Comparison

iSign Language vs SignSchool

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

Head to head
About

iSign Language

Features
Read full description

This app converts American Sign Language (ASL) into speech. This is done by holding the iPhone and inputing a series of gestures that are broadly similar to standard ASL signs. The app recognises one hundred and twenty two signs; the First 100 Signs from Basic ASL and twenty two additional words, including WH questions and greetings. You can also make simple sentences in English and Japanese. This app is suitable for people who have studied the ASL alphabet.

About

SignSchool

Learn American Sign Language at your own pace with this app. It offers a dictionary of thousands of signs, categorized lessons, and a slow-motion feature for detailed viewing. Practice your skills with a daily sign and a fingerspelling game.

Highlights
  • ASL dictionary with thousands of signs
  • Categorized sign lessons
  • Slow-motion sign playback
  • Fingerspelling game
  • Sign of the Day
Features
Read full description

Learn American Sign Language for free. Wherever. Whenever. Whether you’re on the go or relaxing at home, SignSchool’s app lets you learn American Sign Language at your own pace. In this app, you can: - Browse the dictionary: Learn thousands of signs from a diverse group of signers and various dialects - Choose a category: Explore hundreds of sign categories covering a variety of topics - Learn at your own pace: Watch signs in more detail with the slow motion feature - Play with the Fingerspelling Game: Strengthen your fingerspelling skills - Improve your ASL with Sign of the Day: Learn a new sign everyday and review weekly For a more comprehensive learning experience with interactive lessons and learning tools, check out our website— www.signschool.com.

Screenshots

iSign Language3 screens
SignSchool4 screens

Verdict

The call

The clearest difference is price: SignSchool at Free against iSign Language's $0.99. SignSchool also leads on update cadence (every 2 weeks vs every 38 months) and iOS requirement (12.0 vs 15.6). On 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

SignSchool is free to download; iSign Language costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iSign Language ships an update every 38 months, SignSchool every 2 weeks. The most recent releases landed on August 11, 2026 and October 22, 2026 respectively.

Scorecard3 real differences · 7 level
iSign Language versus SignSchool: the parameters behind the verdict, then further details
ParameteriSign LanguageSignSchool
Price$0.99Free — better
Rating—4.5 (146 ratings) — better
Positive reviews—63.9% of reviews
Number of ratings—146 — better
Update frequencyEvery 38 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.612.0 — better
Further details — not scored
Size1 MB47 MB
Age rating4+4+
DeveloperYuichi HARASignSchool Technologies LLC

Bugs and requests

iSign Language

Not enough reviews yet to summarise bugs or requests.

SignSchool

Reported bugs

3 issues
  • Topics page not loading
  • Repeated or incorrect signs in dictionary
  • App crashing or freezing

Requested features

5 requests
  • Add ability to save/favorite words
  • Implement quizzes and review features
  • Provide more descriptions and explanations for signs
  • Include LGBTQ+ and disability-related vocabulary
  • Allow offline access to videos

In-app purchases

None

iSign Language

No in-app purchases

None

SignSchool

No in-app purchases

Questions

Is iSign Language free?
iSign Language costs $0.99, with no in-app purchases.
Is SignSchool free?
SignSchool is free to download, with no in-app purchases.
Do iSign Language or SignSchool have ads?
Neither iSign Language nor SignSchool shows ads.
Which is updated more often, iSign Language or SignSchool?
iSign Language ships an update every 38 months, and SignSchool every 2 weeks. Most recently, iSign Language was updated on August 11, 2026 and SignSchool on October 22, 2026.

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