Immersion Reader vs Poe Language Lens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Immersion Reader
Easily look up Japanese words while reading ebooks with a single tap. Import custom dictionaries and export saved vocabulary for spaced repetition learning. Offers customizable themes for a comfortable reading experience.
- One-tap word lookup in Japanese ebooks
- Import Yomichan and frequency dictionaries
- Export vocabulary to Anki
- Light and dark mode themes
- Lookup neighboring words
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Look up Japanese words as you read! Features - One tap to look up words in Japanese Ebooks. Tabs to help you look up neighboring words - Import Yomichan dictionaries and frequency dictionaries - Export saved vocabulary to Anki via Anki Dojo - Light mode, dark mode, and other themes for the dictionary
Poe Language Lens
Instantly learn vocabulary from any text on your device or camera feed. Get definitions and translations without needing an internet connection. Ideal for language students seeking efficient, context-aware learning.
- On-screen dictionary lookup
- Camera text recognition
- Seamless app integration
- Offline dictionary and OCR
- Multiple language support
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Poe is your essential OCR language learning companion. It's like Yomichan but for your phone or tablet, giving you the power to learn from your favorite apps and media. Simply hover over text using content from any app, website, e-book, or even your live camera feed, and Poe will display word dictionary definitions, translations, and more. Features - On-Screen Dictionary: Instantly look up words by hovering over them. - Camera Text Recognition: Translate and define text directly from your camera. - Seamless Integration: Use gestures or Siri to instantly start learning from content in any app. Whether you're learning Japanese, Chinese, Vietnamese, English, or any language with supported dictionaries, Poe Language Lens brings efficient, context-aware learning to your fingertips. * Great as a tool for students studying foreign languages, especially at language schools. * Fast! No internet connection needed, dictionaries and on-device OCR used to quickly bring relevant info to you. * Current dictionaries: English to English, Japanese to English, English to Japanese, Chinese to English, and Vietnamese to English. * More language support coming soon. * Like Yomichan (now Yomitan) but for mobile. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://slimecreative.com/privacy
Screenshots
Verdict
The clearest difference is rating: Poe Language Lens at 5.0 against Immersion Reader's 4.0. Immersion Reader's advantage is ratings volume (26 vs 1) and iOS requirement (13.0 vs 26.5). 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. Immersion Reader sells 1 one-off in-app purchase and Poe Language Lens sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Poe Language Lens holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Immersion Reader has 26 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.
| Parameter | Immersion Reader | Poe Language Lens |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (26 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 61.5% of reviews | — |
| Number of ratings | 26 — better | 1 |
| Update frequency | Every 6 days | Every 6 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 80 MB | 266 MB |
| Age rating | 4+ | 17+ |
| Developer | Mathew Chan | Joseph Petrakovich |
Customer experience
Immersion Reader
Poe Language Lens
In-app purchases
Immersion Reader
- Immersion Reader Premium$4.99
Poe Language Lens
- Upgrade to Boosted7 Days trial$4.991 Month
Questions
Is Immersion Reader free?
Is Poe Language Lens free?
Which has better reviews, Immersion Reader or Poe Language Lens?
Do Immersion Reader or Poe Language Lens have ads?
Which is updated more often, Immersion Reader or Poe Language Lens?
Other comparisons
