Ada
Ada is a well-regarded symptom checker that many users find accurate and helpful for understanding potential health issues, but recent updates have introduced significant usability issues and concerns about data privacy and diagnostic limitations.
Ada is a health assessment app that helps users understand their symptoms and decide if they should see a doctor. While many users praise its accuracy and ability to provide peace of mind, recent updates have caused technical glitches, made the interface harder to use, and raised concerns about data privacy and diagnostic depth.
What users like
- Often provides accurate assessments and helps identify potential health issues.R3R6R9R11
- Helps users decide when to seek medical attention and provides peace of mind.R7R8R12R23
- Useful for tracking symptoms and health history over time.R6R14R38R47
- Asks thorough and methodical questions, leading to a well-rounded picture of symptoms.R25R29R41R46
What users complain about
- Many users report critical technical issues, including inability to log in, create profiles, or the app crashing.R2R19R110R122
- Input methods are limited, often requiring text-based symptom descriptions instead of selectable lists, and sometimes failing to register input.R1R15R19R56
- Does not adequately account for pre-existing conditions, medications, or gender identity, leading to irrelevant questions or inaccurate assessments.R10R20R21R65
- Recent updates have negatively impacted usability, making the app harder to navigate and removing previously helpful features like symptom tracking.R254R252R501R502
- Concerns about data privacy, specifically the sharing of health data with third parties without explicit consent.R461
- Some users find the diagnoses too general, not actionable, or occasionally inaccurate, sometimes giving too many alternatives.R5R74R112R118
- Lack of iPad optimization, resulting in tiny text and graphics on larger screens.R18R92R618
Latest update · v4.4.3
What the developer says changed (the verdict above weighs this against what reviewers report):
Changes to your Ada app We’ve made a few updates to improve your experience and continue providing you with the best possible health assessment experience. What’s new: Your assessment history is back. You can now access your previous health assessments directly in the app. Romanian and Swahili are supported in the app again. You can now use the app in English, German, French, Spanish, Portuguese, Romanian or Swahili. Questions or feedback? We’d love to hear from you. Contact us at [email protected].
Recurring themes
Who it's for
Ada is for individuals who want an initial understanding of their symptoms and guidance on whether to seek professional medical advice R12R23. It is particularly helpful for those who experience health anxiety and want to avoid the fear-mongering often found in general online searches R7. It is not for users with complex chronic illnesses or rare diseases that require detailed historical context R10R132, or for anyone expecting a definitive diagnosis or actionable medical recommendations R112.
Evidence note: The recent reviews skew heavily negative, particularly regarding technical issues and usability changes. This contrasts sharply with the high lifetime rating. The developer's notes claim improvements, but recent user feedback indicates a decline in app functionality and user experience.
Frequently asked
Is Ada a reliable diagnostic tool?
Are there issues with Ada's recent updates?
Does Ada consider pre-existing conditions or gender identity?
Does Ada share user health data?
What reviewers actually said
Built only from these 120 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.
- [R3] La mejor aplicación: Excelente para tener una idea de lo que le puede estar pasando a uno
- [R6] Great app: Has always genuinely helped me identify what’s going on with me so that I can share with my doctor. It’s a wonderful way to keep track of what’s going on and have reference for past occurrences. I definitely praise the creator(s). Used it for years and will undoubtedly continue to.
- [R9] Helpful!: Always VERY accurate for what I’ve put in, even a deviated septum which I ended up having
- [R11] Seems accurate: Most of the time it’s accurate.
- [R7] Game changer for worrier: I love this app for its ability to help me know how much to worry about symptoms and those around me. The statistics are really meaningful as it says how likely things are instead of a online search saying something without context. I know it’s not perfect but it has helped significantly in my understanding of my symptoms and health.
- [R8] Awesome App: I love this app. It puts my mind at ease.
- [R12] Keeps you informed: I love this app because it helps me decide when I should go to the doctor. I understand it’s no substitute for medical attention, but it definitely helps hypochondriacs like myself make better decisions.
- [R23] Ada has always helped!: As in most cases, it has led to getting better, either by waiting it out, calmly, or by getting to a Doctor sooner than later. Ada opinions matter! Questions are almost always thought provoking, leading to an accurate decision (my “should I stay or should I go!)!
- [R14] Excellent for diagnosis and tracking: I have a few ailments so tracking them can be hard sometimes and I forget when things started and how they progressed. This helps a lot with that and has been spot on for my diagnosis’s thus far.
- [R38] Super helpful, big fan, recommend to everyone: I’ve been using this app for several years, it has been absolutely vital for tracking various ongoing health things I’ve wanted to track, it’s been really nice having a super easy interface to make personal health notes I need. This app doesn’t fear monger like looking up your symptoms on some search engine, it always recommends going to seek official
- [R47] Great Features and pretty accurate: The first time I use this, I didn’t think it was very accurate and I wasn’t very impressed but the more I use it and the more accurate it has been. I am going to utilize it more by putting in more health information and tracking my health more. I have profiles set up for all my family members as well. It also has risk assessment tools and offers articles that ar
- [R25] Set my mind at ease: Running my son’s symptoms through Ada kind of as a second opinion set my mind at ease that the doctors were on the right track with my son. The questions were clear and understandable and stayed in the general area of his symptoms. I will definitely be using a day again. Anytime mini clarification of symptoms and will recommend it to all of my friends and family.
- [R29] Asks good questions: Has a solid base of options to choose from. Learned something new today.
