Comparison

XS4 Sense vs WhichLang

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

Head to head
About

XS4 Sense

Features
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XS4 Sense is the innovative solution for Hospitality, Residential and Office buildings that improves the energy efficiency of the buildings and gets at the same time certified accountability of the results in terms of energy savings. It has been conceived to be a global product/solution easy to be installed in existing buildings thanks to the intensive adoption of wireless technologies (Wi-Fi and BLE combined).

About

WhichLang

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Which language is being spoken right now? WhichLang listens through your microphone and shows you in real time which language is spoken around you โ€“ with its confidence, for over 90 languages. Just open the app and it starts. No tapping, no setup, no sign-up. โ€ข IDENTIFIES OVER 90 LANGUAGES From German, English, Russian and Turkish to Ukrainian, Arabic, Chinese, Japanese and many more. WhichLang shows the three most likely languages with a percentage โ€“ great for gauging certainty even between similar languages. โ€ข COMPLETELY OFFLINE All recognition runs on your device. No audio ever leaves your iPhone, and the app works without internet โ€“ on a plane, on the subway, abroad. โ€ข PRIVACY FIRST Audio is never recorded, stored, or transmitted. The microphone is only active while the app is open. No account, no ads, no tracking. โ€ข LIVE DISPLAY A level visualization shows you that WhichLang is listening, and results update smoothly as people speak. โ€ข HISTORY (optional) If you like, WhichLang remembers which languages were detected and when โ€“ the result only, never audio. Deletable anytime, stays local on your device. Perfect for travelers, language lovers, people in multilingual settings, and anyone who ever wondered: "What language is that?" WhichLang is free and contains no ads.

Screenshots

XS4 Sense4 screens
WhichLang3 screens

Verdict

The call

XS4 Sense and WhichLang are too close to call on the numbers: across 5 compared parameters โ€” price, ads, in-app purchases and device support among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
XS4 Sense versus WhichLang: the parameters behind the verdict, then further details
ParameterXS4 SenseWhichLang
PriceFreeFree
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 โ€” better15.0
Further details โ€” not scored
Size26 MB52 MB
Age rating4+17+
DeveloperSalto SystemsJOCHEN MAURER

In-app purchases

None

XS4 Sense

No in-app purchases

None

WhichLang

No in-app purchases

Questions

Is XS4 Sense free?
XS4 Sense is free to download, with no in-app purchases.
Is WhichLang free?
WhichLang is free to download, with no in-app purchases.
Do XS4 Sense or WhichLang have ads?
Neither XS4 Sense nor WhichLang shows ads.

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