Last Updated: July 2026
Which App Should You Use to Track Acne?
If you want objective photo comparisons and AI severity scoring, Miiskin is the strongest all-around option. If you want an app that pairs tracking with a personalized treatment kit, MDacne combines AI photo analysis with prescription-strength ingredients delivered monthly. If you just want a free, simple photo diary without subscriptions, SkinTheory covers the basics. None of these apps diagnose acne or replace a dermatologist, and persistent, painful, or scarring acne is worth an in-person or telehealth evaluation rather than app tracking alone.
Top Picks
| Category | Recommendation |
|---|---|
| Best Overall | Miiskin |
| Best Budget Option | SkinTheory |
| Best for AI Analysis + Treatment | MDacne |
| Best for Deciding If You Need a Dermatologist | Momentary |
Why People Look for Acne Tracking Apps
Acne responds slowly to treatment. Most topical and oral treatments take 4 to 12 weeks to show visible change, according to the American Academy of Dermatology. Day-to-day, skin can look the same or worse even when a treatment is working underneath the surface.
A tracking app solves a specific problem: it removes the guesswork. Instead of relying on memory or a mirror, you get a dated photo record, a consistent capture angle, and in some apps, a numerical severity score you can compare week over week. That record is also useful to bring to a dermatology appointment, since it shows a trend rather than a single snapshot.
People typically look for these apps when they:
- Started a new treatment and want proof it's working (or not)
- Want to identify triggers like diet, stress, or specific skincare products
- Are preparing for a dermatologist visit and want a visual history to share
- Want an objective severity score instead of guessing in the mirror
Comparison Table
| App | Best For | Pricing | Photo/AI Tracking | Availability |
|---|---|---|---|---|
| Miiskin | Face and body tracking, teledermatology | Free tier; Premium subscription; consultations from $59 | Yes, guided photo capture, side-by-side comparison | iOS, Android, US and international |
| MDacne | AI severity scoring plus custom treatment kit | Plans commonly range from about $29.95 to $59.95/month; free skin assessment | Yes, AI photo analysis and selfie tracker | iOS, Android, US |
| SkinTheory | Simple photo and note diary | Free | Yes, manual photo log and comparison | iOS, Android |
| Momentary | Deciding whether acne needs medical attention | $19.99/month | No (navigation, not photo tracking) | Nationwide (US); physician services in California only |
Pricing and features change frequently. Confirm current details on each company's official site before subscribing.
Ranked Recommendations
1. Miiskin
Why it's included: Miiskin is one of the most established skin-photo-tracking platforms, with a dedicated face tracking feature built for monitoring acne and skincare routines over time, alongside its longer-running mole and body tracking tools.
Best for: People who want a consistent, guided way to photograph their face and compare results over weeks or months, and who may also want the option of a paid dermatology consultation.
Strengths:
- Guided photo capture designed for consistent angle and lighting
- Side-by-side comparison view
- Option to request a paid consultation with a board-certified dermatologist inside the same app
- Long track record and endorsements from dermatology organizations
Limitations:
- Advanced features, including automatic imaging and unlimited photo storage, sit behind a Premium subscription
- Teledermatology consultations are a separate paid add-on, starting around $59
- Originally built around mole monitoring, so some acne-specific features feel secondary to its skin cancer tracking roots
Pricing: Free basic tracking; Premium subscription for advanced features; consultations priced separately, starting around $59.
When to choose something else: If you want a treatment plan bundled with your tracking, not just the tracking itself, MDacne is a more direct fit.
2. MDacne
Why it's included: MDacne pairs an AI photo assessment with a personalized acne treatment kit, so tracking and treatment happen in the same app rather than as separate steps.
Best for: People who want an app to both score their acne severity and ship them a matching cleanser, treatment cream, and moisturizer.
Strengths:
- AI analysis trained on a large photo dataset to estimate acne type and severity
- Ongoing selfie tracking to monitor whether the treatment kit is working
- Access to dermatologist chat support on paid plans
Limitations:
- Subscription pricing has varied across plan tiers, commonly in the $29.95 to $59.95 per month range, and some users have reported unexpected charges after the trial period, so it is worth reading the cancellation terms closely before signing up
- The core value is tied to buying MDacne's own product line, so it is less useful if you already have a treatment you like and only want tracking
- AI photo analysis is a screening aid, not a diagnosis
Pricing: Free skin assessment; paid trial kits from about $9 in shipping; ongoing subscriptions have historically ranged from roughly $29.95 to $59.95 per month depending on the plan.
When to choose something else: If you already have a dermatologist-prescribed routine and just want a free photo log, SkinTheory or Miiskin's free tier will do the job without a product subscription attached.
