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An Introduction to the iStayHealth App

iStayHealthy ScreenshotI hope that my iStayHealthy app for people with HIV is straight-forward and relatively self explanatory. However, here a quick summary in case you wonder how to use it - and the results you may get back.

  • Chart tab: click on either CD4 to see your CD4 results. Click on Viral get the chart for your Viral Load results. Rotate your device to get both CD4 count and Viral Load together. Click the 'i' button to get a brief explanation of what CD4 counts and Viral Load results mean.
  • Results tab: shows each individual result with the most recent first and the earliest last. Click the '+' sign to add a result and result date.
  • HIV Drugs tab: lists your current HIV medication. Click the '+' sign to add a new medication. When adding medication a picker will give you a choice of currently licensed medication. If you have medication not listed there (for instance HIV medication on trial) you may want to type the name in the field 'Drug Name'.
  • Alerts tab: shows the list of your current alerts. Click the '+' button to add an alert. You can select the repeats, alert label, and select from a list of sounds.
  • Other Meds tab: I added this to allow HIV patients add any other non-HIV related medication.
Some tips
  1. All but the Charts tab have an 'Edit' button that allows you to delete individual results, drugs, alerts. This is only meant in case you accidentally entered the wrong dates/data. Otherwise I would not recommend deleting drugs or results. iStayHealthy shows the progression of HIV with and without treatment. Say you will have to change your medication. The charts will show each time you add new HIV medication. This will help you monitor how effective the drugs are in terms of CD4 count and viral loads.
  2. Undetectable: when adding a CD4/viral load result you have the option of selecting 'undetectable'. iStayHealthy will then show a text 'undetectable' instead of the actual viral load value. In the Viral Load chart - the viral load value will drop down to the x-axis. This might indicate a value of 0. However, it is important you realise that 'undetectable' does NOT mean HIV is no longer in your body. Rather it means your HIV level is significantly suppressed - so much so that your immune system has a chance to recover.
  3. The Viral Load markers in the charts follow a logarithmic scale. This means instead of 1000 you will see 10^3. Instead of 1000000 you will see 10^6. only values showing 10 and 100 are shown as their natural integer values.
  4. adding alerts: if you want to change the times/label/sound click on the listed alerts and change the settings. Example: you choose an alert to be repeated 2x per day. iStayHealthy will then fire the alert exactly every 12 hours. If you want to change that edit each of the 2 alerts and change the time.
Sound files:
I have used the SMS default alert sound provided with iOS. In addition to that I included a small set of alternative sound files, which I purchased from iTunes (ringtones).

iPhone/iPad users click here for more information.
Android users click here for more information.

For support with the app please click here.

Click here to download the iStayHealth app.


Show Comment(s)

Comments on iStayHealthy's blog entry "An Introduction to the iStayHealth App"

Windows 7 phone app please, the whole work doesn't revolve around Apple Thanks


I have been using the iStayHealthy app for a while now. It is easy to use, I like that. However, are there any plans to make it more secure. I am concerned that with the use of iCloud etc, that the data in my app is not secure as I cannot determine where the data will be stored.

Can you give me some development information in this respect please?


Hi Anthony
first of all my apologies for the late reply.
You are absolutely right, that data security is paramount. First, let's deal with data security on the iPhone/iPad itself. Data stored in iStayHealthy (or any other app) can only be accessed by the app itself. To avoid prying eyes from looking into your data you can do one of 2 things: a.) you can passcode protect the app itself. In the 'Chart' Section click on the 'Action' button in the top left corner and select the Password option. b.) passcode lock your phone.

As for iCloud backups - I haven't yet enabled that on iStayHealthy. The backup/restore mechanism for iStayHealthy at the moment is through Dropbox. But iCloud backup/restore will definitely be on the menu for one of the next versions of iStayHealthy on the iPhone.

Hi, I like the app. The alarm/reminder feature is kind of basic. I use the app 'Alarmed' since it has a pre time alert and a 'nag' feature that continues to go off until i confirm completed. Any plans to enhance the alarm/reminder feature?

Hi Jeff
many thanks and thanks for using iStayHealthy. There have been plenty of discussions with users of iStayHealthy with re to Alert settings. Part of the users want a "nag" feature, others wouldn't want to see it in the app.
The most interesting suggestion I have seen is the concept of a "Seinfeld" calendar, that incentivises med taking in addition to alerts.
To answer your question, I am thinking about introducing a 'nag' option. I would need to think about implementing a Seinfeld calendar - so that won't be in the next version.

Another feature I am working on is to allow for alerts to be configurable so they can be set e.g. every 2 or 3 days.
I hope this helps. All the best

I just downloaded the app I thought it would be a useful tool to help me monitor my progress. But how do you enter your VL? It only has a switch to turn the reading on or mark it as undetectable. Well I'm not. I don't know if it's a bug in the APP, but there is no Support to voice concerns or ask for help.

Hi Robbie
Viral Load values can be added (and edited).
You already found the switch to turn off/on the 'undetectable status.
Just above that is a space/text field where it says "Value" (in light grey) by default.
Tap on that space and a keyboard pops up that enables you to enter your result.

Essentially, entering the value is the same as you do for CD4 and CD4%.
I hope this helps. If you have any further questions, get in touch with me directly.
All the best and thanks for using the app.


In The Netherlands a VL <20 is known as 'undetectable'. When I ad my VL (34) the result automatically jumps to 'undetectable'. Is it not possible to ad VL's less then 40?

Hi there.
Another user came back to me recently with a similar comment (although not from the Netherlands). At the moment iStayHealthy has a threshold of 40 for "undetectable" viral loads. This is because at the time tests would report results of 50 and above for "undetectable" results. So - 40 seemed to be a good lower limit.
However, since then tests changed and/or improved. I am currently finishing the new iPhone version of iStayHealthy, where this problem should be fixed.

I am a life coach/CASAC, I have introduce istayhealthy app to many participants. Responses from people is this is a great App, except for one thing, there is no calendar where they can to put in upcoming medical appoints or alerts. Is there any way to add this as an update to the app?

Hi there, many thanks for helping to promote iStayHealthy. And it's great to hear people find it useful.
It's a good suggestion to add an appointment calendar to the app. And I can plan this in for the next release.

All the best Peter

Thank You for all your hard work. Caleb

Just download this app! Look forward using it!!

Excellent app! It helps a lot keeping track with all the meds and important info from the doctor! Thanks for helping us with your great idea.

Call me paranoid, but regardless of where the data is stored/sync'd I really don't care to have it registered in the Play Store that I have it installed - that is more disclosure than I care to have in unknown hands. Having enough issues getting work to provide me with ADA reasonable accommodations without having to disclose, don't care for Google to know.

Yes that would be good to have a reminder. I have a question. I have no energy, I take one day vitamins. Do you have any suggestions? I clean my house best I can. I do my own cooking, driving, but just have no energy.

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About this Entry

This page contains a single entry by Peter Schmidt published on December 23, 2011 10:10 AM.

Release Candidate for v3 of iStayHealthy/iPhone is the next entry in this blog.

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