Calc The App vs KDCA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calc The App
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Calc the app -- a fast, clean, ad-free calculator. • Instant results & big buttons • Mesmerising Haptic feedback & Sounds • History tape with copy/share • Percent & tax helpers • Themes: light/dark • iPad multitasking Always free, no ads. Optional tips support development.
KDCA
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A calculator is a valuable assistant that helps you solve math problems without much difficulty. Calculator app allows you to calculate basic or scientific math operations quickly and intuitively. Math sums just got easier. Trust and become a math master!
Screenshots
Verdict
The clearest difference is in-app purchases: KDCA at none against Calc The App's 3. Calc The App's advantage is device support. On price 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
Both are free to download. Calc The App sells 3 one-off in-app purchases. KDCA asks for nothing beyond the download.
| Parameter | Calc The App | KDCA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 25 months | — |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad — better | — |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomasz Lukaszyk | Korea NFT Certificate Authority |
In-app purchases
Calc The App
- Espresso$0.99
- Coffee$2.99
- Croissant$4.99
KDCA
No in-app purchases