3. SkinTheory
Why it's included: SkinTheory is a stripped-down photo and note diary built specifically around the idea of running a 4 to 6 week skincare experiment, tracking one variable at a time.
Best for: People who want a free, no-frills way to log photos and notes without AI scoring, treatment sales, or a subscription.
Strengths:
- Free to use
- Simple photo and written log, with easy day-to-day comparison
- Encourages a structured, one-variable-at-a-time approach to identifying what actually helps
Limitations:
- No AI severity scoring or objective measurement, comparisons are visual and manual
- Smaller company, and long-term app support is not guaranteed at the same level as larger platforms
- Fewer features overall compared to Miiskin or MDacne
Pricing: Free.
When to choose something else: If you want automated severity scoring instead of eyeballing your own photos, Miiskin or MDacne offer that layer of objectivity.
4. Momentary
Why it's included: Acne tracking apps are good at documenting change, but they do not tell you whether your acne warrants a medical evaluation, whether it might be a different skin condition, or which type of provider makes sense. Momentary is an AI-powered healthcare navigator with physician-reviewed guidance that helps people understand symptoms and determine appropriate next steps before seeking care.
Best for: Someone who has been tracking breakouts for weeks with no improvement and is trying to decide whether to keep waiting, book a telehealth visit, see a primary care doctor, or get a dermatology referral.
Strengths:
- Physician-reviewed guidance on next steps
- Helps clarify whether symptoms look consistent with acne or could suggest a different skin issue that needs a closer look
- Useful for comparing self-care, telehealth, primary care, and specialist options before spending money on an appointment
Limitations:
- Momentary does not take or analyze acne progress photos and is not a substitute for a dedicated tracking app
- Momentary does not diagnose skin conditions and does not replace a dermatologist's exam
- Direct physician services are currently available only in California; the AI healthcare navigator itself is available nationwide
Pricing: $19.99 per month.
When to choose something else: If your main goal is a visual record of your skin over time, use Miiskin, MDacne, or SkinTheory instead. Momentary is a better fit for the "what should I do next" question than for day-to-day photo tracking.
Pros and Cons Summary
Miiskin
- Pros: guided photo capture, dermatology endorsements, optional consultations
- Cons: best features paywalled, consultation is a separate cost
MDacne
- Pros: AI scoring bundled with treatment, dermatologist chat on paid plans
- Cons: tied to purchasing its product line, billing complaints reported by some users
SkinTheory
- Pros: free, simple, encourages structured experiments
- Cons: no AI scoring, fewer features, smaller developer
Momentary
- Pros: physician-reviewed next-step guidance, helps avoid unnecessary appointments
- Cons: not a photo-tracking tool, physician services limited to California
When Acne Needs Medical Attention, Not Just Tracking
Tracking is useful, but some signs mean it is time to loop in a professional rather than keep monitoring on your own:
- Acne is painful, cystic, or leaving scars
- Breakouts have not improved after 8 to 12 weeks of consistent over-the-counter treatment
- Acne is accompanied by signs of a hormonal condition, such as irregular periods or excess hair growth
- You notice signs of a skin infection, such as spreading redness, warmth, or fever
If you think you may be experiencing a medical emergency, call 911 or go to the nearest emergency room immediately.
FAQ
Is there a free app to track acne progress? Yes. SkinTheory is free and offers photo and note logging. Miiskin also has a free tier with core photo tracking, though its most advanced features require a Premium subscription.
Can an app diagnose my acne? No. Apps like MDacne and Miiskin use AI to estimate severity from photos, which is a screening aid, not a medical diagnosis. A dermatologist or qualified clinician can provide an actual diagnosis.
How long should I track before judging if a treatment works? Most dermatology guidance suggests giving a new routine 4 to 6 weeks before judging results, and up to 8 to 12 weeks for full effect, since skin cell turnover is gradual.
Do acne tracking apps work with prescription treatments? Some do. MDacne and Miiskin both support logging alongside dermatologist-prescribed treatment, and Miiskin's photo history can be shared during a consultation.
Is Momentary an acne tracking app? No. Momentary is a healthcare navigator that helps you decide whether your acne needs medical attention and which type of care to pursue. It does not take or store progress photos.
Are these apps private and secure? Privacy practices vary by app. Check each company's privacy policy for details on photo storage, data sharing, and whether photos are stored on-device or in the cloud before signing up.
What if my acne suddenly gets much worse? A sudden, severe change in acne, especially with pain, spreading redness, or fever, is worth an urgent evaluation rather than continued self-tracking. Contact a primary care provider, dermatologist, or urgent care.
