Sora, by OverDrive Education vs WolfKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sora, by OverDrive Education
Access and borrow ebooks and audiobooks from your school's digital library. Enjoy a built-in reader and player, track your reading progress, and export notes. Discover assigned titles and personal favorites with ease.
- Borrow ebooks and audiobooks
- Built-in eBook reader
- Audiobook player
- Track reading time and books read
- Create and export notes/highlights
- Define words and review vocabulary
Read full descriptionHide full description
Borrow eBooks and audiobooks from your school's library with Sora. Setup is simple - just find your school and sign in. Then download or stream your assignments and favorite books to your device. Sora includes: • A ground-breaking built-in eBook reader • A beautiful audiobook player • Easy access to assigned titles • A running tally of time spent reading and numbers of books read With Sora you can: • Borrow a book and start reading with a single tap • Create and export notes and highlights • Define words - and review a list of all the words that you've looked up • Earn achievements for reading, and for completing certain tasks in Sora • Enjoy reading eBooks and audiobooks!
WolfKey
Read full descriptionHide full description
WolfKey allows WPGA students to easily acces their schedules and converse with other students.
Screenshots
Verdict
The clearest difference is device support: Sora, by OverDrive Education at 3 against WolfKey's 1. Sora, by OverDrive Education also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | Sora, by OverDrive Education | WolfKey |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (626 ratings) — better | — |
| Positive reviews | 45.6% of reviews | — |
| Number of ratings | 626 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 5 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | OverDrive, Inc. | Kevin Chung |
Bugs and requests
Sora, by OverDrive Education
Reported bugs
4 issues- Pages freeze or don't load properly
- Reading progress not tracked accurately
- Inability to renew books
- Accounts randomly logged out
Requested features
4 requests- More manga and graphic novels
- Ability to join more reading challenges
- Increase loan/hold limits
- Better notification system for available holds
WolfKey
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sora, by OverDrive Education
No in-app purchases
WolfKey
No in-app purchases
Questions
Is Sora, by OverDrive Education free?
Is WolfKey free?
Do Sora, by OverDrive Education or WolfKey have ads?
Which is updated more often, Sora, by OverDrive Education or WolfKey?
Other comparisons
