Infant Zoo vs Onni & Ilona
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Infant Zoo
This app uses high-contrast visuals, engaging sounds, and animations to stimulate newborns and young babies. It aims to improve attention span, memory, and curiosity while also providing a calming experience. Interactive modes cater to different developmental stages.
- High-contrast animal illustrations
- Engaging animal sounds and animations
- Bubble pop and shake features
- Two play modes: Watch and Play
- Retina display support
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WIth simple, high-contrast illustrations, engaging animal sounds, animations, and stimulating 'bubbles', Infant Zoo is designed specifically for newborns and young babies. Infant stimulation can help improve your baby's attention span, memory and curiosity, while research has shown that the secret to infant visual stimulation lies in high-contrast colors. Use Infant Zoo and its high-contrast visuals to help calm and soothe your baby as well as increase concentration skills, enhance natural curiosity, and stimulate the creation of brain cell connections. Features: • 3 high-contrast animals with sound and animation (Paid version has 16 animals) • 2 modes of play - 'watch' mode for newborns and 'play' mode for older babies • A 'watch mode' that allows your infant watch Infant Zoo like a movie • A 'play mode' that encourages interaction for when your infant is able to grasp • 'Bubbles' when you shake the iPhone/iPad • Vibrations when the animal animates • Support for Retina iPad and iPhone Disclosures: • This app DOES NOT feature in-app purchases • This app DOES NOT contain any 3rd party advertising • This app DOES contain an external link back to our other age appropriate apps. • This app DOES NOT report any personally identifiable user data
Onni & Ilona
This app offers visual stimulation for babies aged 0-12 months with lively animations and delightful sounds. It features 12 charming animals designed to support early eyesight development, curiosity, and calm. The app can be used in interactive touch mode or passive movie mode.
- Visual stimulation for babies 0-12 months
- 12 animated animal characters
- Interactive touch mode
- Passive movie mode
- Supports eyesight development
- Calming and soothing atmosphere
- No internet access required
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Stimulate your baby's vision with lively animations and delightful sound! Onni & Ilona: Happy Animals is specifically designed to support early development of eyesight in babies aged 0-12 months. An assortment of 12 charming animals animate in fun ways and provide endless enjoyment, curiosity and calm to newborns as well as older infants. Babies respond most to strong contrasts, simple shapes and joyful expressions. Around the world, Onni & Ilona apps are used to support early eyesight development and to alleviate conditions, such as cortical visual impairment (CVI). Features: + For ages 0-1 + 12 happy characters + Play for free with three characters and purchase the full version to get the rest + Two play modes: Interact with animals by touch or play on movie mode + May promote eyesight development, attention span and memory in young infants + Calming and soothing atmosphere + Delightful animations and amusing audio + Designed for shared use by babies and parents + Supports all iPads and iPhones with iOS 12 or later + No internet access needed! + No advertisements! ** Note! Do you represent an educational institution? Get the educational edition: https://onnijailona.app/happyanimals/edu/ Since 2007, Onni & Ilona has been delighting babies and young children with a range of toys, clothing and childrens books. Onni & Ilona’s visual stimulation cards are found in nurseries and bedrooms worldwide, and now they are making their debut in interactive digital form on your favorite mobile devices. Learn more about Onni & Ilona: https://www.onnijailona.app Contact us for assistance or to give feedback: https://www.onnijailona.app/contact/
Screenshots
Verdict
The clearest difference is in-app purchases: Infant Zoo at none against Onni & Ilona's 1. Infant Zoo also leads on ratings volume (5.7K vs 1.7K). Onni & Ilona's advantage is update cadence (every 4 months vs every 11 months) and iOS requirement (12.0 vs 15.0). On price, rating, review sentiment 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. Onni & Ilona sells 1 one-off in-app purchase. Infant Zoo asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.2 for Infant Zoo against 4.3 for Onni & Ilona. Both are backed by a comparable volume of ratings — 5.7K and 1.7K respectively. Written reviews are what separate them: 82% of Infant Zoo's written reviews are positive against 80% of Onni & Ilona's.
Infant Zoo ships an update every 11 months, Onni & Ilona every 4 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Infant Zoo | Onni & Ilona |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5.7K ratings) | 4.3 (1.7K ratings) — better |
| Positive reviews | 81.8% of reviews — better | 79.6% of reviews |
| Number of ratings | 5.7K — better | 1.7K |
| Update frequency | Every 11 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 89 MB |
| Age rating | +4 | 4+ |
| Developer | treebetty LLC | Pintxo Creative |
Customer experience
Infant Zoo
Onni & Ilona
Bugs and requests
Infant Zoo
Reported bugs
2 issues- Upgrade not working as expected
- App freezing or looping on some devices
Requested features
2 requests- Expand to more devices (Android, Fire tablets)
- Add more animals and sounds
Onni & Ilona
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Infant Zoo
No in-app purchases
Onni & Ilona
- Unlock full version$4.99
Questions
Is Infant Zoo free?
Is Onni & Ilona free?
Which has better reviews, Infant Zoo or Onni & Ilona?
Do Infant Zoo or Onni & Ilona have ads?
Which is updated more often, Infant Zoo or Onni & Ilona?
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