Comparison

One Heart App vs Lingo

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

Head to head
About

One Heart App

Features
Read full description

The One Heart App is a congenital heart disease (CHD) educational screening solution to reach the 90% of children in the world who do not have access to quality cardiac care. The One Heart App enables healthcare workers to reach remote and underserved populations and provide CHD screening using a digital stethoscope and a mobile device. The One Heart App allows users to create an account, add patients, record heart sounds, assign patients to an expert user, complete consultation of assigned patients, and review consultation results. There are three primary users for the One Heart App including general users, nurses, and pediatric cardiologists (expert users). Please Note: the demo version of this application is available for anyone to download, however, the use of the machine learning algorithms integrated in version 1.2 are restricted to institutional users who have ethical clearance and are using the One Heart App for clinical investigative purposes only. If you are interested in using the One Heart App and integrated machine-learning algorithms for clinical investigation or wish to join the Digital Heart Sounds Study program, please contact us at Contact@onehearthealth.org.

About

Lingo

Features
Read full description

Learning a new language is now easier and more fun with Learn Lang! Key Features: - Personalized learning experience - Daily practice exercises - Progress tracking and statistics - Word and sentence flashcards - Audio pronunciation support - Smart reminders - Achievement badges and rewards Why Learn Lang? - Scientifically proven learning methods - User-friendly interface - Regular updates and fresh content - Free basic features - Ad-free experience Download now and start your language learning journey today! Learning a new language has never been this easy with Learn Lang.

Screenshots

One Heart App4 screens
Lingo4 screens

Verdict

The call

The clearest difference is in-app purchases: One Heart App at none against Lingo's 2. Lingo's advantage is update cadence (every 3 days vs every 3 months). 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. Lingo sells 2 in-app purchases, starting at $2.99 per month. One Heart App asks for nothing beyond the download.

UpkeepUpdate frequency

One Heart App ships an update every 3 months, Lingo every 3 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level
One Heart App versus Lingo: the parameters behind the verdict, then further details
ParameterOne Heart AppLingo
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size40 MB41 MB
Age rating12+4+
DeveloperOne Heart HealthSelcuk Ozdemir

In-app purchases

None

One Heart App

No in-app purchases

2 purchases

Lingo

Subscriptions2
  • Aylık$2.991 Month
  • Yıllık$9.991 Year

Questions

Is One Heart App free?
One Heart App is free to download, with no in-app purchases.
Is Lingo free?
Lingo is free to download, with in-app purchases available.
Do One Heart App or Lingo have ads?
Neither One Heart App nor Lingo shows ads.
Which is updated more often, One Heart App or Lingo?
One Heart App ships an update every 3 months, and Lingo every 3 days. Most recently, One Heart App was updated on November 8, 2026 and Lingo on October 30, 2026.

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