Comparison

ASL Translator vs Optimem

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

Head to head
About

ASL Translator

This app translates English text into American Sign Language (ASL) videos, offering real-time sign generation for over 30,000 words and 1,400 idioms. It also provides a library of 110 common ASL phrases with video demonstrations, all without requiring an internet connection.

Highlights
  • Text-to-sign video generation
  • Over 30,000 words translated
  • 1,400+ idioms and phrases
  • Seamless sign connectivity
  • 110 common ASL phrases
  • Offline functionality
Features
Currently charting
Read full description

There are two parts to this app. 1. TEXT-TO-SIGN GENERATOR (SIGNED ENGLISH) 2. ASL PHRASES (ASL) **One time fee, no ad's and nothing else to pay for. **No internet connection required. PLEASE READ BEFORE BUYING: The TEXT-TO-SIGN portion of this app translates English text into ASL signs and generates sentences in “English word order”. However it is not “Signed Exact English” we improve the translation with our Smart Translation Algorithm. PART ONE Over 30,000 words translated into Seamless Sign Language Video in real time! Patented technology seamlessly connects each signed word to display a smooth video stream, the only software with this unique feature. Translate entire books, emails, documents or text from the internet. Use voice recognition from your keyboard microphone, type a sentence, or cut and paste text into the text box and see the video translation in real time. TEXT-TO-SIGN FEATURES • Seamless connectivity between signs • Over 30,000 words recognized • Over 1,400 Idioms and Phrases • Translate up to 50 words at a time • Cut and paste large amount of text • Translate entire numerical system • Time, Money, Dates • General numbers • Names i.e. Mr. Brown • Model mouths each word for lip readers • Finger spells any word not in our database • Pause, Fast Forward, Rewind, and Replay Video • ASL Signs in English word order, plus our Smart Translation Algorithm. ***Guaranteed to work perfectly. If you have any issue please email us for help at appsavers@gmail.com Thank You*** PART TWO 110 ASL Phrases Learn how to sign ASL idioms and phrases. Jessica Tanner (deaf actress) and Dwight D. Godwin, NIC (certified ASL interpreter), translate over 100 idioms and phrases such as “Do you need a doctor” and “train go sorry” into ASL. (No internet required) ASL Translation There are many different forms of American Sign Language. For example, there are over 100 different ways to sign “Birthday” and “Picnic” ASL signs vary in different parts of the country and even in different small social groups. We tried to take this into account and provide signs that are most commonly used. **NOTE: This app is not meant to replace a live interpreter. **AUDIO: If you are a hearing person, there is no sound with this application. **Comments – Questions –Support, Please contact us at appsavers@gmail.com THANK YOU

About

Optimem

Master any subject quickly with science-backed flashcards. Learn in short, engaging sessions using spaced repetition and multimedia support. Track your progress and customize your study experience with a simple, distraction-free interface.

Highlights
  • Bite-sized learning sessions
  • Spaced repetition system
  • Multimedia flashcard support
  • Progress tracking and stats
  • Customizable study settings
  • Dark mode
  • Content creation and sharing
Features
Read full description

Optimem helps you study & memorize any topic as fast as possible - Start learning in seconds. Choose from a wide variety of topics across Spanish, Music, Programming, and more. - Learn in 1-2 minute bite-sized sessions, like while waiting in line or on a bus. Quickly learn and practice on a fast path to mastery. - Experience simple, delightful design combined with cutting-edge scientific techniques. Together, learning can be more efficient and more enjoyable. Features - Freely and instantly download learning materials in the app from a wide variety of subjects - Seamless feed of questions to make learning fast and easy - Spaced repetition system (also known as SRS or Leitner system) which lets you spend less time learning - Sound and haptics feedback (short vibrations) to reinforce correct and incorrect answers - Confetti blasts on correct answer streaks for more delight - Support for images, audio, text, emojis and markdown formatting for flash cards - Support for text-to-speech for pronunciation and listening practice - Stats about your learning progress and rate - List and explore all cards in a topic - Customize new and review questions per day - Dark mode - Simple and distraction-free interface - Experimental and controversial Instant Brain Upload mode* - Connect and transfer content between your phone and another computer - Open source learning materials - Create, edit, remix, and share any learning materials Languages: - Spanish - French - Japanese – Hiragana & Katakana - Hindi – Devanagari alphabet - Russian – Cyrillic alphabet - Korean – Hangul alphabet - Mandarin Chinese - Norwegian - International morse code - Braille - American sign language - Toki Pona – a language with only ~120 words, designed to be simple and positive Other topics: - Piano keys - Music theory – music intervals & modes - Rust programming language - How to count in binary - … and growing! Learning materials can be created, edited, and shared by anyone. Brought to you by Organic Software. Privacy Policy: - https://optimem.org/privacy Have feedback or questions? - Contact us via https://optimem.org/discord

Screenshots

ASL Translator4 screens
Optimem4 screens

Verdict

The call

The clearest difference is price: Optimem at Free against ASL Translator's $4.99. Optimem also leads on rating (4.7 vs 4.1) and update cadence (monthly vs every 4 months). ASL Translator's advantage is chart position (#143 vs unranked). On ratings volume, ads, in-app purchases and device support 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

Optimem is free to download; ASL Translator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Optimem holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 87 and 30 respectively. Written reviews point the same way: 69% of ASL Translator's written reviews are positive against 80% of Optimem's.

UpkeepUpdate frequency

ASL Translator ships an update every 4 months, Optimem monthly. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

Scorecard6 real differences · 5 level
ASL Translator versus Optimem: the parameters behind the verdict, then further details
ParameterASL TranslatorOptimem
Price$4.99Free — better
Rating4.1 (87 ratings)4.7 (30 ratings) — better
Positive reviews69.0% of reviews80.0% of reviews — better
Number of ratings87 — better30
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#143 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size320 MB54 MB
Age rating4+4+
DeveloperSoftware Studios LLCOrganic Software LLC

Customer experience

ASL Translator

All ratings87 ratings
Positive77.0%
Neutral2.3%
Negative20.7%
Written reviews58 reviews
Positive69.0%
Neutral3.4%
Negative27.6%

Optimem

All ratings30 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews20 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

Bugs and requests

ASL Translator

Reported bugs

5 issues
  • App suddenly stopped working
  • App is always freezing
  • Text to sign part not working
  • Videos are choppy
  • App won't open, needs update

Requested features

10 requests
  • Ability to watch in slow motion
  • Favorites section for personalized sentences
  • Memory game for learning
  • Larger print for text box
  • ASL word order option
Show 5 more
  • Slower signing speed or speed control
  • More common phrases
  • Integrate common phrases with translator
  • Update with true ASL
  • More ASL dictionaries and idioms

Optimem

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ASL Translator

No in-app purchases

None

Optimem

No in-app purchases

Questions

Is ASL Translator free?
ASL Translator costs $4.99, with no in-app purchases.
Is Optimem free?
Optimem is free to download, with no in-app purchases.
Which has better reviews, ASL Translator or Optimem?
Optimem is rated higher. ASL Translator averages 4.1 out of 5 from 87 ratings, while Optimem averages 4.7 from 30 ratings.
Do ASL Translator or Optimem have ads?
Neither ASL Translator nor Optimem shows ads.
Which is updated more often, ASL Translator or Optimem?
ASL Translator ships an update every 4 months, and Optimem monthly. Most recently, ASL Translator was updated on September 22, 2026 and Optimem on September 17, 2026.

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