Swappie app vs Polylino
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Swappie app
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Swappie app is to manage Books, cosmic, CD/ DVD & Games. A user can upload books, comics and CD/DVD for exchange, sale or rent. Users can make an offer for an exchange and recipient users can communicate if they are interested. This application help users to make use of their used books, games, comics, and CD/DVD by renting, purchasing, exchanging etc
Polylino
A multilingual digital picture book app designed for educators to use in early childhood classrooms. It offers a library of age-appropriate books with read-aloud or listen options in various languages, supporting emergent literacy and curriculum goals.
- Multilingual digital picture book library
- Supports emergent literacy
- Culturally diverse books
- Picture books and non-fiction
- Accessible for all students
- Curriculum support
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Bring the magic of storytime to every child with Polylino! Polylino is a multilingual digital picture book app for educators and teachers to use in the classroom for early childhood education. The digital library of books on the app supports the curriculum, and develops a child’s emergent literacy. The books available can be read aloud or listened to in different languages. This is how Polylino supports your teaching: · Gives your students access to hundreds of age-appropriate books · Offers multilingual narrations so all children can be included · Strengthens a love of reading at a young age · Supports emergent literacy · Develops a child’s ability to read · Offers culturally diverse books · Supports the Learning Foundations and curriculum · Encourages personal, social, and emotional development · Has picture books, factual books, non-fiction, and more! · Inclusive and accessible to students Read along with Polylino and include all your students during storytime. Listen to many of our books in multiple languages, so all your students can be included, no matter their home language. For questions about our service, please email: support@ilteducation.com
Screenshots
Verdict
The clearest difference is update cadence: Polylino at every 3 weeks against Swappie app's every 19 months. Swappie app's advantage is iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Swappie app ships an update every 19 months, Polylino every 3 weeks. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.
| Parameter | Swappie app | Polylino |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (5 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 19 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 22 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | TriState Technology | ILT Inläsningstjänst AB |
In-app purchases
Swappie app
No in-app purchases
Polylino
No in-app purchases
