Flir One

• Free to download
• In-app purchases

Last verified 31 Jul 2026

4.6 7566 ratings · App Store

1. 1/5Poor Photo Permissions

   Dear developer, Please refer to the PhotoKit documentation. As a user, if I grant access to “select photos” your application should still be able to take pictures and write photos to the photos library. You shouldn’t need read access to every photo I’ve ever taken in order to function properly. UPDATE: DO NOT BUY FLIR PRODUCTS. As you’ll see the “developer” commented that I can reach out to support and they appreciated my feedback. That’s just generic customer service jargon and it means nothing. The truth is it’s just another company with outsourced support and they don’t care about the end user. I created a ticket with their support team over a month ago on July 21st, 2023 and provided all the details on how to implement the change to fix the bug. As a developer myself, I know this is a simple bug fix. No one has followed up. I also followed up again on July 29th, 2023 and still have not received a response from their support team. If you spend over $500 dollars on a product it should work out of the box. The lack of correspondence shows this company sells products that they don’t intend to support. I have since shipped back the product and will never buy from them again.

   j182749502 · 31 Jul 2026

2. 3/5Meh.

   Seems like the rating of this app is higher than it ought to be. I looked over all of the reviews and at least 1/3 of them are 1 star with the same complaint, and the same canned response. But it doesn’t sound like any change for the better occurred in 2+ years. That is concerning. Top quality companies stand by even their oldest products. (Mercedes is a good example) Anyhow the app itself does its job as far as being a thermal camera goes for the model of camera I have (FLIR one pro gen3 iOS), but it would be nice if there were some more features. (Time lapse, better integration with laptop software (that doesn’t cost $200 per year), a way to graph or at least export data would be nice). I think for the price that this camera is, more features could be included.

   RyanDJCable · 31 Jul 2026

3. 3/5If only there weren't privacy issues

   Know how sometimes there's something in life that would be absolutely perfect – but one little thing spoils it? I *love* this app, and it works as advertised – it makes it super simple to add thermal imaging to your phone when you have the FLIR ONE. But to save any photos, you have to give *full access* to your photo library. Why? To be frank, I don't really trust any developer to have access to all of my photos – especially when iOS specifically has an option to give add-only access to the library (or pick specific photos to access). Alas, the "Limited Access" option doesn't work with this app. Until that's supported, the option to save any photos from the app is off the table for me.

   justjustinin207 · 31 Jul 2026

4. 1/5Latest version breaks device

   The new version of the app is incompatible with my gen1 device. FLIR’s solution? Turn off auto updates and don’t update the app. Except those who have auto updates enabled will have already received the newer version. Brilliant! They could have released a separate app for their newer devices or a legacy app for their older ones. But no, if I managed to find out about this problem before receiving the update then they think it’s best that I forever manually update all my apps. And not with taking “Update all”. No, I get to tap “Update” next to each of the dozens of app updates I get — and that I should do this on every one of my devices. To add insult to injury, when people complain about this in the reviews, they just respond with a generic “please call tech-support” message — as if that would get us a solution other than the idiotic one they’re forcing on us. FLIR has revealed itself to be both lazy and incompetent.

   Jay Cagey · 31 Jul 2026

5. 2/5Missing Features for FLIR One Gen 3 ?

   I purchased the FLIR One Gen 3 to use with this app after reviewing a digital manual of the device which included very important features for IR Scale and Lock Span. Neither of these features seem to be available for this device when using the app, even though the manual clearly mentions them for the non-pro device. Am I missing something? The device seems great but requires the app to use it and from what I can see, this app is extremely limited in capability, which really downgrades the user experience. Without these critical features, I wouldn’t recommend the product and might suggest look at other brands. Added detail: I reached out to FLIR technical support shortly after the original comment here (4 months ago) and did receive feedback - but was not helpful. I was basically blown off and told IR Scale and Lock Span were no longer available on this device. It would be one thing if the device hardware limited these features, but that is not the case here. This is obviously a deliberate attempt to limit user experience on lower cost units in the hopes to drive more sales on higher priced devices. If you are going to do something like this, do it from the start and don’t remove functionality after it was previously available. That’s pretty low. And please don’t provide a canned response that “you’ll look into it and review” when there is clearly no intention do so.

   Vyrox · 31 Jul 2026

Privacy

Accessibility

No accessibility labels collected yet.