Comparison

Calculee vs HelloAndBye

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

Head to head

Calculee

The most realistic Calculator!

About

Calculee

Features

Read full description

The most realistic Calculator! The neumorphic design brings it to the 3D dimension and the haptics makes you feel every gentle press of a key ... The unique and rich color palette will allow you to personalize your iPhone and iPad and make it perfect for your office, home... and even your watch or bag. In addition, you can choose the shape of the buttons: from the classic square to the circle. The calculator is one of the most used tools and it doesn't have to be boring! Depending on your mood, it can be snow-white, red, yellow, black and even... lavender. Download Calculee and make your world look more colorful!

About

HelloAndBye

Features

Read full description

Tired of cluttered contact lists? Our app allows you to save contacts with a timer, ensuring they automatically delete after a set period. Ideal for temporary contacts such as vacation rentals, short-term work projects, or one-time connections. Keep your contact list neat and efficient!

Screenshots

Calculee4 screens

HelloAndBye4 screens

Verdict

The call

The clearest difference is price: HelloAndBye at Free against Calculee's $2.99. HelloAndBye also leads on in-app purchases (none vs 1). Calculee's advantage is update cadence (every 5 weeks vs every 3 months) and iOS requirement (14.3 vs 16.6). On ads 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

HelloAndBye is free to download; Calculee costs $2.99 up front. Calculee sells 1 one-off in-app purchase. HelloAndBye asks for nothing beyond the download.

UpkeepUpdate frequency

Calculee ships an update every 5 weeks, HelloAndBye every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 2 level

Calculee versus HelloAndBye: the parameters behind the verdict, then further details
Parameter	Calculee	HelloAndBye
Price	$2.99	Free — better
Update frequency	Every 5 weeks — better	Every 3 months
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	14.3 — better	16.6
Further details — not scored
Size	1 MB	5 MB
Age rating	4+	4+
Developer	Mikolaj Adamowicz	Mauro Bianchelli

In-app purchases

1 purchases

Calculee

One-time1

Premium Colors$0.99

None

HelloAndBye

No in-app purchases

Questions

Is Calculee free?

Calculee costs $2.99, and also offers in-app purchases.

Is HelloAndBye free?

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

Do Calculee or HelloAndBye have ads?

Neither Calculee nor HelloAndBye shows ads.

Which is updated more often, Calculee or HelloAndBye?

Calculee ships an update every 5 weeks, and HelloAndBye every 3 months. Most recently, Calculee was updated on November 3, 2026 and HelloAndBye on October 30, 2026.