Free Menstrual Calendar

Period Tracker and Ovulation Calculator

Terms Of service

Menstrual Calendar FMC

IMPORTANT LIMITATIONS: This calendar uses only approximate predictions and cannot be used to schedule procedures, avoid pregnancy or any purpose where more accuracy would be required. It is intended for educational use only. Use at your own risk. Please consult your health care provider for any health concern.

In the following "The Software" means the application you are running or any web resources connected to it.

This Agreement is your entire agreement with Tamtris Web Services Inc. and governs your use of The Software. By using The Software, you indicate your acceptance of the following license agreement. If you do not agree to the terms of this agreement, promptly stop using The Software.

You may not sub-license, or charge others to use or access The Software.

Tamtris Web Services Inc. and accept no responsibility for the information or advice posted in any part of The Software.

All content displayed by The Software is copyrighted material (including the images, text and graphics). You may use the content for the specific usage provided by the service. You may not re-use any part of the content for any other purpose without explicit written consent from Tamtris Web Services Inc. You may not modify any of the content for re-use. In particular you may not remove any watermark, copyright statement, site name or site address from any content or graphics provided by The Software.

Tamtris Web Services Inc. reserves the right to discontinue all or part of The Software with or without notice at any time.

Tamtris Web Services Inc. does not provide any warranty with regards to the data stored on The Software for any purpose. If this data is important to you, make sure to backup your data and print any content that you may need.

Any answer or information given by this service does not constitute medical practice or advice, nor is it intended to replace the necessity of consultation with a physician. Always consult your personal physician for definitive answers to your medical questions. You agree that we will incur no legal or moral liabilities to you or anyone else for your use of The Software. The Software cannot be used for scheduling or planning medical procedures, medication, or supplements usage. Always consult your health care provider before taking such decisions.

The information contained in The Software is provided for information and educational purposes only. This material is not intended as a substitute for consulting a physician or other health care professionals. Individual circumstances may vary and some information may not be applicable and/or may have become outdated as result of recent developments. Tamtris Web Services Inc. and and accept no responsibility for reliance on the information set out in The Software. Reasonable effort has been made to ensure the accuracy of data and calculations but we accept no responsibility for reliance on this data or calculations.


Privacy is an important concern at Tamtris Web Services Inc.. The Software does not collect or require any identifying information (email, name, address...) for its use. This App is mostly an offline App and only requires an Internet connection to provide the optional tips or sync with Fertility Friend.

Your period/fertility tracking data is stored on the device and is not transferred to Tamtris Web Services Inc. servers unless you decide to sync with a Fertility Friend account.

There is no automatic sync of any kind. In general Tamtris Web Services Inc does not have your data. You need to explicitely sync your data each time you wish to transfer it to your Fertility Friend account.

If you do not regularly sync your data with Fertility Friend for backup please make sure to use Apple's iTunes full backup feature as provided by Apple for your phone to preserve your data.

Tamtris Web Services Inc. does not know your passcode and cannot provide it back to you.

If you decide to sync with a Fertility Friend account for backup or more advanced analysis please refer to Fertility Friend privacy policy.

Tamtris Web Services Inc. collects certain usage information (web usage, data submitted by the users, cookies, server logs...) for the purpose of operating and maintaining the service. The log files are kept for 90 days and permanently deleted after that. Note that this App does not use third party marketing or analytics services except the basic data provided by Apple.

We keep all correspondence related to customer support and service. These emails are used for historical purposes to give context to requests and help resolve issues.

Applicable Laws

This agreement shall be governed by and construed according to the laws of the Province of Ontario, Canada.

If any part of this Agreement is held invalid or unenforceable, that portion shall be construed in a manner consistent with applicable law to reflect, as nearly as possible, the original intentions of the parties, and the remaining portions shall remain in full force and effect.


You agree to defend, indemnify and hold harmless Tamtris Web Services Inc. and its directors, officers, agents and employees from all liabilities, claims and expenses, including legal fees, which arise from a breach of this Agreement for which you are responsible or by your use of The Software.

To the maximum extent permitted by applicable law, Tamtris Web Services Inc. and its directors, officers, agents and employees disclaim all warranties, either express or implied including but not limited to implied warranties of merchantability, fitness for a particular purpose and non infringement. Tamtris Web Services Inc. and its directors, officers, agents and employees shall not be liable for any damages whatsoever, including direct, indirect, lost profits or information, business interruption, or other pecuniary loss, even if they or anyone of them have been advised of the possibility of such damage or loss.

Termination and Cancellation

Either you or Tamtris Web Services Inc. may terminate or cancel your access at any time, with or without cause. You understand and agree that stopping your usage of The Software is your sole right and remedy with respect to any dispute with Tamtris Web Services Inc.. This includes, but is not limited to, any dispute related to, or arising out of: (1) any term of this Agreement; (2) Tamtris Web Services Inc. enforcement or application of this Agreement; (3) the content available within The Software; (4) your ability to access and/or use The Software including the revocation of your access.


All updates to this agreement will be distributed as an update to the Software, check for details.

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Terms Of Service & Privacy Policy