Comparison

Smart Signage vs TingFeiFei

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

Head to head
About

Smart Signage

Features
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Lanjing Intelligent Identification App is a supporting tool for IoT apps created by Lanjing for customers 1. Home page: Product display, power consumption display, and equipment situation 2. Control page: Controller power node viewing, node management, deletion or modification, dimming timing, and other operations 3. Plan distribution and group management

About

TingFeiFei

Features
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We control and operate the APP in the People's Republic of China (" PRC "), and unless otherwise stated, the materials displayed on the APP are used solely for the purpose of promoting our products and services in the PRC. We make no representations about the suitability or appropriateness of any material on the APP anywhere else. If you choose to access the APP from elsewhere, you are responsible for compliance with applicable local laws. It is also important to note that this APP is not part of the medical device registration. Main functions: TingFeiFei analysis software for infants and young children is designed for children respiratory doctors and parents to analyze whether there is moist rales or other pathological sounds in the lungs of children aged from 2 months to 14 years. To help pediatric respiratory doctors improve work efficiency, optimize medical services, and provide effective data support; At the same time, it is also hoped to help parents of children to understand whether the child's lung breathing sound is normal when the child has a fever and cough, and whether there is a risk of pneumonia. Disclaimer: 1. When using the information provided by the APP client, the user should consult a doctor before making a decision. If the content of the information is wrong, and the judgment of their own situation is wrong, the user shall bear the consequences. The APP will not be responsible for any deviation in using the client data by itself. 2. The APP is for doctors to study and research, and is not used as diagnostic basis, medical advice and other medical services for patients.

Screenshots

Smart Signage3 screens
TingFeiFei4 screens

Verdict

The call

The clearest difference is update cadence: TingFeiFei at fortnightly against Smart Signage's every 2 months. On price, 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

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

UpkeepUpdate frequency

Smart Signage ships an update every 2 months, TingFeiFei fortnightly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

Scorecard1 real difference · 5 level
Smart Signage versus TingFeiFei: the parameters behind the verdict, then further details
ParameterSmart SignageTingFeiFei
PriceFreeFree
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better13
Further details — not scored
Size70 MB54 MB
Age rating4+12+
DeveloperBlueview Elec-optic Tech Co.,Ltd广东汉泓医疗科技有限公司

In-app purchases

None

Smart Signage

No in-app purchases

None

TingFeiFei

No in-app purchases

Questions

Is Smart Signage free?
Smart Signage is free to download, with no in-app purchases.
Is TingFeiFei free?
TingFeiFei is free to download, with no in-app purchases.
Do Smart Signage or TingFeiFei have ads?
Neither Smart Signage nor TingFeiFei shows ads.
Which is updated more often, Smart Signage or TingFeiFei?
Smart Signage ships an update every 2 months, and TingFeiFei fortnightly. Most recently, Smart Signage was updated on October 25, 2026 and TingFeiFei on October 27, 2026.

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