# Simple Calculator. vs Tsugitsugi Chain Timer

The clearest difference is in-app purchases: Simple Calculator. at none against Tsugitsugi Chain Timer's 3. Simple Calculator. also leads on iOS requirement (15.6 vs 26.0). Tsugitsugi Chain Timer's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Tsugitsugi Chain Timer sells 3 one-off in-app purchases. Simple Calculator. asks for nothing beyond the download.

## The numbers

| Metric | Simple Calculator. | Tsugitsugi Chain Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.6K ratings)](https://appshunter.io/ios/app/simple-calculator/id1324926551/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 65.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Ad-supported | — |
| Size | 5 MB | 3 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [tasser gyati](https://appshunter.io/developer/1324926550) | [icot](https://appshunter.io/developer/315124358) |

## What reviewers say

### Simple Calculator.

[App page](https://appshunter.io/ios/app/simple-calculator/id1324926551)

A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.

**Highlights:** Real-world logic, no forced order of operations, Running total display, Cost, sell, margin calculations, Add/subtract percentages in one step, Clean, intuitive interface with large buttons, Minimal, non-intrusive ads

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Supports percentage calculations
- 🚀 Fast and responsive
- 🔒 No security issues reported

**What reviewers complain about**

- 🐛 Occasional display issues with underline artifacts
- 📢 Intrusive ads in free version
- 💰 Paid version not clearly advertised

**Reported bugs**

- Incorrect calculation results in some cases
- Ads appearing during critical usage scenarios

**Requested features**

- Add a dedicated 'C' clear button
- Provide more customization options for key layout
- Implement a history/memory function


### Tsugitsugi Chain Timer

[App page](https://appshunter.io/ios/app/tsugitsugi-chain-timer/id6811218312)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.49 | one-time |
| Tip | $1.99 | one-time |
| Large Tip | $3.99 | one-time |


## Frequently asked questions

### Is Simple Calculator. free?

Simple Calculator. is free to download, with no in-app purchases.

### Is Tsugitsugi Chain Timer free?

Tsugitsugi Chain Timer is free to download, with in-app purchases available.

### Do Simple Calculator. or Tsugitsugi Chain Timer have ads?

Simple Calculator. shows ads; Tsugitsugi Chain Timer does not.

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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.*