# Opthy — user reviews > 179 indexed App Store user reviews of Opthy by Luxottica Group SPA, rated 4.50/5 from 2,938 ratings. - Source: https://appshunter.io/ios/app/opthy/id1624663408/reviews - App overview in markdown: https://appshunter.io/ios/app/opthy/id1624663408.md - Rating breakdown: 5★ 2,365 · 4★ 160 · 3★ 91 · 2★ 42 · 1★ 280 ## What do users think of Opthy? Overall sentiment: negative **Pros** - 🚀 Quick and easy - 📐 Accurate measurements - 🤖 Clear instructions **Cons** - 🤔 Inconsistent results - 🤯 Difficult to use - 🕰️ Time-consuming process - 🔍 Lighting issues - 🤖 Unreliable app **Commonly reported bugs** - App crashes or freezes - Face not detected despite proper lighting - Incompatible with certain devices **Most requested features** - Voice guidance for instructions - Progress indicator during measurement - Ability to save and view past measurements ## Newest reviews (19 of 179) ### 2/5 — Does this work with iPhone 17 Pro Max? *2026-09-07, version 1.0.14* Unable to get a ‘lock-on’ from this app when on the ‘place your head in the oval’ screen. Tried various artificial and natural daylight setups and phone mount solutions but no joy. Other apps in the AppStore work just fine and return PD results so don’t think it’s eye colour or iPhone distance/movement configuration issue. ### 1/5 — Trash *2026-05-18, version 1.0.14* Not working at all ### 1/5 — Impossible to use *2026-05-16, version 1.0.14* Impossible to get a scan with the 16-May-2026 version. Calibration is impossible, with *very* slight millimeter-level phone movements being called too close or too far. If you manage to achieve the correct distance, the slightest movement will quickly cancel the scan countdown and send you back into the endless calibration process. It would probably be easier if they allowed you to set your phone down and adjust your head position, but the app currently requires a specific tilt angle, requiring you to hold your phone in your hands. ### 1/5 — Rubbish *2026-05-08, version 1.0.14* Said I was in the perfect spot looked into the dot on screen for minutes waste of time ### 1/5 — Unreliable *2026-05-08, version 1.0.14* Differing results each time used, therefore unreliable. The glasses suppled by glasses direct, who insisted on this app being used, had to be returned for a refund (at least no issue there) as they were unusable. ### 1/5 — Useless. *2026-05-01, version 1.0.14* Just a word of warning. If you have a beard forget it . This will not work. It keeps saying uncover your face. ### 1/5 — Terrible *2026-04-25, version 1.0.14* Terrible ### 1/5 — Really? *2026-04-24, version 1.0.14* Can it be that hard? All I got was place your head in the oval. After 10 minutes of what would be called absolutely fail proof instructions got le no where. Never achieved anything except the same repetitive instructions, I remembered I have innumerable things to do other than argue with an app. Nice try folks. And don’t respond telling me to do those or that… you should’ve programmed ‘this or that’ into the app so that we wouldn’t have to go through this circus. ### 3/5 — May not be accurate *2026-04-11, version 1.0.14* I repeated it 3 times to make sure it was accurate and got 3 different readings. Ended up repeating it about 10 times and went with the measurement I got most often. The measurements varied by about 2.5mm total so hopefully my glasses won't be off after I order them. But would recommend repeating a few times to make sure you get a reliable number. ### 1/5 — Don’t waste your time *2026-04-10, version 1.0.14* I would give this negative stars if I could. Why even have an app that doesn’t work at all. I spent a total of 15 minutes at 3 different times, jumping through hoops about tilting and raising my phone, being too close or far away, and putting my head in the oval, just for nothing to happen. It’s an absolute joke ### 1/5 — Does not work *2026-04-10, version 1.0.14* This app doesn’t work ### 1/5 — Poor *2026-03-29, version 1.0.14* Can’t wear glasses and therefore you can’t read the instructions- no voice commands. Also says too dark when stood in a conservatory in day light. ### 1/5 — Won't advance *2026-03-25, version 1.0.14* Got yo place your head in the oval repeatedly with no result just like others ### 1/5 — Useless *2026-03-06, version 1.0.14* Tried on 2 different phones, always place your face in the oval or too far… ### 2/5 — On screen prompts *2026-02-22, version 1.0.14* Can’t read the prompts telling me to tilt phone or anything only verbal were it’s too far/close had to put on glasses to read then take them off again change my angle while balancing a card on forehead holding the phone