OBSERV 520x vs GL0W
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OBSERV 520x
This professional tool uses advanced visualization technology to analyze skin concerns from various perspectives. It helps professionals engage clients by providing objective images of skin conditions, demonstrating treatment progress, and informing treatment plans.
- Advanced skin visualization technology
- Objective imaging of skin concerns
- Client engagement and consultation tool
- Treatment progress tracking
- Inform treatment plan adjustments
- Insight into subsurface skin layers
Read full descriptionHide full description
With the OBSERV® 520x device and the OBSERV® 520x App it is surprisingly easy to engage your clients and convince them of the need to address skin concerns or the opportunity to achieve desired aesthetic results. The various diagnostic modes enable you to quickly identify and highlight skin concerns from different perspectives. The objective images show the skin as it is and help you inform your clients on the best treatment options, as well as manage their expectations. Before, during and after images show treatment progress and results. They’re also the ideal reference point to adjust initial treatment plans and determine possible further treatments. Used as a powerful tool to underline the trusted value and quality of your treatment, the images turn aesthetic consultations into engaged customer experiences. Skin professionals the world over rely on the advanced visualization technology of the OBSERV® 520x in providing clients a clear insight and understanding of their total facial skin condition. From surface appearance to the deepest layers, the OBSERV® 520x captures the complexity and causes of skin concerns. It’s these subsurface layers, not directly visible to the human eye, that hold the key to identifying correct skincare treatments. Based on such insights into their skin health, clients will recognize the need for professional skin treatment to prevent signs of ageing and stimulate the skin’s natural regenerative capacities.
GL0W
This app helps you track your skin's progress over time with daily face scans and personalized reminders. It features an AI coach for skin education and gamified elements to keep you motivated, focusing on building confidence and understanding your skin.
- Daily face scanning
- Skin progress tracking
- Personalized reminders
- AI skin education coach
- Gamified motivation (streaks, milestones)
- Confidence-building focus
Read full descriptionHide full description
Glow is the acne-tracking app that meets you where you are and helps you see how far you've come. Learn how to take care of your skin in luxary. Think of it as the love child of a period tracker and Duolingo, built specifically for your skin. Glow helps you stay consistent with daily face scans, tracks your skin's progress over time, and builds your confidence along the way all without pushing products at you. SCAN YOUR SKIN EVERY DAY Glow makes it easy to photograph your face on a regular schedule and visualize how your skin changes week over week. Consistency is everything in skincare — Glow keeps you honest. REMINDERS THAT ACTUALLY WORK Never miss a scan. Glow sends you personalized notifications so your routine stays on track, just like your favorite habit-building apps. CHAT WITH GLOW AI Got questions about your skin? Glow's built-in AI coach is here for skin education — not to sell you something. Ask anything, learn everything. GAMIFIED FOR REAL LIFE Streaks, milestones, and progress markers keep you motivated. Skincare is a long game — Glow makes it feel rewarding every step of the way. CONFIDENCE-FIRST Glow isn't about chasing perfection. It's about understanding your skin, celebrating progress, and feeling good in your face — acne and all. Whether you're a teenager navigating breakouts for the first time or a young adult looking to finally build a consistent routine, Glow is your no-judgment, no-upsell skin companion. Download Glow and fall in love with your skin. Terms and Conditions Here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: OBSERV 520x at none against GL0W's 1. OBSERV 520x also leads on ratings volume (5 vs 1). GL0W's advantage is update cadence (every 3 days vs every 2 weeks). On price, rating, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. GL0W sells 1 in-app purchase, starting at $9.99 per month. OBSERV 520x asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for OBSERV 520x against 5.0 for GL0W. That said, the two scores are not equally well evidenced: OBSERV 520x has 5 ratings behind it against 1, so its average is the more settled of the two.
OBSERV 520x ships an update every 2 weeks, GL0W every 3 days. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.
| Parameter | OBSERV 520x | GL0W |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 104 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | InnoFaith beauty sciences | RUCHA D DAVE |
Customer experience
OBSERV 520x
GL0W
In-app purchases
OBSERV 520x
No in-app purchases
GL0W
- premium$9.991 Month








