally, after entering scores for two players, you can use the "Auto Calculation" button to automatically calculate and fill in the last player's score. [Automatic Organization of Game Results] All recorded game results are automatically categorized and listed by date. This allows you to quickly find and review past match results when needed. [Game Result Aggregation & Score Trend Graph Output] By selecting a "date" and "players," you can aggregate game results and visualize score trends with a graph. This helps in tracking score progression over time. [Player Management] You can centrally manage various players, including "friends," "family," and "online game opponents." Registered players can be easily selected when recording game results. [Game Rule Management] You can manage Mahjong game rules all in one place. Registering rules in advance, such as "regular member rules" or "online game rules," helps prevent input errors and ensures accurate results. [Monthly Subscription Plan] You can unlock all features and remove the limitations of the free version. Number of Game Results You Can Register: 10 → Unlimited Number of Players You Can Register: 4 → Unlimited Number of Game Rules You Can Register: 1 → Unlimited Export Score Trend: Not Available → Available Billing Method The subscription is billed to your App Store account and renews automatically every month. Auto-Renewal Details Unless canceled at least 24 hours before the end of the billing period, the subscription will renew automatically every month. Managing & Canceling Subscription You can check or cancel your subscription from the Settings app on your device. For details, visit Apple Support: https://support.apple.com/118428 Terms Please check the official website of Houkago Motoki Club https://www.houkagomotokiclub.com/activity/app/mj4save/agreement/ios Privacy Policy Please check the official website of Houkago Motoki Club: https://www.houkagomotokiclub.com/activity/app/mj4save/policy
Screenshots
Verdict
The clearest difference is update cadence: SP7 at every 3 weeks against 4Player's every 2 months. On price, ads, 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
Both are free to download. SP7 sells 5 one-off in-app purchases and 4Player sells 1 in-app purchase, starting at $1.00 per month. Whichever you choose, the download price is not the number that matters.
SP7 ships an update every 3 weeks, 4Player every 2 months. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.
| Parameter | SP7 | 4Player |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 37 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Japan Care Net Co.,Ltd. | kouten motoki |
In-app purchases
SP7
- SP7 Coin x 1$1.99
- SP7 Coins x 5$9.99
- SP7 Coins x 10$19.99
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- SP7 Coins x 30$54.99
- SP7 Coins x 50$99.99
4Player
- Full Access to All Features$1.001 Month









