Karbon Networks vs Simby
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Karbon Networks
This app aims to be at the forefront of digital change in business, focusing on improving efficiency and innovation through technology. It is embarking on a digital transformation journey for online fitness subscriptions.
- Digital transformation
- Online fitness subscriptions
- Business innovation
- Efficiency improvement
- Technology adoption
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The global advances in technology digitization are constantly driving new ways of doing business, influencing the customer experience and improving both business innovation and efficiency. We as a Horizon Creative Community want to be at the forefront of the rapid pace of digital change and the online solutions that we see today. Therefore, we must embrace technology in order to increase the efficiency and effectiveness wherever possible in various fields. In order to capture a market-leading position in this space, Horizon Creative Community now is embarking on a new Digital Transformation Journey for online fitness subscriptions, which is called Karbon.
Simby
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Simby is the calm, all-in-one tracker for your baby's first years — feeding, diapers, sleep, growth and health, beautifully organized and always a tap away. Whether it's a 3 a.m. feed or a pediatrician visit, Simby helps you capture what matters and see the patterns behind it. FEEDING • Breastfeeding with left/right timers • Bottles and solids • Pumping sessions and a milk stash tracker DAILY CARE • Diapers, sleep and water intake • Walks, play, tummy time, bath and teeth brushing GROWTH & HEALTH • Weight, height and temperature with clear charts • Symptoms, medications and doctor visits • Vaccination schedule tailored to your country (US, Canada, Europe and more) with reminders MILESTONES & MEMORIES • Track first smiles, steps and words on a beautiful timeline • Save photos and special moments GUIDANCE WHEN YOU NEED IT • AI-powered specialists for sleep, feeding, health, development and parenting • Fast, personalized answers to everyday questions (AI guidance is informational and does not replace your pediatrician) CALM YOUR BABY • Built-in soothing sounds and lullabies for easier sleep MADE FOR FAMILIES • Share your baby's profile with your partner in real time • Export data as PDF/CSV for your pediatrician • Available in 6 languages • Private by design — your family's data stays yours SIMBY PRO Unlock unlimited AI specialists, full history, data export, memories and sharing. • Monthly or annual subscription; auto-renews unless cancelled 24h before the period ends — manage anytime in Settings Simby is an informational and organizational tool. It is not a medical device and does not provide medical advice, diagnosis or treatment. Always consult a qualified pediatrician for medical concerns. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://legal.simbyapp.com/
Screenshots
Verdict
The clearest difference is in-app purchases: Karbon Networks at none against Simby's 2. Karbon Networks also leads on iOS requirement (13.4 vs 15.1). Simby's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, 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. Simby sells 2 in-app purchases, starting at $4.99 per month. Karbon Networks asks for nothing beyond the download.
Karbon Networks ships an update every 6 weeks, Simby every 3 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.
| Parameter | Karbon Networks | Simby |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 49 MB | 68 MB |
| Age rating | 4+ | 12+ |
| Developer | Khaled Riyal | VESELA NIKOLAEVA MARINOVA |
In-app purchases
Karbon Networks
No in-app purchases
Simby
- Simby Premium Monthly$4.991 Month
- Simby Premium Annual7 Days trial$39.991 Year









