--- title: "Peeklu - Reviews, Revenue and Downloads in United States | Apple App Store" description: "Peeklu is a calm, distraction-free visual app for your baby — inspired by Montessori contrast cards used by parents for decades to support early visual development. Why contrast? Newborns primarily p" --- # Peeklu — United States > For Babies & Toddlers ![Peeklu App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/7a/40/e7/7a40e76b-3812-996f-d741-d8b8d622168d/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [Mark Erhard](https://apptail.io/developer/mark-erhard-vCONkc) (Germany) **Category:** Education **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.peeklu.app **Store:** Apple App Store **Country:** United States **Version:** 1.0 (released 2026-05-01) **Original Release:** 2026-05-01 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6764788764) **AppTail Page:** [https://apptail.io/app/peeklu-DuaA/united-states](https://apptail.io/app/peeklu-DuaA/united-states) ## Peeklu Description Peeklu is a calm, distraction-free visual app for your baby — inspired by Montessori contrast cards used by parents for decades to support early visual development. Why contrast? Newborns primarily perceive strong light-dark differences in their first weeks. Their visual system recognises outlines, movement, and clear shapes long before fine colours or detailed images. Peeklu puts this to work: slowly animated black-and-white patterns gently capture your baby's attention without overstimulation. Two modes — one calm experience Black & White Mode (from birth) 14 carefully designed patterns in pure black and white — from simple half-circles and concentric rings to a classic Archimedean spiral and an endless zoom. All animations run slowly and steadily, with no sudden changes or flashing effects. Colour Mode (from around 3 months) As your baby's vision develops and begins to distinguish colours, switch to Colour Mode: the same simple shapes appear in bold, child-friendly primary colours — always freshly shuffled. Tapping the screen creates gentle ripples or colourful bursts. Designed with parents in mind • Full screen with no distractions, no ads, no in-app purchases • Switch patterns easily with the volume buttons or by shaking the device • Tilt the device — the pattern follows the movement • Discreet parent gesture: hold two fingers on the screen to exit • Auto-starts in Black & White Mode after 10 seconds of inactivity What age? Peeklu is especially valuable in the first 6 months of life. Black & White Mode is suitable from birth; Colour Mode from around 3 months. Many parents continue using the app beyond that — during feeding, nappy changes, or a quiet moment in a busy day. Note: Short, relaxed sessions are more beneficial than long screen time. Peeklu doesn't replace talking to or making eye contact with your baby — it's simply a gentle companion for those moments. ## Peeklu Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ba/c4/a1/bac4a172-4ad4-f658-7206-c88dae234417/2.jpg/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b8/22/cd/b822cd1b-4b6e-5864-7be1-325c7c2c78df/4.jpg/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/1a/cf/b6/1acfb6de-d90c-a520-e8c6-09a431992cd3/1.jpg/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7f/b1/50/7fb1506d-ce78-0937-de31-2d628db10a92/3.jpg/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/0e/bc/a1/0ebca109-b6f9-a959-4048-c908201b2d9a/5.jpg/1242x2688.png) ## Apps Similar to Peeklu - [Shape games for kids toddlers](https://apptail.io/app/shape-games-for-kids-toddlers-PTo/united-states) - [Accordance Bible Software](https://apptail.io/app/accordance-bible-software-ONH/united-states) - [Fishing-King Angelschein](https://apptail.io/app/fishing-king-angelschein-savb/united-states) - [Rescue: Toddler games for kids](https://apptail.io/app/rescue-toddler-games-for-kids-jsXb/united-states) - [코코비 퍼즐놀이](https://apptail.io/app/app-BiGd/united-states) - [Baby Sensory Game for Infant](https://apptail.io/app/baby-sensory-game-for-infant-mZLe/united-states) - [Lingopic: Vocabulary Builder](https://apptail.io/app/lingopic-vocabulary-builder-duAo/united-states) - [Dentist Games for Kids: Doctor](https://apptail.io/app/dentist-games-for-kids-doctor-mQxq/united-states) - [Singing Lessons: Learn to Sing](https://apptail.io/app/singing-lessons-learn-to-sing-Zxcs/united-states) - [Contrast Cards & Patterns](https://apptail.io/app/contrast-cards-patterns-FLEz/united-states) ## Peeklu Available In - [Switzerland](https://apptail.io/app/peeklu-DuaA/switzerland) - [United States](https://apptail.io/app/peeklu-DuaA/united-states) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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