Comparison

EGD2021 vs Sensitive Analysis

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

Head to head

EGD2021

For Visually Impaired People

About

EGD2021

Features

Read full description

This version of the app is written by Lam Yeung Shun under the supervision of Dr. Shiu Yin Yuen. The application will act as a guide dog, as an auxiliary tool to guide the visually impaired people (VIP) to the destination in both indoor and outdoor environments. Under the guidance of the navigation, the VIP can easily follow the instructions from the recorded path. The path can be recorded by themselves or received from other users.

About

Sensitive Analysis

Features

Read full description

Analyze sensitive Contents in media

Screenshots

EGD20213 screens

Sensitive Analysis1 screens

Verdict

The call

The clearest difference is ads: EGD2021 at none against Sensitive Analysis's shown. EGD2021 also leads on iOS requirement (14.0 vs 17.7.2). Sensitive Analysis's advantage is update cadence (fortnightly vs every 25 months). On price, 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

EGD2021 ships an update every 25 months, Sensitive Analysis fortnightly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 3 level

EGD2021 versus Sensitive Analysis: the parameters behind the verdict, then further details
Parameter	EGD2021	Sensitive Analysis
Price	Free	Free
Update frequency	Every 25 months	Fortnightly — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	14.0 — better	17.7.2
Further details — not scored
Size	1 MB	37 MB
Age rating	4+	4+
Developer	Shiu Yin Yuen	Hideaki Uchikoshi

In-app purchases

None

EGD2021

No in-app purchases

None

Sensitive Analysis

No in-app purchases

Questions

Is EGD2021 free?

EGD2021 is free to download, with no in-app purchases.

Is Sensitive Analysis free?

Sensitive Analysis is free to download, with no in-app purchases.

Do EGD2021 or Sensitive Analysis have ads?

Sensitive Analysis shows ads; EGD2021 does not.

Which is updated more often, EGD2021 or Sensitive Analysis?

EGD2021 ships an update every 25 months, and Sensitive Analysis fortnightly. Most recently, EGD2021 was updated on November 7, 2026 and Sensitive Analysis on November 4, 2026.