# Chippy Tools vs Stair Calculator Pro

The clearest difference is rating: Chippy Tools at 4.5 against Stair Calculator Pro's 4.0. Chippy Tools also leads on ratings volume (907 vs 4). Stair Calculator Pro's advantage is iOS requirement (13.4 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Chippy Tools sells 9 in-app purchases, starting at $2.99 per 7 days and Stair Calculator Pro sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chippy Tools holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Chippy Tools has 907 ratings behind it against 4, so its average is the more settled of the two.

## The numbers

| Metric | Chippy Tools | Stair Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (907 ratings)](https://appshunter.io/ios/app/chippy-tools-construction/id1579138717/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/stair-calculator-pro/id6757703166/reviews) |
| Number of ratings | **907** | 4 |
| Positive reviews | 55.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Freemium | Freemium |
| Size | 46 MB | 2 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peth Pty Ltd](https://appshunter.io/developer/662891650) | [Anna Filobok](https://appshunter.io/developer/1613515832) |

## What reviewers say

### Chippy Tools

[App page](https://appshunter.io/ios/app/chippy-tools-construction/id1579138717)

This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.

**Highlights:** Baluster spacing calculator, Flat run attached baluster calculator, Square calculator, Concrete calculator, Stair calculator, Supports millimeters, feet, and inches

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chippy Tools Pro - Weekly | $2.99 | per 7 days |
| Chippy Tools Pro - Weekly | $3.99 | per 7 days |
| Chippy Tools Pro - Quarterly | $4.99 | per 3 months |
| Chippy Tools Pro - Monthly | $5.99 | per month |
| Chippy Tools Pro - Monthly | $5.99 | per month |
| Chippy Tools Pro - Annual | $19.99 | per year |
| Chippy Tools Pro - Annual | $19.99 | per year |
| Chippy Tools Pro - Annual | $19.99 | per year |
| One Time Purchase | $85.00 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💡 Useful construction tools
- 🙌 Great for DIY projects

**What reviewers complain about**

- 🤔 Confusing interface
- 💰 Expensive subscription
- 🐛 Inaccurate calculations
- 🔒 Difficult to cancel subscription

**Reported bugs**

- Square check feature not working
- Measurements disappear after partial use

**Requested features**

- Add more construction-related calculators
- Improve stair and rafter tools
- Include material quantity estimations
- Add support for metric and imperial units


### Stair Calculator Pro

[App page](https://appshunter.io/ios/app/stair-calculator-pro/id6757703166)

This app quickly calculates stair dimensions like number of steps, total run, and stringer measurements. It supports real-time unit conversions between imperial and metric systems and includes a currency converter. Premium features require a subscription.

**Highlights:** Real-time stair dimension calculation, Imperial and metric unit conversion, Currency converter, Calculate number of steps from total rise, Cost calculation per step, Supports various input and output units

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | per 7 days |
| Premium Access | $1.99 | per month |
| Premium Access | $5.99 | per year |


## Frequently asked questions

### Is Chippy Tools free?

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

### Is Stair Calculator Pro free?

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

### Which has better reviews, Chippy Tools or Stair Calculator Pro?

Chippy Tools is rated higher. Chippy Tools averages 4.5 out of 5 from 907 ratings, while Stair Calculator Pro averages 4.0 from 4 ratings.

### Do Chippy Tools or Stair Calculator Pro have ads?

Neither Chippy Tools nor Stair Calculator Pro shows ads.

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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.*