Comparison

Big character calculator vs Designable Calculator

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

Head to head

Big character calculator

Free

🔧 Utilities

No ratingsView app →

Designable Calculator

Where Design Meets Calculation

Free

🔧 Utilities

No ratingsView app →

About

Big character calculator

Features

Read full description

Calculator with large buttons and easy to use for anyone

About

Designable Calculator

Features

Read full description

Designable Calculator allows you to create and customize your perfect calculator. With easy-to-use design tools, you can personalize everything from colors to button layouts.

Screenshots

Big character calculator1 screens

Designable Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Big character calculator at none against Designable Calculator's 1. Big character calculator also leads on device support (3 vs 1). Designable Calculator's advantage is ads (none vs shown). On price, update cadence and iOS requirement 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. Designable Calculator sells 1 in-app purchase, starting at $9.99 per year. Big character calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 11 days. Both last shipped on November 4, 2026.

Scorecard3 real differences · 3 level

Big character calculator versus Designable Calculator: the parameters behind the verdict, then further details
Parameter	Big character calculator	Designable Calculator
Price	Free	Free
Update frequency	Every 11 days	Every 11 days
Ads	Yes	No — better
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	15.8.3 — better	16.0
Further details — not scored
Size	34 MB	19 MB
Age rating	4+	4+
Developer	Hideaki Uchikoshi	Batbayar Batbaatar

In-app purchases

None

Big character calculator

No in-app purchases

1 purchases

Designable Calculator

Subscriptions1

Pro Plan$9.991 Year

Questions

Is Big character calculator free?

Big character calculator is free to download, with no in-app purchases.

Is Designable Calculator free?

Designable Calculator is free to download, with in-app purchases available.

Do Big character calculator or Designable Calculator have ads?

Big character calculator shows ads; Designable Calculator does not.

Which is updated more often, Big character calculator or Designable Calculator?

Big character calculator ships an update every 11 days, and Designable Calculator every 11 days. Most recently, Big character calculator was updated on November 4, 2026 and Designable Calculator on November 4, 2026.