Comparison

Private Notes. vs arc.app offline

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

Head to head

Private Notes.

Secret Password Notepad App

About

Private Notes.

Securely store your personal thoughts, ideas, and text with a passcode or biometric authentication. This app offers intuitive text editing tools and a straightforward interface for organizing timestamped notes.

Highlights

Biometric and passcode security
Intuitive copy/paste/cut
Text formatting (underline, bold, italic)
Timestamped notes
Straightforward user interface

Features

Read full description

Have personal notes you would like to keep secret? Look no further. With this app you can safely secure personal thoughts, ideas or any text with with Apple’s touch/Face ID or a passcode. FEATURES: -Intuitive copy/paste/cut functions are at your disposal. -Underline, embolden or change any word in italic. -Straight forward user interface allows you to quickly organize your timestamped notes.

About

arc.app offline

Features

Read full description

Designed to be the perfect mobile application companion to the Arcstone Operations Platform, arc.ops(TM), the arc.app(TM) is dedicated to putting real-time visibility, control and optimization power of Arcstone's solutions onto the mobile devices of management, engineers and factory floor personnel.

Screenshots

Private Notes.3 screens

arc.app offline4 screens

Verdict

The call

The clearest difference is ads: arc.app offline at none against Private Notes.'s shown. arc.app offline also leads on iOS requirement (10.0 vs 12.0). On price, update cadence, 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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 6 level

Private Notes. versus arc.app offline: the parameters behind the verdict, then further details
Parameter	Private Notes.	arc.app offline
Price	Free	Free
Positive reviews	14.3% of reviews	—
Update frequency	Every 2 months	Every 2 months
Ads	Yes	No — better
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0	10.0 — better
Further details — not scored
Size	16 MB	139 MB
Age rating	4+	4+
Developer	WALABOK LLC	Arcstone Pte. Ltd.

In-app purchases

None

Private Notes.

No in-app purchases

None

arc.app offline

No in-app purchases

Questions

Is Private Notes. free?

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

Is arc.app offline free?

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

Do Private Notes. or arc.app offline have ads?

Private Notes. shows ads; arc.app offline does not.

Which is updated more often, Private Notes. or arc.app offline?

Private Notes. ships an update every 2 months, and arc.app offline every 2 months. Most recently, Private Notes. was updated on October 12, 2026 and arc.app offline on October 11, 2026.