Sunny Seed vs BabyPercentile
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Sunny Seed compared with BabyPercentile
| Detail | 
Sunny Seed | 
BabyPercentile |
|---|
| What it does | Baby tracker, diary and AI assistant for sleep, feeding, growth, milestones and memories
| Free baby growth percentile calculator using WHO and CDC charts for children 0–5 years
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | GE
| Not given
|
|---|
| Pricing model | Free
| Free
|
|---|
| Pricing | Not given
| Not given
|
|---|
| Key features | - Sleep and feeding tracker with daily timeline view
- WHO percentile charts for weight, height and head circumference
- Photo and text diary with voice dictation
- AI assistant personalized to baby's data
- Health tracking and vaccination calendar for 19 countries
- Memory Book with AI-sorted albums and PDF exports
- Family access with editor and view-only permissions
- Offline access with automatic syncing
- Developmental milestones by age
| - WHO Child Growth Standards charts for ages 0–60 months
- CDC 2000 growth charts available from age 24 months
- Weight, length/height, head circumference, and weight-for-length measurements
- Separate growth curves for boys and girls
- Corrected age calculation for premature babies born before 37 weeks
- Private browser-only growth log with no server upload
- Trend alert for faltering growth based on UK NICE guidance
- Gain-per-day check between measurements
- Works offline after initial page load
|
|---|
| What makes it different | - One app combining daily tracking, development charts, memories and AI guidance
- WHO-based growth tracking with percentiles instead of anxiety
- Data stored in Europe with GDPR compliance and no ads or data selling
- AI assistant learns from your baby's specific history and entries
- Monthly AI letters and memory exports to preserve the first year
| - No ads, no account, no data collection—measurements never leave your browser
- Official WHO LMS parameters and CDC data with published formulas shown explicitly
- Handles measurement precision automatically with date-of-birth mode for young babies
- Applies WHO's 0.7 cm adjustment for lying vs standing measurement method at 24 months
- Cross-checked data with automated test suite validating WHO medians and clinical thresholds
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 6 ▼ −1 (down) since last check |
|---|
| Trust Flow (Majestic) | 17 | 5 |
|---|
| Citation Flow (Majestic) | 27 | 23 |
|---|
| Referring domains (Majestic) | 48 | 7 |
|---|
4 details filled in for both companies.
More alternatives to Sunny Seed More alternatives to BabyPercentile