# Chippy Tools vs Premix Calculator (2 Stroke)

The clearest difference is update cadence: Chippy Tools at every 8 days against Premix Calculator (2 Stroke)'s every 3 months. Chippy Tools also leads on ratings volume (905 vs 11) and rating (4.5 vs 4.3). Premix Calculator (2 Stroke)'s advantage is iOS requirement (13.0 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 Premix Calculator (2 Stroke) sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Chippy Tools holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Chippy Tools has 905 ratings behind it against 11, so its average is the more settled of the two.

Chippy Tools ships an update every 8 days, Premix Calculator (2 Stroke) every 3 months. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Chippy Tools | Premix Calculator (2 Stroke) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (905 ratings)](https://appshunter.io/ios/app/chippy-tools-construction/id1579138717/reviews)** | [4.3 (11 ratings)](https://appshunter.io/ios/app/premix-calculator-2-stroke/id6749201236/reviews) |
| Number of ratings | **905** | 11 |
| Positive reviews | 55.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 46 MB | 34 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +17 |
| Developer | [Peth Pty Ltd](https://appshunter.io/developer/662891650) | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) |

## 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


### Premix Calculator (2 Stroke)

[App page](https://appshunter.io/ios/app/premix-calculator-2-stroke/id6749201236)

Easily calculate the correct fuel-to-oil ratio for your 2-stroke engine. Input your desired mix and fuel amount to get the precise oil quantity needed, preventing engine damage and ensuring smooth operation. Includes helpful articles and guides.

**Highlights:** Calculate optimal fuel-to-oil mix ratio, Use premix chart for quick oil quantity lookup, Read informative articles on 2-stroke premixing, Eliminate guesswork in fuel mixing, Prevent engine damage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $3.99 | one-time |


## Frequently asked questions

### Is Chippy Tools free?

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

### Is Premix Calculator (2 Stroke) free?

Premix Calculator (2 Stroke) is free to download, with in-app purchases available.

### Which has better reviews, Chippy Tools or Premix Calculator (2 Stroke)?

Chippy Tools is rated higher. Chippy Tools averages 4.5 out of 5 from 905 ratings, while Premix Calculator (2 Stroke) averages 4.3 from 11 ratings.

### Do Chippy Tools or Premix Calculator (2 Stroke) have ads?

Neither Chippy Tools nor Premix Calculator (2 Stroke) shows ads.

### Which is updated more often, Chippy Tools or Premix Calculator (2 Stroke)?

Chippy Tools ships an update every 8 days, and Premix Calculator (2 Stroke) every 3 months. Most recently, Chippy Tools was updated on October 20, 2026 and Premix Calculator (2 Stroke) on October 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.*