Dewey Easy vs Trivory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dewey Easy
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Dewey Easy provides training and practice for new library staff and volunteers on the Dewey Decimal Classification System. It consists of a Dewey Decimal tutorial followed by drills for putting Dewey call numbers in order, as well as corrective feedback when mistakes are made.
Trivory
Stay informed about school activities with news, event calendars, and a staff directory. Access school programs and resources, and receive push notifications for important updates.
- News updates
- Event calendar
- Staff directory
- School resources
- Push notifications
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Trivory makes it easy for students and parents to stay in the know with everything going on at school. The News tab helps you stay informed with all the latest updates and information. Discover upcoming events and keep track of schedules with the Calendar. Plus you can find teacher contact information in the Staff Directory, learn about school programs and places in the Resources section, get push notification updates, and more.
Screenshots
Verdict
The clearest difference is price: Trivory at Free against Dewey Easy's $99.99. Trivory also leads on update cadence (every 2 months vs every 10 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement 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
Trivory is free to download; Dewey Easy costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Dewey Easy ships an update every 10 months, Trivory every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Dewey Easy | Trivory |
|---|---|---|
| Price | $99.99 | Free — better |
| Rating | — | 4.1 (127 ratings) — better |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | — | 127 — better |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | John White | Terren LLC |
In-app purchases
Dewey Easy
No in-app purchases
Trivory
No in-app purchases
Questions
Is Dewey Easy free?
Is Trivory free?
Do Dewey Easy or Trivory have ads?
Which is updated more often, Dewey Easy or Trivory?
Other comparisons