- [R41] Comforting in the validation: Sometimes it is nice just to answer questions about how I’m feeling over things like an upset stomach, a headache, etc. This app is great in that the questions are methodical and the results aren’t sensational (it hasn’t told me I have brain tumors yet for my likely-migraine headaches!) I feel validated in my symptoms and it gives some advice and context to what I mig
- [R46] Small changes to my health I was just over looking.: I was only listing my concerns. But Ada help me to realize even suttle changes are also symptoms and give a well rounded picture of my health assessment for a better diagnostic. Now I aware I should see my doctor.
- [R2] I like the app but...: The app is really good! I have used it before for many illnesses i have had. But for some reason I try to use it again and it tells me to allow tracking which is fine but it won't let me enable it? Let alone does it have the option to allow me to manually enable it in the settings. I cannot use the app without the tracking.
- [R19] Keyboard doesn’t work on the app: I can’t type in anything.
- [R110] Who is able to yse this?: I never got past the screen asking for my date of birth because there is nowhere to type it in. Are all these reviewers using Android phones? Not working on my apple IOS.
- [R122] Can’t get to work: Can’t get past the Add profile point. Have redownloaded and made new logins, restarted phone, etc. Unfortunately glitched, unuseable
- [R1] Idk: I hate writing the paragraph of symptoms. I wish there was an option to look at the list and select your symptoms still. The writing and way it presents is giving gen AI and that really sucks if that’s the case
- [R15] Limited: Very limited input. Not specific enough. Symptoms should be prompted not text based. Same with meds.
- [R56] Itching in umbilical area of abdomen: Symptom never got response.
- [R10] Ok: This app is fine for basic things, but not for those who have chronic illnesses. I would really like to put in my previous diagnoses and have that reflected in the questions, especially because my illnesses sometimes feel like I'm getting a cold. Also, questions like "one day to one week" should be narrowed down more. Another request I have is the option to turn off all pregnancy related quest
- [R20] Transgender woman speaking!!!: I am a transgender woman and I have been on hormones for about two years now. I trust this app with my symptoms and I feel like the feedback does give a good general picture about what symptoms can look like. One glaring issue, especially for me, is that there is no option to add gender identity or even have it register that I take hormones and even testosterone bloc
- [R21] Helpful: I really enjoy using this app… I find it very helpful for getting information on basic medical issues, but you have to remember it cannot do a medical diagnosis.It has definitely help me uncover things to discuss at doctor appointments. The app is limited. Ann does not allow you to notate what diseases you are suffering from or ailments you are suffering from because of other diseases…
- [R65] I am not pregnant: The first thing it asks me every single time is if I’m pregnant. I am infertile, thank you for the reminder.
- [R254] New Update: Prior to the update I found this app quite helpful. The new update has made it difficult to use, harder to navigate and information harder to find :(
- [R252] Removed helpful features: Ada was great, but they’ve now rebranded and removed the ability to track symptoms, etc. and are now purely a put symptoms in, get diagnosis out app. They’ve also changed the interface and it somehow feels less friendly, though that’s obviously less important.
- [R501] AWFUL: Absolutely no shot you guys suddenly withdrew the ability to see long term records without warning and now direct to access an email that has not been replied to. That’s genuinely useful and longitudinal health information that could be used to diagnose a health condition that could even be life threatening, now completely gone. I literally have been having episodes of vomiting and being un
- [R502] Disappointing latest updates: I was so disappointed to see how the algorithm has changed since the last time I used it. It used to ask related questions and focus on the main complaint. Now it goes all over the place, comes to wild conclusions and even gathered false info in the symptoms listed in the report. Truly upsetting to see the downgrade.
- [R461] Ada sends your health data to third parties: Avoid!!! While the app itself is great, it shares your health data with Third parties like Amplitude who then are able to build user profiles, all without telling users or asking for consent! This is a clear violation of GDPR! After this was uncovered by the German magazine c’t Ada GmbH promised to make changes but it turns out they still transfer healt
- [R5] Worthless: Completely worthless!! On the intake portion I put in my condition with symptoms and it could find what my diagnosis is. It gave me 3 random guess. This thing SUCKS!!! Waist of time!!!
- [R74] HORRIBLE: They say that I have epilepsy I DONT BELIEVE IT!!!!!!! This is very wrong EXPECT A LETTER FROM THE DOCTOR SAYING I DONT HAVE EPILEPSY‼️‼️‼️‼️‼️‼️‼️‼️‼️😡😡😡😡😡😡😡😡😡😡🤬🤬🤬🤬🤬🤬🤬🤬
- [R112] Not really actionable: Better than WebMD, but it doesn’t make actionable recommendations or referrals to people who can help you.
- [R118] Made me think I had to go to the hospital: I got this app because there was a long wait for the online doctor. I answered a few questions, and then it said I might have diseases that require going to the emergency room. I did the online doctor, knowing online things are likely to make you more worried than usual. Turns out I just have a stomach bug.
- [R18] 13” iPad Pro Support: I really wish this great app could be used as full screen on an iPad Pro 13” screen.
- [R92] FAIL NO iPAD VERSION: Fail. No iPAD version, which means one is stuck to using a phone device, with its tiny screen. Also, absent an iPad version, one is wedded to the portrait view, which when used on a tablet device occupies about 1/4 of the screen. In other words, tiny text and graphics. If the developer wishes to offer a useful medical tool CREATE AN iPAD VERSION, which should be an eminent
- [R618] iPhone X Support?: Very good app but where’s the IPhone X Support?
- [R132] Very bad setup for medical help: One very glaring issue right away is you can’t select pre-existing conditions (it only asks if you’re a smoker or have diabetes and it only asked if I was pregnant AFTER starting the assessment [and this was even after setting it to no MYSELF already!]) I am diagnosed epileptic; I have been since I was 14, and pre-existing conditions and the medications for them ca
Synthesized from 120 recent App Store reviews · updated July 2026 · View on the App Store