Comparison

PRAISE vs backrobo

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

Head to head
About

PRAISE

Features
Read full description

PRAISE-HK EXP is the upgraded version of PRAISE-HK App developed by Institute for the Environment, HKUST. In addition to the features provided in PRAISE-HK App, the upgrade brings a timely analysis of air pollution exposure and provides suggestions on how to mitigate the health risks stemming from it. PRAISE-HK EXP also integrates a cleaner routes suggestion feature, helping you plan a journey with better air quality. Key features: + Outdoor real-time air quality information down to the street in Hong Kong + 48-hour air quality forecast + Forecast videos to understand the interactions between pollutant emission and their transport by the weather systems + Concerned location bookmarks + Health recommendation and push notification of air quality at specific locations + Daily pollution exposure review + Cleaner routes suggestion ** NOTE: Location tracking in My Exposure is still in testing phase. Occasionally, you may find mistakes of the tracked locations, particularly in dense urban areas. For example, it may show you at the street that you in fact at another nearby. While we are upgrading our system, you can improve the accuracy by turning off Battery Saving or Device Only mode. **

About

backrobo

This app offers an intelligent health program to address issues stemming from prolonged sitting. It monitors and manages sitting posture to prevent and alleviate occupational diseases, aiming to improve work efficiency.

Highlights
  • Intelligent health ecological intervention
  • Monitors sitting posture
  • Manages sitting posture
  • Prevents occupational diseases
  • Alleviates health problems from sedentariness
  • Improves work efficiency
Read full description

Backrobo APP provides users with intelligent health ecological intervention program. With Backrobo Smart Chair, we intervene in the health problems caused by sedentariness. It can also effectively monitor and manage the sitting posture, so as to effectively prevent and alleviate occupational diseases caused by sedentariness, improving work efficiency.

Screenshots

PRAISE4 screens
backrobo4 screens

Verdict

The call

The clearest difference is update cadence: backrobo at every 2 weeks against PRAISE's monthly. 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

PRAISE ships an update monthly, backrobo every 2 weeks. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

Scorecard1 real difference · 8 level
PRAISE versus backrobo: the parameters behind the verdict, then further details
ParameterPRAISEbackrobo
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS12.012.0
Further details — not scored
Size75 MB42 MB
Age rating4+17+
DeveloperThe Hong Kong University of Science and TechnologyAIWORKS GLOBAL, INC

In-app purchases

None

PRAISE

No in-app purchases

None

backrobo

No in-app purchases

Questions

Is PRAISE free?
PRAISE is free to download, with no in-app purchases.
Is backrobo free?
backrobo is free to download, with no in-app purchases.
Do PRAISE or backrobo have ads?
Neither PRAISE nor backrobo shows ads.
Which is updated more often, PRAISE or backrobo?
PRAISE ships an update monthly, and backrobo every 2 weeks. Most recently, PRAISE was updated on October 20, 2026 and backrobo on October 17, 2026.

Other comparisons