# Calculator· vs Simple Calculator. +

The clearest difference is price: Calculator· at Free against Simple Calculator. +'s $1.99. Calculator· also leads on ratings volume (34K vs 147) and rating (4.9 vs 4.7). Simple Calculator. +'s advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence, monetization model, device support and iOS requirement there is nothing between them.

Calculator· is free to download; Simple Calculator. + costs $1.99 up front. Calculator· sells 3 in-app purchases, starting at $0.99 per month. Simple Calculator. + asks for nothing beyond the download.

Calculator· holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Calculator· has 34K ratings behind it against 147, so its average is the more settled of the two. Written reviews point the same way: 84% of Calculator·'s written reviews are positive against 73% of Simple Calculator. +'s.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Calculator· | Simple Calculator. + |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (34K ratings)](https://appshunter.io/ios/app/calculator/id554836784/reviews)** | [4.7 (147 ratings)](https://appshunter.io/ios/app/simple-calculator-plus/id1324927779/reviews) |
| Number of ratings | **34K** | 147 |
| Positive reviews | **84.3% of reviews** | 72.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 47 MB | 1 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim O's Studios, LLC](https://appshunter.io/developer/412839685) | [tasser gyati](https://appshunter.io/developer/1324926550) |

## 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


### Simple Calculator. +

[App page](https://appshunter.io/ios/app/simple-calculator-plus/id1324927779)

This app offers a straightforward and dependable calculator for iPhone and iPad. It includes advanced features like tax calculation, cost/selling price/margin calculations, and memory operations. A free version is available to try before purchasing.

**Highlights:** 12-digit display, Tax calculation, Cost, selling price, and gross margin calculations, Memory operations, Grand total (GT), Percentage calculation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calculator· free?

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

### Is Simple Calculator. + free?

Simple Calculator. + costs $1.99, with no in-app purchases.

### Which has better reviews, Calculator· or Simple Calculator. +?

Calculator· is rated higher. Calculator· averages 4.9 out of 5 from 34K ratings, while Simple Calculator. + averages 4.7 from 147 ratings.

### Do Calculator· or Simple Calculator. + have ads?

Calculator· shows ads; Simple Calculator. + does not.

### Which is updated more often, Calculator· or Simple Calculator. +?

Calculator· ships an update every 3 months, and Simple Calculator. + every 3 months. Most recently, Calculator· was updated on October 15, 2026 and Simple Calculator. + on October 13, 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.*