Chippy Tools vs NotHole
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
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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.
NotHole
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NotHole helps you protect what matters most—not only your possessions, vehicles and equipment, but also your employees, family members and loved ones. Designed for both businesses and families, NotHole makes it easy to save important locations and share selected alerts with the people who need to know about them. Businesses can help employees remain aware of road hazards, low bridges, flood-prone routes, security concerns and other locations requiring extra care. For families with a new driver, NotHole offers a practical way to share experience and local knowledge. A parent can save locations such as hazardous intersections, flood-prone roads, wildlife crossings or other areas requiring extra caution, then share selected alerts with their trusted family team. With monitoring enabled on the new driver’s device, NotHole can provide a timely reminder as they approach those locations. NotHole also provides a seamless way to avoid potentially costly hazards—such as potholes, low bridges or flooding—and, should an incident occur, store and share important incident details. Save locations associated with hazards, security concerns or places where extra awareness may be needed. With monitoring enabled, NotHole can provide proximity notifications as you approach a saved alert location, giving you a timely reminder to remain aware and take appropriate care. NotHole can help you remember: • Areas where vehicles, tools or equipment may be at greater risk • Road hazards and locations requiring extra caution • Places employees should approach with greater awareness • Locations new drivers, family members or loved ones should remember • Other user-selected areas that matter to you Create a trusted team to collaborate with other NotHole users. Share selected alert locations, invite team members and help everyone remain informed—whether they use Apple or Google sign-in. NotHole puts you in control. You decide which locations to save, which alerts to monitor and which selected locations to share with your team. Awareness cannot prevent every incident, but the right reminder at the right time can help someone make a more informed decision. Protect your most valuable assets with NotHole.
Screenshots
Verdict
The clearest difference is in-app purchases: NotHole at none against Chippy Tools's 10. Chippy Tools's advantage is update cadence (every 8 days vs every 4 weeks). On price, ads, device support and iOS requirement 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. NotHole asks for nothing beyond the download.
Chippy Tools ships an update every 8 days, NotHole every 4 weeks. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.
| Parameter | Chippy Tools | NotHole |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (905 ratings) — better | — |
| Positive reviews | 55.2% of reviews | — |
| Number of ratings | 905 — better | — |
| Update frequency | Every 8 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 46 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Peth Pty Ltd | MICHAEL P KALAF |
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
NotHole
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
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- 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
NotHole
No in-app purchases
Questions
Is Chippy Tools free?
Is NotHole free?
Do Chippy Tools or NotHole have ads?
Which is updated more often, Chippy Tools or NotHole?
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