Chippy Tools vs Premix Calculator (2 Stroke)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chippy Tools
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.
- Baluster spacing calculator
- Flat run attached baluster calculator
- Square calculator
- Concrete calculator
- Stair calculator
- Supports millimeters, feet, and inches
Read full descriptionHide full description
Chippy Tools is the must-have calculator for carpenters and handy folks looking to simplify math on the job. Whether you're on your iPhone or iPad, Chippy Tools is for you. Its user-friendly design lets you focus on carpentry while the app handles the math. Perfect for architects, builders, carpenters, construction workers, contractors, designers, engineers, tradespeople, and woodworkers of all kinds, Chippy Tools speeds up common calculations with precision. Save time and cut costs by reducing site errors. WHAT IS A CHIPPY? In Australia, carpenters are often called Chippy. WHY CHIPPY TOOLS? Our mission at Chippy Tools is to redefine top-notch apps for carpenters. We aim to develop a sustainable business model, adding new calculations to keep saving you time and money. FEATURES • Baluster spacing calculator - Quickly calculate spacing for flat runs. • Flat run attached baluster calculator - Simple, fast calculations for attached balusters. • Supports millimeters, feet, and inches. PREMIUM FEATURES (Requires Subscription) • Square calculator - Ensure structures are perfectly square. • Concrete calculator - Calculate concrete needed for slabs and posts. • Dumpy level calculator - Find relative level from benchmarks. • Equal spacing calculator - Calculate even spacing effortlessly. • Gravel calculator - Determine gravel volume needed. • Pitch calculator - Calculate pitch with rise and run. • Raked wall calculator - Measure raked walls using height or pitch. • Running calculations - Enter start number and interval. • Soil calculator - Find soil volume for landscaping. • Stair calculator - Calculate going, stringer, and rise for stairs. • Triangle calculator - Solve triangle measurements with ease. FEEDBACK Want a new calculator? Email us at feedback@chippy.tools. NO ADS EVER We promise no ads in Chippy Tools. Enjoy the best experience for your purchase. SUPPORT Got questions or feedback? Contact us for free tech support at support@chippy.tools. If Chippy Tools aids you, please leave an App Store review to help others find it. Subscription Terms of Service: https://chippy.tools/terms/ Proudly made in Brisbane, Australia.
Premix Calculator (2 Stroke)
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.
- 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
Read full descriptionHide full description
Premix Calculator (2 Stroke) is a must-have app for 2-stroke engine owners and enthusiasts. Quickly and accurately calculate the right fuel-to-oil mix ratio for your motorcycle, dirt bike, boat, or small engine. Simply input your desired ratio and fuel amount, and the app delivers the exact oil quantity needed. Eliminate guesswork, prevent engine damage, and keep your ride running smoothly with this easy-to-use, reliable premix calculator. With our Premix Calculator (2 Stroke) app you can do the following: - Calculate the optimal fuel-to-oil mix ratio for your 2-stroke engine - Use the premix chart to quickly find the right oil quantity for a specific volume of gasoline - Read informative articles and guides related to 2-stroke engine premixing
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Chippy Tools | Premix Calculator (2 Stroke) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (905 ratings) — better | 4.3 (11 ratings) |
| Positive reviews | 55.2% of reviews | — |
| Number of ratings | 905 — better | 11 |
| Update frequency | Every 8 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 46 MB | 34 MB |
| Age rating | 4+ | +17 |
| Developer | Peth Pty Ltd | Arsosa Network Inc. |
Customer experience
Chippy Tools
Premix Calculator (2 Stroke)
Bugs and requests
Chippy Tools
Reported bugs
2 issues- Square check feature not working
- Measurements disappear after partial use
Requested features
4 requests- 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)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Chippy Tools
- Chippy Tools Pro - Weekly1 Month trial$2.997 Days
- Chippy Tools Pro - Weekly3 Days trial$3.997 Days
- Chippy Tools Pro - Quarterly3 Months trial$4.993 Months
Show 5 moreShow fewer
- Chippy Tools Pro - Monthly$5.991 Month
- Chippy Tools Pro - Monthly1 Month trial$5.991 Month
- Chippy Tools Pro - Annual3 Days trial$19.991 Year
- Chippy Tools Pro - Annual1 Year trial$19.991 Year
- Chippy Tools Pro - Annual$19.991 Year
- One Time Purchase2 variants$85.00
Premix Calculator (2 Stroke)
- Remove Ads Forever$3.99
Questions
Is Chippy Tools free?
Is Premix Calculator (2 Stroke) free?
Which has better reviews, Chippy Tools or Premix Calculator (2 Stroke)?
Do Chippy Tools or Premix Calculator (2 Stroke) have ads?
Which is updated more often, Chippy Tools or Premix Calculator (2 Stroke)?
Other comparisons















