Comparison

Japanese Translator + vs Satori Reader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Japanese Translator +

Translate Japanese to English and vice versa using text, voice, or photos. Features an extensive offline dictionary, verb conjugator, phrasebook, and vocabulary quizzes. Ideal for travelers and students needing reliable language assistance.

Highlights
  • Offline translation (text, voice, photo)
  • Extensive Japanese English dictionary
  • Verb conjugator with thousands of verbs
  • Phrasebook with 20 categories
  • Vocabulary quizzes and flashcards
  • Offline pronunciation with accent options
Features
Read full description

The #1 Japanese English Translator & Dictionary for iPhone, iPad & Apple Watch ◇ Offline Translator & Dictionary ◇ Verb Conjugator ◇ Phrasebook ◇ Vocabulary Quizzes ◇ Flashcards ◇ Loved by Millions "Apps from Vidalingua are hugely popular... they're free and they work offline, handy when you're actually abroad." New York Times Selected by Apple as "What's Hot" in over 40 countries. “This app packs an undeniable allure for travelers.” iPhone App Review USER REVIEWS “This app includes more reliable features than any of the others I’ve tried. The customer service people are great.” “My students are ditching their books for iPads so I looked at apps and websites with quality material. This is the app I recommend.” “I use this everyday to help me with my work. I would recommend this to anyone who needs a translator better than google translate.” “Great for Travel. Very helpful to find words and phrases without an internet connection.” “I've tried several apps and this is the best one I found so far. After trying the free version, I purchased the Pro upgrade.” Japanese Translator Dictionary + by VidaLingua transforms your iPhone, iPad and Apple Watch into an advanced language assistant, always ready to help. It includes features you won’t find in any other app and it’s trusted by millions of users who have given it the highest ratings of any app in its category. FEATURES • Offline Phrase Translator using advanced Artificial Intelligence (AI), augmented by the Human Intelligence (HI) of our linguists, to deliver the best translations of any app. • Photo Translator. Take a picture and translate any text in the image. • Voice Translator. Say a phrase in one language and translate it to another. • Text Translator. Type or copy text and generate accurate translations. • Japanese English Dictionary with over 2,740,000 offline entries. Includes numerous translations, usage examples, part-of-speech & images. Compiled and updated by professional linguists. • Best verb conjugator of any app including 10,626 Japanese verbs, 4,318 English verbs. Over 1,094,292 verb forms in all! • Phrasebook with 20 categories such as Conversation, Asking Directions and Making Friends. • Multiple-choice vocabulary quizzes. • Flashcards. Create study lists based on dictionary favorites. • Offline pronunciation in Japanese & English. Settings for speed and accent (Japanese, US, UK, Australia, South Africa, Ireland). • iPad Split Screen support so you can drag & drop words from other apps into Japanese Translator & Dictionary + to translate them. • Apple Watch support with voice lookups so you can say a word and find translations quickly. • Advanced voice recognition to enter words and phrases hands-free. Useful for practicing pronunciation. • Helpful dictionary features such as single index search, reverse lookup and sharing entries with friends. • Integrated access to Wikipedia, Wiktionary and other online sources for dictionary words. • Dictionary word attachments for notes, images and audio clips. • My Phrases section of phrasebook to add your own translations. • Vidalingua Pro includes more dictionary examples, more verb forms, a bigger phrasebook and no ads. By upgrading, you’ll be supporting our team of linguists, developers and customer success partners who greatly appreciate your support! USER REVIEWS “My go to app for everything Japanese and English! “This has been an extremely useful app as I prepare for a language exam and review verb conjugations.” “I love this app so much! It is a complete package for finding almost anything starting from words to phrases in Japanese.” At Vidalingua, we consider every user a partner to help us make the best app in the world for learning a language. Download Japanese Translator & Dictionary + for free and start learning today! Marc Bolh Founder Vidalingua https://vidalingua.com/terms-of-service.php

About

Satori Reader

Enhance your Japanese reading and listening skills with engaging stories written by native speakers. Features adaptive kanji, smart definitions, and spaced repetition to build vocabulary. Get clarity with friendly annotations and human feedback.

Highlights
  • Compelling stories by native speakers
  • Audio narration by voice actors
  • Adaptive kanji presentation
  • Smart word definitions
  • Friendly annotations
  • Spaced repetition vocabulary review
  • Human feedback and support
Features
Read full description

