Back to Blog
Comparison

evooia vs RxPhoto: Smartphone Imaging for Aesthetic Clinics Compared

evooia and RxPhoto are the two most direct competitors in smartphone-based clinical before-and-after imaging. The decisive difference is how each one delivers reproducibility.

Mohamed BoucettaMay 19, 2026··6 min read
Share

TL;DR. evooia and RxPhoto are both serious smartphone-based clinical imaging tools for aesthetic medicine, and this is the most direct comparison in this series. The reproducibility philosophy is what differs: RxPhoto guides the user toward matching a previous photo, using on-screen positioning guides, capture sequences, and a ghost overlay of the prior image. evooia guides the user toward a defined capture standard, using SAPHIR™ algorithms that detect facial geometry and align the camera before the shutter fires. RxPhoto, now part of PatientNow, also connects photos to forms, consent, clinical notes, and treatment documentation within its platform. evooia adds iPad support and a patient-side app for guided remote capture between visits. Pick evooia for reproducibility-first workflows built around a documented methodology and remote follow-up capture between visits. Pick RxPhoto if you are already in the PatientNow ecosystem and want imaging tied directly into that record.

evooia and RxPhoto are the two most direct competitors in smartphone-based clinical before-and-after imaging. Both are iOS-first, both target aesthetic medicine, and both sync to a web dashboard. The differences are in how each one solves photo reproducibility and how the workflow integrates with the rest of the clinical record.

evooia vs RxPhoto at a glance

Compare evooia with

vs
RxPhoto

Capture device

iPhone, iPad (front + back camera)
iPhone, iPad

Reproducibility method

Proprietary algorithmic alignment (SAPHIR™)
Positioning guides + ghost-overlay

Remote patient capture (on-demand)

Yes
No

Treatment notes

Yes
Yes

Best for

If you want a mobile imaging workflow focused on reproducible capture and longitudinal documentation.
If you already run on PatientNow in the US.

What is evooia?

evooia is a clinical imaging application from a Swiss-based company in the ETH ecosystem. It runs on both iPhone and iPad, supports both front and back cameras, and implements SAPHIR™ (Swiss Aesthetic Protocol for High-fidelity Imaging Reproducibility), a framework that keeps lighting, distance, angle, and framing consistent on every capture. Image, consent capture, and clinical notes are stored together and sync to a web dashboard. A patient-side app supports guided remote capture between visits using the front camera. Privacy is built for GDPR and Swiss FADP compliance, and designed to support HIPAA-compliant deployments. Subscription pricing, no hardware required.

What is RxPhoto?

RxPhoto is a clinical photography platform for aesthetic practices, now part of PatientNow. It runs on iPhone and iPad and uses on-screen positioning guides, procedure-based capture sequences, and ghost-overlay matching, where the original image is overlaid on-screen while capturing the next photo, to help standardise before-and-after photography. It also connects photos with digital forms, consent, clinical notes, and treatment annotation, and integrates with PatientNow and other US practice-management systems. HIPAA aligned. Subscription pricing in the smartphone-based range.

How are evooia and RxPhoto different?

Reproducibility method

The methodological difference is that RxPhoto guides the operator using on-screen positioning tools, capture sequences, and a visual reference image of the prior photo, while evooia uses SAPHIR™ algorithms to detect facial geometry and guide and align capture automatically, before the shutter fires. RxPhoto states its protocols help providers across locations maintain consistent framing and positioning; SAPHIR™ is designed to reduce operator-dependent variation by guiding capture against the same reproducibility criteria across users and settings. Put simply: RxPhoto reproduces the previous image, evooia reproduces a defined capture standard.

Device coverage

evooia runs on both iPhone and iPad, and supports both front and back cameras. The back camera is used for clinical capture; the front camera is used for guided patient self-capture between visits. RxPhoto runs on iPhone and iPad and offers a patient portal for virtual consultations and progress follow-ups; we did not find evidence of an equivalent guided, standardised patient self-capture workflow in RxPhoto's current public materials.

Workflow integration

evooia bundles consent capture and clinical note-taking into the same record as the image. Each before-and-after pair carries its own legal and clinical context. RxPhoto also connects consent, digital intake forms, and treatment annotation (injection points, treatment areas, notes) to the photo within its own platform, and centralises those alongside related records per patient. Both products keep imaging and documentation together; the difference is which platform is the system of record for the rest of the clinic.

Remote patient capture

evooia includes a patient-side app for guided home capture between in-clinic visits, using the same SAPHIR™ standard applied in the clinic. This matters for slow-acting injectables, laser series, post-op documentation, and any longitudinal documentation programme. RxPhoto's patient portal supports virtual consultations and progress follow-ups; confirm directly with RxPhoto whether that includes guided, standardised self-capture equivalent to evooia's.

Methodological positioning

evooia is built around reproducibility as the explicit design goal, with SAPHIR™ as a named, documented framework guiding the user toward a defined capture standard. RxPhoto's current product is broader than a single feature, combining positioning guides, capture sequences, ghosting, forms, notes, and consent, and it guides the user toward matching the previous photo rather than an independent standard.

When is evooia the right choice?

Multi-location aesthetic groups needing identical reproducibility standards across staff and sites. Clinics building remote, guided patient self-capture programmes. Practices that want capture guided against a documented, algorithmic standard rather than a reference photo.

When is RxPhoto the better choice?

US practices already operating in the PatientNow ecosystem, where staff are trained on RxPhoto's positioning-guide and ghost-overlay workflow, and where keeping photos, consent, and notes inside the PatientNow record is the priority. RxPhoto remains the lowest-friction option in that specific environment.

Related comparisons

This comparison is based on publicly available information and each provider’s own published materials. Features, pricing, and compliance details can change and may contain errors or omissions. Please confirm current specifics directly with each provider.

Frequently asked questions

Can I move existing photos from another tool into evooia?

Yes. evooia supports importing existing before-and-after images from the device or from another tool, and applies SAPHIR™ alignment in post-processing where the source images allow. Switching from a legacy or hardware-based system is straightforward, your historical images come across and new captures are reproducible from the first session.

Is evooia an alternative to RxPhoto?

Yes. Both are serious smartphone-based clinical imaging tools for aesthetic medicine. evooia guides and aligns capture algorithmically through the SAPHIR™ framework. RxPhoto uses on-screen positioning guides, capture sequences, and ghost-overlay matching against the prior photo. evooia adds iPad support and front-camera patient self-capture between visits.

Can patients take their own before-and-after photos with evooia?

Yes. evooia includes a patient-side app for guided home capture using the front camera. The same SAPHIR™ alignment used clinically applies to remote captures. RxPhoto's published materials describe a patient portal supporting virtual consultations and progress follow-ups; we did not find evidence of an equivalent guided, standardised self-capture workflow in RxPhoto's current public materials.

Does evooia work on iPad?

Yes. evooia runs on both iPhone and iPad, and supports both front and back cameras.

What is SAPHIR™ by evooia?

SAPHIR™, Swiss Aesthetic Protocol for High-fidelity Imaging Reproducibility, is the reproducible aesthetic imaging framework underlying evooia. It ensures consistent lighting, distance, angle, and framing on every capture.

Next step

Get patient photo documentation right

evooia gives clinics one standard for capturing, storing, and retrieving patient photos. Built for GDPR and Swiss FADP workflows.

Learn more