Word a Day vs mPolona
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Word a Day
Enhance your vocabulary daily with a new word, complete with definition, synonyms, pronunciation, and an example sentence. Hear words spoken aloud to perfect your pronunciation and revisit past words to reinforce learning.
- Daily new word learning
- Definitions and synonyms
- Audio pronunciation
- Example sentences
- Revisit past words
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Improve your vocabulary with this fun app that delivers a new word for you to learn and use every day. To help you learn, Word a Day gives a definition, synonyms, pronunciation and an example of how each word might be used. Clicking the pronunciation field plays an audio sample of how the word is spoken, so that you can hear how to pronounce it correctly. Word a Day also remembers several previous words so that you can revisit them again if you missed or forgot them.
mPolona
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Polona Digital Library mobile app offers all the basic functionalities of the web service and many more. Browse and interact with our resources in mobile friendly interface and see what's new: - search in full texts of items and in the whole library, - explore our personalized suggestions based on your favourite items, - create public notes and curate public collections - share your work with the community, - save PDF items and audiobooks for offline use - read and listen to Polona even without internet connection, - use our new Press panel and browse newspapers and magazines even more easily, - listen to audiobooks in the background of other apps, - visit pages of cooperating institutions who share their digitized resources and community of scientists and researchers who share their work through Polona.
Screenshots
Verdict
The clearest difference is iOS requirement: Word a Day at 7.0 against mPolona's 13.0. 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.
Word a Day ships an update every 6 months, mPolona every 5 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Word a Day | mPolona |
|---|---|---|
| Price | Free | Free |
| Rating | 1.3 (4 ratings) — better | — |
| Positive reviews | 21.4% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 10 MB | 70 MB |
| Age rating | 4+ | 12+ |
| Developer | Malcolm Hall | Biblioteka Narodowa |
In-app purchases
Word a Day
No in-app purchases
mPolona
No in-app purchases
