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Terms of Service

One Song a Day Kalimba

Effective date: 2026-10-27

Article 1 (Purpose)

These Terms set out the conditions and procedures for using the mobile app One Song a Day Kalimba and related services (the "Service") provided by TERAGAMEZ ("we", "us"), and the rights and obligations of TERAGAMEZ and its users.

Article 2 (Effect and changes)

  1. These Terms apply to everyone who installs and runs the App to use the Service.
  2. We may change these Terms within the limits of applicable law. We will post a notice on this page at least 7 days before a change takes effect (30 days for changes unfavorable to users).
  3. If you do not agree to the changed Terms, you may stop using the Service and request deletion of your data. Continuing to use the Service after the effective date means you accept the change.

Article 3 (Device ID and data)

  1. The Service has no sign-up or login. On first launch, the App creates a random device ID, which serves as your account.
  2. Your points, purchased songs, Premium and score/ranking records are tied to this device ID.
  3. The Service has no account recovery or transfer between devices. If you uninstall the App, change devices or clear the App's data, a new device ID is created and you can no longer use your previous points, purchased songs or records. We are not obliged to recover or transfer them. Premium, however, can be restored as described in Article 6.
  4. Settings, Study progress, recent plays and recordings are stored only on your device and are not backed up by us.

Article 4 (Provision of the Service)

  1. The App is free to download and use, and ads are shown to free users. Some songs and ad removal are available with points or paid products.
  2. Buying songs, rankings, ad rewards and in-app purchases require an internet connection. Without a connection, only some features are available, such as Free Play, Study and songs you already own.
  3. We may change the content of the Service (songs, arrangements, judgment and scoring rules, products, point grant rules, etc.) for operational or technical reasons.
  4. Server features may be temporarily unavailable due to maintenance, equipment failure or network outages.
  5. If we end the Service, we will announce it in the App or on this site at least 30 days in advance.

Article 5 (Points)

  1. Points (P) are a virtual currency used only inside the App. You can get them as a welcome gift (100P), by watching rewarded ads (30P each, up to 3 times a day), or by buying point packs (paid through the App Store or Google Play). Grant rules and prices are shown in the App.
  2. You can use points to buy songs in the SHOP (100P per song). Purchased songs remain available as long as your device ID is kept.
  3. Points cannot be exchanged for cash and cannot be transferred or sold to another device ID or another person.
  4. Points received free of charge (welcome gift and ad rewards) are not refundable, and we may change the amount and frequency of free points.
  5. The Service has no randomized items (loot boxes). Every product is delivered exactly as described.

Article 6 (Premium)

  1. Premium is a one-time, non-consumable purchase that removes all ads and unlocks every song offered in the App.
  2. If Premium is not applied or you have reinstalled the App, tap Restore purchases at the bottom of SHOP → Get points. Restoration works when the App Store or Google Play and our server can verify the original purchase, and you must use the same store account. If it does not restore, please contact Support.

Article 7 (Cancellation and refunds)

  1. Purchased points and products are not refundable except as required by applicable law or the stores' policies.
  2. You may cancel the purchase of a point pack within 7 days of purchase if you have not used any of its points. Once points have been used, even partly, or for digital content whose provision has already begun, such as Premium, which takes effect immediately, cancellation may be restricted under Article 17(2) of the Korean Act on Consumer Protection in Electronic Commerce.
  3. Payments are processed by the App Store and Google Play, so refunds follow each store's procedures and policies (Apple: reportaproblem.apple.com / Google Play: request a refund from your order history).
  4. When a store issues a refund, we may revoke the points or Premium granted for that payment.
  5. If a minor makes a payment without the consent of a legal guardian, the minor or the guardian may cancel it as provided by applicable law.
  6. If purchased points, songs or Premium become unusable through our fault, we will grant them again or issue a refund.

Article 8 (Nicknames and rankings)

  1. Your nickname (default "Player"), scores and rank are shown to other users in song rankings.
  2. Nicknames must not contain: profanity, insults, hate speech or discrimination; sexual or violent expressions; names impersonating another person, TERAGAMEZ or its staff; real names, contact details or other personal information; advertising, promotional text or web addresses; or anything else contrary to law or public order and morals.
  3. We may reset a nickname that does not meet these rules to the default, or hide it from rankings, without prior notice.
  4. Scores obtained by abnormal means may be deleted without prior notice.

Article 9 (Prohibited conduct)

You must not do any of the following. If you do, we may revoke points, songs or records, remove you from rankings, or restrict your use of the Service.

  • Tampering with the App, server or communications, or using automation tools or other abnormal means to obtain scores, points or products
  • Abusing the payment system, such as repeatedly requesting unjustified refunds after purchase
  • Deliberately exploiting bugs or errors (please report any you find to Support)
  • Interfering with the normal operation of the Service or placing excessive load on our servers
  • Reverse-engineering, copying or redistributing the App, or infringing our intellectual property
  • Any other conduct contrary to law or public order and morals

Article 10 (Intellectual property and songs)

  1. Rights to the App's software, design, kalimba sounds, song arrangements and chart (note) data belong to TERAGAMEZ or the rightful owners.
  2. All original songs in the App are public-domain works whose copyright has expired; the arrangements were made by TERAGAMEZ for a 17-key kalimba in C major.
  3. You may freely keep and share files you create with the recorder for personal, non-commercial purposes.

Article 11 (Stopping use and deleting data)

You can stop using the Service at any time by uninstalling the App. To delete data stored on our server (nickname, records, points, owned songs, etc.), contact Support with the device ID shown on the MY tab; see the Privacy Policy for details. Deleted data, points, songs and Premium cannot be recovered.

Article 12 (Limitation of liability)

  1. We are not liable for service interruptions that occur without our intent or negligence, such as natural disasters or outages at carriers, cloud providers, stores or ad providers.
  2. We are not liable for losses resulting from losing your device ID or on-device data for reasons on your side, such as uninstalling the App, losing or replacing your device, or clearing data.
  3. To the extent permitted by law, we are not liable for services provided free of charge, except for damage caused by our intent or gross negligence.

Article 13 (Governing law and disputes)

These Terms are governed by the laws of the Republic of Korea. Disputes regarding the Service will first be discussed through Support; if no agreement is reached, they will be settled by the competent court under the Korean Civil Procedure Act. Where the consumer protection laws of your country of residence provide greater protection, those laws prevail.

Contact

For questions about these Terms, please use the Support page.

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