Azelva vs Ttorang
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Azelva
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Azelva is your skincare buddy & wellness companion. WHAT YOU CAN DO AI Skin Scanner β Scan your face and get an instant analysis of your skin's texture, hydration, sensitivity and more. Track your progress over time with real data. Lifestyle Tracker β Log your sleep, stress and hydration daily. See exactly how your habits impact your skin. Personalized Routine β Get a skincare routine built around your skin type, your lifestyle, and your goals. Ingredient Decoder β Type any ingredient from your products and instantly understand what it does, whether it suits your skin, and what to watch out for. AI Skin Buddy, 24/7 β Ask anything about your skin, your routine, or your products. Get honest, personalized guidance whenever you need it. Daily Skin Score β Track your skin health over time and see the impact of every change you make. Start your glow journey today. If you have any questions contact us : azelva.ai@gmail.com NOTE: This app provides guidance for your skincare and wellness journey. It does not provide medical advice, diagnosis, treatment, or health-related measurements. For skin conditions, allergies, irritation, or medical concerns, please consult a qualified professional. Conditions d'utilisation : https://azelva.lovable.app/conditions-utilisation Politique de confidentialitΓ© : https://azelva.lovable.app/politique-confidentialite
Ttorang
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Ttorang is a brain-training app you can start instantly - no sign-up, no login, no ads, no payments. Every training is free. β Five kinds of brain training Β· Card matching - find pairs of the same picture (20 pictures) Β· Number sequence - numbers appear one by one; tap them in the same order Β· Green light - tap the moment the light turns green (reaction speed) Β· Math & word quiz - mental arithmetic and word recall, with answers explained Β· Word memory - memorize a few words, then pick the ones you just saw Together they cover memory, attention, and language & math. β Easy, Normal or Hard - at your own pace On the All Training screen, pick any of the five trainings at the level you like and play as often as you want. Start with Easy and move up to Hard when you are ready. Each round takes just 2-5 minutes. β Today's training changes every day Every day Ttorang builds a routine with one training from each area, and the mix changes from day to day. Card pictures and words (40 per language) are drawn fresh each round, so the same questions don't keep repeating. A progress ring shows how far you've come, and you can pause and resume anytime. Finish them all to build streaks and badges (first session, 7 days, 30 days). β Cognitive score report Each session is scored 0-100 per area. See 7-day and 30-day trend charts and week-over-week change at a glance - and send this week's record to your family as a single picture. β Designed for older adults first Large-text mode, high-contrast mode, voice guidance (TTS) that reads instructions and results aloud, and generous touch targets. A few big buttons - no maze of menus. β Training reminder Pick a time and get a local notification on your device. Turn it off and everything still works. β Five languages Korean, English, Japanese, Simplified Chinese and Traditional Chinese - even the word questions use words in your language. Privacy is the architecture, not a promise Ttorang has no server and makes no network requests at all. Your training history, scores, and settings stay on this device and are never transmitted anywhere. No ads, no analytics, no tracking. Everything works the same in airplane mode. Important health notice Ttorang is not a medical device and does not provide medical diagnosis, treatment, or prevention. The cognitive score is a reference metric based on training results only - it is not a diagnostic or assessment tool for dementia, MCI, or any condition. If you have concerns about memory or cognition, please consult a doctor or qualified professional. Ttorang simply helps you keep an enjoyable brain-health habit.
Screenshots
Verdict
The clearest difference is in-app purchases: Ttorang at none against Azelva's 2. Ttorang also leads on update cadence (weekly vs every 2 months). Azelva's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Azelva sells 2 in-app purchases, starting at $9.99 per month. Ttorang asks for nothing beyond the download.
Azelva ships an update every 2 months, Ttorang weekly. Both last shipped on October 25, 2026.
| Parameter | Azelva | Ttorang |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Weekly β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 13.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 88 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | Azelva LLC | INPHIL CHOI |
In-app purchases
Azelva
- Monthly subscription$9.991 Month
- Yearly subscription$99.991 Year
Ttorang
No in-app purchases









