Calculator vs EZrr Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.
- Basic calculations
- Over 80 themes
- Theme customization
- Easy to use interface
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Calculators (8 modes): Basic — everyday four-function calculator Scientific — trig, logs, powers, roots Tip & Split — tip, total, and per-person split Discount — sale price and how much you save (with tax) Loan — monthly payment with interest Savings — grow a balance over time Unit Price — compare price per unit Convert — length, weight, volume, temperature Personalization: 70+ themes (photo backgrounds, textures, solids) Any accent colour — pick a swatch or dial a custom shade on the colour wheel
EZrr Calculator
A straightforward calculator designed for simplicity and older devices. It provides a quick utility for basic calculations when you need a reliable tool.
- Simple interface
- Basic calculations
- Designed for older devices
- Quick utility tool
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It's just a calculator... We built the calculator for simplicity and for older devices... to give us a quick check utility for those times when our brains are full and unable to make basic calculations. This happened to us a lot. Enjoy!
Screenshots
Verdict
The clearest difference is review sentiment: EZrr Calculator at 100% against Calculator's 52%. EZrr Calculator also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 1). Calculator's advantage is ratings volume (146K vs 2). On price, device support 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. Calculator sells 1 one-off in-app purchase. EZrr Calculator asks for nothing beyond the download.
EZrr Calculator holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Calculator has 146K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 52% of Calculator's written reviews are positive against 100% of EZrr Calculator's.
Calculator ships an update every 4 weeks, EZrr Calculator daily. The most recent releases landed on September 28, 2026 and June 4, 2026 respectively.
| Parameter | Calculator | EZrr Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (146K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 51.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 146K — better | 2 |
| Update frequency | Every 4 weeks | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 82 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | The App Tower Inc. | EZR Companies LLC |
Customer experience
Calculator
EZrr Calculator
Bugs and requests
Calculator
Reported bugs
2 issues- Ads freeze the app
- Incorrect results for certain calculations
Requested features
4 requests- Add fraction support
- Implement a calculation history feature
- Provide more background theme options
- Allow landscape mode on tablets
EZrr Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator
- Ad Free Calculator$4.99
EZrr Calculator
No in-app purchases