Ready to take your Japanese reading and listening comprehension to the next level? Welcome to Satori Reader. COMPELLING STORIES Read from a growing library of engrossing stories written by native speakers for intermediate students, across genres such as fantasy, slice-of-life, thrillers, documentaries, news, and more. AUDIO Tap any sentence to hear it read aloud by native voice actors (no robots!). ADAPTIVE KANJI USAGE Crack the chicken-and-egg problem of reading kanji with our unique presentation engine, which adjusts the Japanese text to accommodate your actual knowledge. This allows you to challenge yourself for the kanji you should know without being overwhelmed by what you don't. SMART DEFINITIONS Tap any word for a definition. This is more than just an automated lookup. Satori Reader shows the actual sense of each word as it's being used in the sentence. For example, the particle の has many uses: it can indicate possession; it can turn the preceding verb or phrase into a noun; it can stand in for another word; and more. We show you exactly what is happening in every instance of every word. FRIENDLY ANNOTATIONS Gray underlines indicate longer annotations that break down tricky expressions, provide cultural background, or help you to read between the lines. Our editors work hard to anticipate what might be confusing and proactively help you to make sense of things. Good-bye, confusion. Hello, clarity! SPACED REPETITION SYSTEM (SRS) The built-in spaced repetition review system helps you to build your vocabulary. Create review cards instantly as you read. Each card you create takes along a snapshot of the sentence in which you encountered the word, further helping to cement it in your memory. You can even play back the audio of that sentence while reviewing the word! HUMAN FEEDBACK Still confused about something? Just ask in the discussion section below each episode. Our team of friendly human beings is ready to help. Satori Reader is built by a team that cares. Our goal is to bring satori (enlightenment) into your Japanese reading life. Set up a free account today, and let's get started. SUBSCRIPTION DETAILS ▪ OPTIONS: Download the app for free and enjoy unlimited access to the first two episodes of each series (new series released regularly), plus complete access to special series such as Closeup: Obon Society. Subscribed for unlimited access to the entire Satori Reader library of more than 1200 episodes (new episodes released each week), including crystal-clear audio, helpful annotations, and real human feedback. Try your first month FREE (limit one per customer; cannot be used in combination with other introductory offers; offers subject to change). ▪ EXTRAS: Your subscription to Satori Reader comes with complimentary web access, as well as access to Satori Reader on all your smartphones and tablets. ▪ PRIVACY POLICY: https://www.satorireader.com/privacy ▪ TERMS OF SERVICE: https://www.satorireader.com/terms ADDITIONAL SUBSCRIPTION DETAILS ▪ Payment will be charged to your iTunes Account at confirmation of purchase (following any trial period). ▪ Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. ▪ Account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal. ▪ Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. ▪ Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. ▪ Cancel your subscription at any time. If you cancel, you will retain full access to Satori Reader for the period you paid for and you will not be billed again. If you have any questions, write to support@satorireader.com for speedy assistance. Thank you for your business!

Screenshots

Japanese Translator +4 screens
Satori Reader4 screens

Verdict

The call

The clearest difference is ads: Satori Reader at none against Japanese Translator +'s shown. Satori Reader also leads on ratings volume (218 vs 1) and review sentiment (90% vs 68%). Japanese Translator +'s advantage is rating (5.0 vs 4.8). On price, update cadence, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Japanese Translator + sells 1 in-app purchase, starting at $19.99 per year and Satori Reader sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Japanese Translator + holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Satori Reader has 218 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 68% of Japanese Translator +'s written reviews are positive against 90% of Satori Reader's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Japanese Translator + ships an update every 2 months, Satori Reader every 3 months. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
Japanese Translator + versus Satori Reader: the parameters behind the verdict, then further details
ParameterJapanese Translator +Satori Reader
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (218 ratings)
Positive reviews68.2% of reviews90.2% of reviews — better
Number of ratings1218 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size78 MB79 MB
Age rating4+12+
DeveloperAscendo Inc.Brak Software, Inc.

Customer experience

Japanese Translator +

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews22 reviews
Positive68.2%
Neutral9.1%
Negative22.7%

Satori Reader

All ratings218 ratings
Positive95.0%
Neutral2.3%
Negative2.8%
Written reviews174 reviews
Positive90.2%
Neutral2.3%
Negative7.5%

Bugs and requests

Japanese Translator +

Not enough reviews yet to summarise bugs or requests.

Satori Reader

Reported bugs

2 issues
  • Login issues and account creation problems
  • Syncing and loading delays on some devices

Requested features

4 requests
  • Dark mode option
  • Ability to loop audio playback
  • Kanji lookup/learning tools integration
  • More advanced/diverse content selection

In-app purchases

1 purchases

Japanese Translator +

Subscriptions1
  • Japanese Premium1 Year trial$19.991 Year
3 purchases

Satori Reader

Subscriptions3
  • Satori Reader Monthly1 Month trial4 variants$8.991 Month
  • Satori Reader Annual1 Month trial$89.991 Year
  • Satori Reader Annual1 Year trial3 variants$89.991 Year

Questions

Is Japanese Translator + free?
Japanese Translator + is free to download, with in-app purchases available.
Is Satori Reader free?
Satori Reader is free to download, with in-app purchases available.
Which has better reviews, Japanese Translator + or Satori Reader?
Japanese Translator + is rated higher. Japanese Translator + averages 5.0 out of 5 from 1 ratings, while Satori Reader averages 4.8 from 218 ratings.
Do Japanese Translator + or Satori Reader have ads?
Japanese Translator + shows ads; Satori Reader does not.
Which is updated more often, Japanese Translator + or Satori Reader?
Japanese Translator + ships an update every 2 months, and Satori Reader every 3 months. Most recently, Japanese Translator + was updated on October 8, 2026 and Satori Reader on October 18, 2026.

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