Erby feeding & sleep tracker

Breastfeeding newborn baby log

VISPER ARTS OOO

View on App Store

MedicalLifestyle116 MB47 languages12+

Medical

#83

New

Category rank · Peru

App Store rating

4.8

384 ratings

Est. revenue

$10K

Per month

Est. downloads

Per month

Screenshots

World rankings

Medical

11 ranked countries

Top 10Top 50Top 100Not ranked

Country	Rank
🇵🇱 Poland	#100↓6
🇧🇬 Bulgaria	#39↓3
🇭🇷 Croatia	#59↑24
🇬🇷 Greece	#39↑18
🇭🇺 Hungary	#74↓28
🇵🇪 Peru	#83New to top 100
🇷🇴 Romania	#73↑15
🇸🇰 Slovakia	#83↓30
🇹🇲 Turkmenistan	#1New to top 100
🇻🇪 Venezuela	#45↓4
🇻🇳 Vietnam	#94New to top 100

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App details

Category: Medical
Developer: VISPER ARTS OOO
Source: AppSprint estimates and Apple App Store charts
Source checked: October 28, 2026
Geography: 11 chart countries

About these estimates

Modeled monthly estimates can differ from developer results because of geography, subscriptions, refunds, and available source data. Use them to compare scale and direction.

Methodology