Lateral Lines vs RafterTools+ Dark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lateral Lines
Access detailed river-specific hatch charts, custom maps, and knot guides for anglers. Discover water levels, gear reviews, and suggested fishing patterns to enhance your experience on the water.
- River-specific hatch charts
- Customizable maps
- Knot guides
- Water level information
- Gear reviews
- Suggested fishing patterns
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River specific In Depth Hatch Charts. Custom Maps. Knot Guides. Water Levels. Gear Reviews. Tech Tips. Suggested Patterns. Much More
RafterTools+ Dark
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RafterTools+ Dark: Advanced Roof Framing Geometry, Stereotomy, Trigonometry & Roof Cutting-Framing In the evolving world of carpentry, mastering roof framing requires precision, deep knowledge, and the right tools. RafterTools+ Dark is designed to elevate both apprentices and seasoned carpenters by providing a comprehensive suite of calculators and resources, ensuring confidence and accuracy in every project. To truly thrive as a professional carpenter today, you need more than top-notch equipment—you need digital support. The RafterTools+ Dark app complements your toolkit, empowering you to transition from apprentice to journeyman, or become the most knowledgeable rough frame carpenter on any jobsite. Key Features and Calculators Equal Pitched Hip Roof Calculator Irregular Hip Roof Calculator Octagon Roof Calculator Timber Framing Angles Calculator Polygon Roof Calculator (3-16 sided) Irregular Hip Rafter Angles Calculator Bay Window Rafter Angles Calculator Bay Window Hip Roof Calculator Barrel Dormer Roof Calculator Eyebrow Dormer Roof Calculator Round Tower Roof Calculator Elliptical X-Y Coordinates Calculator Elliptical Hip Rafters Calculator Carpenter’s Calculator Roof Framing Knowledge Base Groin Vault Calculator With Barrel Groin Vaults With Gothic Groin Vaults With Parabolic Groin Vaults Comprehensive Knowledge Base The app includes a searchable roof framing knowledge base with links to over 300 roof framing techniques and more than 800 drawings covering geometry, stereotomy, and trigonometry. These resources make complex concepts accessible and practical for any skill level. The RafterTool+ Dark website has links to help files for each of the calculators. Customizable Controls With flexible control settings, users can adjust the animated blade speed, making it possible to keep up with fast-paced thinking and intricate calculations. This feature ensures the app adapts to your workflow and learning style. Whether you're aiming to perfect your craft or tackle challenging roof designs, RafterTools+ Dark is the digital companion that supports your journey to mastery in carpentry.
Screenshots
Verdict
The clearest difference is price: Lateral Lines at Free against RafterTools+ Dark's $17.99. Lateral Lines also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (13.4 vs 26.0). On ads, in-app purchases and device support 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
Lateral Lines is free to download; RafterTools+ Dark costs $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Lateral Lines ships an update every 4 days, RafterTools+ Dark every 3 weeks. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.
| Parameter | Lateral Lines | RafterTools+ Dark |
|---|---|---|
| Price | Free — better | $17.99 |
| Rating | 4.8 (13 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 131 MB | 47 MB |
| Age rating | 17+ | 4+ |
| Developer | The Portland Fly Shop LLC | Sim Ayers |
In-app purchases
Lateral Lines
No in-app purchases
RafterTools+ Dark
No in-app purchases
Questions
Is Lateral Lines free?
Is RafterTools+ Dark free?
Do Lateral Lines or RafterTools+ Dark have ads?
Which is updated more often, Lateral Lines or RafterTools+ Dark?
Other comparisons
