Comparison

Picidae vs A chang

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

Head to head

Achang

About

Picidae

Features

Read full description

Picidae is a professional personal health care App that connects to ear-picking, acne needles, blackheads, dental vision and other products via Wi-Fi to display real-time images in the App so that individuals can easily and safely enjoy the personal care process. During use, you can take photos, video, adjust the focal length, etc., in order to prevent the use of the screen is also equipped with a lock screen function.

About

A chang

Features

Read full description

This APP connects to the visual earpiece device via wireless WiFi. It enables you to view the close-up camera footage directly on your mobile phone in real time. When viewing the footage, you can flip the image. You can also take photos and record videos to save the current scene in your phone's photo album. There is also a built-in album where you can view the photos and videos.

Screenshots

Picidae4 screens

A chang3 screens

Verdict

The call

The clearest difference is update cadence: A chang at fortnightly against Picidae'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

Picidae ships an update every 2 months, A chang fortnightly. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

Scorecard1 real difference · 5 level

Picidae versus A chang: the parameters behind the verdict, then further details
Parameter	Picidae	A chang
Price	Free	Free
Update frequency	Every 2 months	Fortnightly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.0 — better	13
Further details — not scored
Size	45 MB	2 MB
Age rating	4+	4+
Developer	Shenzhen Juyi digital technology Co., LTD	Shenzhen Shenglong Technology Co., Ltd

In-app purchases

None

Picidae

No in-app purchases

None

A chang

No in-app purchases

Questions

Is Picidae free?

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

Is A chang free?

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

Do Picidae or A chang have ads?

Neither Picidae nor A chang shows ads.

Which is updated more often, Picidae or A chang?

Picidae ships an update every 2 months, and A chang fortnightly. Most recently, Picidae was updated on September 11, 2026 and A chang on September 20, 2026.