Kungul vs fast_burn
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kungul
Scan product barcodes to instantly assess skincare product healthiness using a color-coded scoring system. Discover healthier, natural alternatives and gain detailed ingredient information to make informed decisions for your skin.
- Barcode scanning for product analysis
- Color-coded health scoring system
- Ingredient health risk evaluation
- Alternative product recommendations
- Detailed ingredient information
- Objective, science-based ratings
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Kungul® app is the ultimate tool for consumers who want to make informed decisions about their skincare products. By scanning the product barcode with Kungul app, you can quickly determine the healthiness of the product based on a 3-color code scoring system (green, orange, red) that evaluates each ingredient according to the latest scientific findings from the European Commission. Kungul app provides a clear and easy-to-understand score that takes into account potential health risks associated with each ingredient. In addition, Kungul app offers up to 3 alternative products, of the same range, that are healthier and more natural. Every product in Kungul app's database has been carefully evaluated and given a score based on the latest scientific research. Products with green scores are considered safe and healthy, while products with orange or red scores may contain potentially harmful ingredients. But Kungul app doesn't stop at providing scores and recommendations. It also gives you detailed information on each ingredient in the product, including potential health risks and alternative options. This means you can make informed decisions about your skincare products and take control of your skin health. Kungul app is the ultimate personal advisor that brings transparency to skincare products with a single scan. It enables consumers to consume in a more enlightened way by providing the best product recommendations objectively, based on EU latest regulations. No brand can influence the ratings or recommendations, and the app does not make any advertisements. With Kungul app, you can trust that you're making the right choice for your skin health.
fast_burn
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Fasting made simple. FastBurn shows what's happening in your body as you fast - from fat burning to autophagy - so every hour feels like progress. FASTING TIMER One tap to start. A ring UI tracks your elapsed time and body phase: blood sugar rising, fat burning, ketosis, autophagy. PLANS THAT FIT YOU Your goal, body type, and experience determine the best protocol: - 16:8 (16h fast / 8h eat) - 18:6 (18h fast / 6h eat) - 20:4 (20h fast / 4h eat) - 36-hour extended fast WEIGHT TRACKING + APPLE HEALTH Log weight and view trends. Syncs automatically with Apple Health. STATS & CALENDAR Total fasts, average duration, best streak - all at a glance. Calendar view shows your daily history. SMART REMINDERS Customize alerts for fast start, phase changes, and eating windows. FREE FEATURES - 16:8 fasting timer - Fasting history & basic stats - Weight log PRO FEATURES - All fasting plans (18:6, 20:4, 36h) - Detailed body phase tracking - Full statistics & trend charts - Fasting calendar - Unlimited fasting history SUBSCRIPTION DETAILS FastBurn Pro is an auto-renewable subscription. - Annual plan: includes a 7-day free trial - Monthly plan - Payment is charged to your Apple ID at confirmation - Subscription auto-renews unless canceled at least 24 hours before the current period ends - Unused portion of a free trial is forfeited upon purchase - Manage or cancel: Settings > Apple ID > Subscriptions Terms of Use: https://fastburn-legal.vercel.app/terms.html
Screenshots
Verdict
The clearest difference is in-app purchases: Kungul at none against fast_burn's 2. Kungul also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). fast_burn's advantage is update cadence (every 8 days vs every 6 weeks). On price and ads 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. fast_burn sells 2 in-app purchases, starting at $4.99 per month. Kungul asks for nothing beyond the download.
Kungul ships an update every 6 weeks, fast_burn every 8 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | Kungul | fast_burn |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 61 MB | 1 MB |
| Age rating | 17+ | 12+ |
| Developer | KUNGUL SH.P.K. | Keiichiro Hayashida |
In-app purchases
Kungul
No in-app purchases
fast_burn
- FastBurn Pro (Monthly)$4.991 Month
- FastBurn Pro (Annual)7 Days trial$29.991 Year









