Comparison

Lingvano vs Climate Clock

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

Head to head
About

Lingvano

Learn American Sign Language with bite-sized video lessons taught by Deaf instructors. Progress from beginner to conversational fluency with daily practice, interactive quizzes, and a comprehensive dictionary. Gamified rewards and real dialogues make learning engaging and effective.

Highlights
  • Bite-sized video lessons
  • 600+ lessons and vocabulary
  • Visual learning with matching exercises
  • End-of-chapter quizzes
  • Sign speed control
  • Vocabulary and fingerspelling practice
  • Flashcards for review
  • Real-life dialogue lessons
Features
Read full description

Join 5 million people and start building bridges by learning ASL with the most popular sign language learning app. Lingvano is the perfect starting point for beginners, with video lessons made by Deaf teachers that can be done anywhere, anytime. You'll start signing in your very first lesson, and can become conversational with just 10 minutes/day of practice! #Bite-sized lessons make learning easy – Build your vocabulary and learn grammar in 600+ lessons – Match signs to the correct picture or video with visual lessons – Check in on your signing progress with end of chapter quizzes – Tap the turtle icon to slow down the speed of any video or dialogue #Practice tools make learning stick  – Practice vocabulary, fingerspelling (ABCs), and number signs to remember more – Look up any signs you forgot or don’t yet know in our handy dictionary – Review signs and retain what you've learned with our flashcards #Special rewards make learning fun – Earn special awards as you learn – Collect curiosities as you complete unique lessons – Test your skills and unlock up to 5 stars in milestone lessons – Unlock learning streaks with daily learning – Earn streak freezes to protect your learning streak by getting lessons 100% correct #Real dialogues help you become conversational fast – Sharpen your conversation skills with real-life dialogue lessons between Deaf people – See different real-world signing styles and learn from a variety of Deaf teachers Ready to start learning? Download Lingvano now, and join our mission to break down language barriers and build bridges with Deaf family, friends, colleagues, and neighbors.  ------------------------------ If you enjoy learning with Lingvano, you can purchase a premium subscription to unlock all learning content and features. Your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current payment period. Your account will be automatically charged at the same price for renewal within the 24-hour-hour period prior to the end of the current payment period unless you change your subscription preferences. Subscription options: - 1 month - 3 months - 12 months ------------------------------ Privacy policy: https://www.lingvano.com/asl/privacy-policy/ Terms of use: https://www.lingvano.com/asl/terms-conditions/

About

Climate Clock

Features
Read full description

The Most Important Numbers in the World: The Climate Clock melds art, science, technology, and grassroots organizing to get 
the world to #ActInTime. Stay informed with lifelines, the climate clock, and the latest hopeful news updates on the climate clock. Stay informed about positive progress in fighting climate change. Countdown to when our carbon budget is exhausted. Track world’s energy from 
renewables. Use our widgets to stay informed and take action! Add them to your widget stack and watch faces. Quickly access the Action Clock to show the deadline 
and lifelines to others.

Screenshots

Lingvano4 screens
Climate Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Climate Clock at none against Lingvano's 10. Climate Clock also leads on update cadence (every 2 days vs fortnightly). Lingvano's advantage is chart position (#23 vs unranked). On price, ads, device support and iOS requirement 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. Lingvano sells 7 in-app purchases, starting at $17.99 per month. Climate Clock asks for nothing beyond the download.

UpkeepUpdate frequency

Lingvano ships an update fortnightly, Climate Clock every 2 days. The most recent releases landed on November 10, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 8 level
Lingvano versus Climate Clock: the parameters behind the verdict, then further details
ParameterLingvanoClimate Clock
PriceFreeFree
Rating4.9 (121K ratings) — better—
Positive reviews65.8% of reviews—
Number of ratings121K — better—
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
Best chart rank#23 — better—
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS16.4 — better17.0
Further details — not scored
Size126 MB11 MB
Age rating9+4+
DeveloperLingvano GmbHWoven GbR Dahlmann, Linz, Waetke, Wolf

Bugs and requests

Lingvano

Reported bugs

3 issues
  • Lessons not saving progress
  • Videos not loading
  • Incorrect answers marked wrong

Requested features

5 requests
  • More free lessons and features
  • Ability to track progress and revisit past lessons
  • Option to choose instructor/signer
  • Landscape mode for tablets
  • Feedback/reporting mechanism for errors

Climate Clock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Lingvano

Subscriptions7
  • ASL Premium monthly$17.991 Month
  • ASL Premium monthly7 Days trial2 variants$17.991 Month
  • Lingvano Premium monthly7 Days trial$19.991 Month
Show 4 more
  • ASL Premium quarterly7 Days trial2 variants$47.993 Months
  • Lingvano Premium quarterly7 Days trial$53.993 Months
  • Lingvano Premium yearly7 Days trial$119.991 Year
  • ASL Premium yearly7 Days trial2 variants$119.991 Year
None

Climate Clock

No in-app purchases

Questions

Is Lingvano free?
Lingvano is free to download, with in-app purchases available.
Is Climate Clock free?
Climate Clock is free to download, with no in-app purchases.
Do Lingvano or Climate Clock have ads?
Neither Lingvano nor Climate Clock shows ads.
Which is updated more often, Lingvano or Climate Clock?
Lingvano ships an update fortnightly, and Climate Clock every 2 days. Most recently, Lingvano was updated on November 10, 2026 and Climate Clock on October 25, 2026.

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