Posso Parent App vs OnBook
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Posso Parent App
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Posso is an app that works with the existing Taidii system for parents. Parents can learn more children in school by app. Parents can understand their children grow up records by app.
OnBook
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Make every bedtime magical with OnBook. What if your child could step into their favorite story? OnBook uses advanced AI to create personalized fairy tales where your child is the main character. From brave explorers to magical forest friends, every story is a unique adventure designed just for them. Key Features: Be the Hero: Simply enter your child's name and interests to generate a one-of-a-kind storybook. Narrate with Your Voice: Record your own voice so your child can hear you read to them, even when youβre busy or away. Warm Crayon Art: Beautiful, hand-drawn style illustrations that spark imagination and comfort. Safe & Wholesome: AI-crafted content filtered for safety, ensuring a pure and positive experience for young minds. Your Personal Library: Save and collect every story to build a digital library of memories. Give your child the gift of wonder. Start your first story today with OnBook!
Screenshots
Verdict
The clearest difference is in-app purchases: Posso Parent App at none against OnBook's 3. Posso Parent App also leads on iOS requirement (15.6 vs 26.0). OnBook's advantage is update cadence (every 5 days vs every 2 months). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. OnBook sells 3 one-off in-app purchases. Posso Parent App asks for nothing beyond the download.
Posso Parent App ships an update every 2 months, OnBook every 5 days. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.
| Parameter | Posso Parent App | OnBook |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 5 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.6 β better | 26.0 |
| Further details β not scored | ||
| Size | 142 MB | 39 MB |
| Age rating | 12+ | 4+ |
| Developer | Taidii Pte Ltd | Jinyoung Jang |
In-app purchases
Posso Parent App
No in-app purchases
OnBook
- Ink 30 Pack$2.99
- Ink 70 Pack$4.99
- Ink 170 Pack$9.99
Questions
Is Posso Parent App free?
Is OnBook free?
Do Posso Parent App or OnBook have ads?
Which is updated more often, Posso Parent App or OnBook?
Other comparisons