in two hands? I needed 3 hands to do this as gravity is a thing. ### 1/5 — Don’t actually do anything *2026-02-11, version 1.0.14* All it was tell me to keep my face in the oval. But how? There was a red circle and white circle. I tried to keep them aligned, but it didn’t do anything. And if I moved even slightly, it would keep telling me to keep my face in the oval. This was a frustrating app to use and didn’t give me any results a complete waste of time. ### 1/5 — Waste of time *2026-02-06, version 1.0.14* 10 minutes spent following directions with nothing happening and no indication what, if any, progress was being made. ### 1/5 — What is the point? *2026-02-03, version 1.0.14* This did nothing other than tell me it was either too far or too close or “put your head in the oval” what a waste of time ### 3/5 — Needs Improvement *2026-01-28, version 1.0.14* Consider yourself “fortunate” if you’re able to get the app to work correctly in less than 5 attempts. 😒 The two times I was finally able to get it to work, it gave me two different distances… 69 & 70.5 ## Most critical reviews (10 lowest-rated) ### 1/5 — Impossible *2026-08-26, version 1.0.14* Using an iPhone 16 pro max you can’t possibly calibrate it. Doesn’t work at all ### 1/5 — Trash *2026-08-15, version 1.0.14* Does not work. Waste of time. ### 1/5 — Waste 15 mins just trying to align my eyes *2026-07-30, version 1.0.14* I’m wearing prescription glasses and I can’t see clearly without my glasses. The apps require impossible perfect alignment to measure the pd value, but I am not able to do that without my glasses. Very frustrated. I will just use a mirror and ruler I guess. ### 1/5 — Does not complete *2026-07-10, version 1.0.14* I had it in the oval but does not complete the measurement at all ### 1/5 — Not helpful *2026-07-07, version 1.0.14* Move your into the oval, you’re too far, you’re too close. My arms were aching after holding steady for so long and it still didn’t give a reading ### 1/5 — Have time to use it *2026-07-07, version 1.0.14* The scan takes way too long. I don’t have enough patience to put up with it. ### 1/5 — Terrible *2026-07-06, version 1.0.14* As many have said it just keeps asking you to put your head in the oval, no matter how much you try your head will never be in the oval. ### 1/5 — What a crack of 5hit *2026-06-07, version 1.0.14* I’m an FBSO. Took 30mins to get this to produce a result and not accurate to known clinical result. ### 1/5 — Awful *2026-05-31, version 1.0.14* Never measures. Just says put your head in the oval and when it is in the oval says you’re too far away. ### 1/5 — Does not work. *2026-05-30, version 1.0.14* Did anyone test this app? ## Most praised reviews (10 highest-rated) ### 5/5 — Brilliant *2026-03-08, version 1.0.14* At first I was a bit sceptical and suffered from the get closer aspect, but after deciding to steady my phone by resting it on the back of a chair it worked perfectly. Good app and I retried 3 or 4 times to make sure I was consistent and it was, so well done and thanks for a really useful app ### 5/5 — VERY EASY APP *2026-01-06, version 1.0.14* Very easy app ### 5/5 — Medir *2025-12-22, version 1.0.14* Excelente application ### 5/5 — Useful tool *2025-11-17, version 1.0.14* I used it according to the voice directing my movements ### 5/5 — Seniors *2025-09-11, version 1.0.14* Thank you for such a user friendly app! ### 5/5 — I simply love this app *2025-06-18, version 1.0.14* This app makes it so easy to measure your PD. I have tried myself, yet without wearing glasses, it difficult to accurately place and read the ruler. With this app, it was easy, breezy, lemon, squeezy. Try it and you will see just how easy it is to get your PD. ### 5/5 — Easy to Use and Straightforward! *2025-03-19, version 1.0.14* It’s quick and and gives verbal instructions for those that use glasses. Sensitive to shaky hands, so I’d suggest propping your phone as straight as straight to the center of your face as possible (no angle up or down) and measuring yourself that way if you move too much for the hand holding. ### 5/5 — Easy to use *2024-11-19, version 1.0.14* Quick and easy with detailed instructions. ### 5/5 — Amazing! *2024-08-28* This app is absolutely amazing! I was trying to order glasses online, but my prescription did not have my PD listed. After brief research, I came across this app, and when I tell you I had my results in less than 1 minute! I would highly recommend to anyone looking for a quick and easy way to find their PD. Thanks OPTHY! ### 5/5 — Love it *2024-04-10, version 1.0.12* Very fast and easy! --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-15.*