What is the best alternative to SkinIO on iPhone?

Skin-Check: Dermatology Care, S tier, #1 in skin diagnosis.

Is there a free alternative to SkinIO?

Yes: Skin-Check: Dermatology Care (S tier, #1) is free, with no in-app purchases.

Yes. 2 apps rank above it in skin diagnosis: Skin-Check: Dermatology Care (#1), Aysa (#2).

SkinIO is B tier, #3 of the 6 tiered apps in skin diagnosis. Here is everything that competes with it on iPhone, in tier order.

1
Skin-Check: Dermatology CareShigher tier
Free download · ★ 4.5 · 943 ratings · score 90
Free medical app described as increasing access to dermatological care, skin cancer detection, and skin health.
2
AysaShigher tier
Free download · ★ 4.5 · 580 ratings · score 89
Free app that uses your phone camera to screen skin symptoms and offers information to prepare for a practitioner visit.
4
Miiskin: Rx Dermatology VisitsB
Free + IAP · ★ 4.3 · 3,951 ratings · score 74
Connects you with board-certified online dermatologists in your state for prescription skin and hair care.
5
AI Skin Scanner - SkinGuruB
Free + IAP · ★ 4.0 · 1,037 ratings · score 73
AI app that scans skin photos for condition info, birthmark tracking, product label analysis and skincare suggestions.
6
Rash ID: Skin Rash IdentifierD
Free + IAP · ★ 4.7 · 301 ratings · score 56
Medical app that uses AI to analyze a photo of a skin spot plus described symptoms to help identify possible skin.

What is the best alternative to SkinIO on iPhone?: Skin-Check: Dermatology Care, S tier, #1 in skin diagnosis.
Is there a free alternative to SkinIO?: Yes: Skin-Check: Dermatology Care (S tier, #1) is free, with no in-app purchases.
Does anything rank above SkinIO?: Yes. 2 apps rank above it in skin diagnosis: Skin-Check: Dermatology Care (#1), Aysa (#2).