Comparison

SimpleCalc. vs Full Screen Clock

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

Head to head

SimpleCalc.

Just a simple calculator.

Ad-Free Clock for All Devices

$1.99

🔧 Utilities

No ratingsView app →

About

SimpleCalc.

Features

Read full description

Just a simple calculator. Use this calculator as your every day simple calculator with no ads, while having one of our beautiful tailor-made themes. Enjoy using it, and please put a nice review if you like it. Thanks! @Himnerom

About

Full Screen Clock

Features

Read full description

A clock that’s simple, beautiful, and distraction-free. No ads. No subscriptions. Just time. Enjoy it everywhere—on your iPhone, iPad, Mac, and even Apple TV. Perfect for a clean desk setup, a bedside display, or a living-room wall.

Screenshots

SimpleCalc.4 screens

Full Screen Clock4 screens

Verdict

The call

The clearest difference is price: SimpleCalc. at Free against Full Screen Clock's $1.99. SimpleCalc. also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.4). Full Screen Clock's advantage is update cadence (every 4 weeks vs every 7 months). On ads and in-app purchases 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

SimpleCalc. is free to download; Full Screen Clock costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SimpleCalc. ships an update every 7 months, Full Screen Clock every 4 weeks. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 2 level

SimpleCalc. versus Full Screen Clock: the parameters behind the verdict, then further details
Parameter	SimpleCalc.	Full Screen Clock
Price	Free — better	$1.99
Update frequency	Every 7 months	Every 4 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod, Mac — better	iPhone, iPad
Requires iOS	15.0 — better	18.4
Further details — not scored
Size	16 MB	0 MB
Age rating	4+	4+
Developer	Romain Rousseau	Hoa Tran

In-app purchases

None

SimpleCalc.

No in-app purchases

None

Full Screen Clock

No in-app purchases

Questions

Is SimpleCalc. free?

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

Is Full Screen Clock free?

Full Screen Clock costs $1.99, with no in-app purchases.

Do SimpleCalc. or Full Screen Clock have ads?

Neither SimpleCalc. nor Full Screen Clock shows ads.

Which is updated more often, SimpleCalc. or Full Screen Clock?

SimpleCalc. ships an update every 7 months, and Full Screen Clock every 4 weeks. Most recently, SimpleCalc. was updated on October 2, 2026 and Full Screen Clock on October 11, 2026.