# Calculator· vs NumeroLuck

The clearest difference is ads: NumeroLuck at none against Calculator·'s shown. NumeroLuck also leads on update cadence (monthly vs every 3 months). Calculator·'s advantage is device support (4 vs 2). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Calculator· sells 3 in-app purchases, starting at $0.99 per month and NumeroLuck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Calculator· ships an update every 3 months, NumeroLuck monthly. The most recent releases landed on October 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Calculator· | NumeroLuck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (34K ratings)](https://appshunter.io/ios/app/calculator/id554836784/reviews)** | — |
| Number of ratings | **34K** | — |
| Positive reviews | 84.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 10 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim O's Studios, LLC](https://appshunter.io/developer/412839685) | [Srikanth Polisetty](https://appshunter.io/developer/1881355111) |

## What reviewers say

### Calculator·

[App page](https://appshunter.io/ios/app/calculator/id554836784)

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

**Highlights:** Basic arithmetic operations, Percentage calculations, Multiple color schemes, Copy results, Square, square root, inverse functions, iPad Split View support, Apple Watch support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade App | $0.99 | per month |
| Upgrade App | $4.99 | per year |
| Upgrade App | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Quick and responsive
- 💡 Percentage function works well
- 👍 Large, clear buttons
- 👍 Straightforward, no-frills design

**What reviewers complain about**

- 🔋 Frequent ads can be distracting
- 🐛 Occasional crashes or freezes
- 🔒 Lack of customization options
- 💡 No backspace/undo function
- 💡 Missing advanced features like memory

**Reported bugs**

- Crashes when performing long calculations
- Freezes when opening the app
- Incorrect results for some complex calculations

**Requested features**

- Add a backspace/undo button
- Implement a history/memory feature
- Provide more customization options
- Reduce frequency of ads


### NumeroLuck

[App page](https://appshunter.io/ios/app/numeroluck/id6759871749)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NumeroLuck Premium | $0.99 | one-time |


## Frequently asked questions

### Is Calculator· free?

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

### Is NumeroLuck free?

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

### Do Calculator· or NumeroLuck have ads?

Calculator· shows ads; NumeroLuck does not.

### Which is updated more often, Calculator· or NumeroLuck?

Calculator· ships an update every 3 months, and NumeroLuck monthly. Most recently, Calculator· was updated on October 1, 2026 and NumeroLuck on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*