Comparison

See through Map vs QR Clock w/ Watch App

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

Head to head

QR Clock w/ Watch App

2D Barcode Clock

Free

🔧 Utilities

No ratingsView app →

About

See through Map

Features

Read full description

A map where the background is transparent and the letters and numbers written on the bottom of the iPhone (this app) are easy to see. #Transparent, see-through, clear, colorless, skeleton

About

QR Clock w/ Watch App

Features

Read full description

"QR Clock" is a clock app that displays the current time as a 2D barcode. [How to Use] Tap the screen: Open the settings screen. [Main Features] - Switch between 12/24-hour display - Toggle seconds display ON/OFF - Customize the 2D barcode [Notices] Depending on your settings, the displayed 2D barcode may become difficult to read with a barcode scanner. This is not a bug in the app, but rather a result of the settings selected by the user. Please note that the app does not guarantee successful scanning under all possible combinations of settings. Use the app with this understanding in advance.

Screenshots

See through Map1 screens

QR Clock w/ Watch App2 screens

Verdict

The call

The clearest difference is update cadence: QR Clock w/ Watch App at every 6 days against See through Map's fortnightly. 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

See through Map ships an update fortnightly, QR Clock w/ Watch App every 6 days. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 5 level

See through Map versus QR Clock w/ Watch App: the parameters behind the verdict, then further details
Parameter	See through Map	QR Clock w/ Watch App
Price	Free	Free
Update frequency	Fortnightly	Every 6 days — better
Ads	Yes	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod, Apple Watch — better
Requires iOS	15.8.3	14.0 — better
Further details — not scored
Size	35 MB	17 MB
Age rating	4+	4+
Developer	Hideaki Uchikoshi	Legal Prompt Inc.

In-app purchases

None

See through Map

No in-app purchases

None

QR Clock w/ Watch App

No in-app purchases

Questions

Is See through Map free?

See through Map is free to download, with no in-app purchases.

Is QR Clock w/ Watch App free?

QR Clock w/ Watch App is free to download, with no in-app purchases.

Do See through Map or QR Clock w/ Watch App have ads?

Both See through Map and QR Clock w/ Watch App show ads.

Which is updated more often, See through Map or QR Clock w/ Watch App?

See through Map ships an update fortnightly, and QR Clock w/ Watch App every 6 days. Most recently, See through Map was updated on October 6, 2026 and QR Clock w/ Watch App on October 25, 2026.