Comparison

Code Snap vs TwoCycleGas

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Code Snap

Access essential plumbing code data and calculations on the go. This app provides quick access to UPC & IPC tables, water line sizing, and fitting take-offs, streamlining fieldwork for plumbing professionals.

Highlights
  • UPC & IPC code tables
  • Water line sizing calculator
  • DWV & H2O fitting take-offs
  • Interactive results
  • Color-coded data
  • Field-optimized interface
  • Share code and take-off values
Features
Read full description

An all-in-one plumbing reference built for professionals who need fast, reliable code data on the job. Code Snap combines UPC & IPC tables, fitting take-offs, and water line sizing into a single streamlined app designed for real-world use in the field. Quickly access the plumbing data you rely on without digging through books or PDFs. Whether you’re sizing pipe, laying out a system, or verifying clearances, Code Snap provides practical, jobsite-ready reference you can trust. Subscriptions Code Snap offers multiple subscription options, including individual feature access or a single subscription that unlocks all tools. Available options include: • UPC & IPC – Core plumbing tables, data, and code references • Main Line – UPC & IPC water line sizing calculator • Fitting Take Off – DWV & H2O fitting take-off dimensions • Unlock All – Access to all Code Snap features A subscription is required to unlock full access to app content. Features • Quick access to core plumbing tables • Toggle instantly between UPC & IPC • Water main and branch sizing calculations • DWV and H2O fitting take-offs • Interactive instant results • Color-coded per national standards • Editable take-off values • One-handed, field-optimized interface • Share code and take off values What’s Included • Waste, water, and hot water tank sizing • Grease interceptor sizing • Meter, main, vent, and trap arm sizing • Pipe bracing requirements • Fuel gas BTU loads and pipe sizing • Medical gas sizing, codes, and pressures (UPC only) • Roof drain sizing (UPC only) • ADA restroom diagrams and requirements • Interactive wet venting diagrams (vertical and horizontal) Fitting Libraries • No-Hub Cast Iron • ABS & PVC Plastic • Pro-Press Copper • DWV Sweat fittings • H2O Sweat fittings • 90s, 45s, tees, flanges, wyes, combination fittings, fixture crosses, and more Important Note Code Snap is an independent reference tool created for plumbers and plumbing professionals, based on publicly available data and established code principles. It is not affiliated with or endorsed by IAPMO, ICC, or any regulatory authority. Always verify requirements with the Authority Having Jurisdiction (AHJ) for your project. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

TwoCycleGas

Easily calculate precise fuel and oil mixtures for 2-cycle engines. Avoid engine damage with accurate calculations for various equipment. Supports custom ratios and units.

Highlights
  • Fuel and oil mixture calculator
  • Customizable ratios and additives
  • US Gallons and Liters support
  • Fraction or decimal results
  • Saves custom mixtures
Features
Read full description

Take control of your 2-cycle engine maintenance with twoCycle, the comprehensive fuel and oil mixture calculator designed for precision and ease of use. An incorrect fuel mix can damage your engine, but twoCycle ensures you get it right every single time. PERFECT MIXES, EVERY TIME Simply input your fuel amount and ratio to instantly see the exact quantity of oil required. Our clean interface makes calculations effortless, saving you time and preventing costly mistakes. ADVANCED CUSTOMIZATION Full Unit Support: Seamlessly switch between US Gallons (fluid ounces) and Liters (milliliters). Custom Ratio & Additive Library: Go beyond the defaults. Create, save, and manage your own library of custom mixture ratios and additives like fuel stabilizers. The app saves everything for you. Fraction or Decimal Results: Prefer to measure in fractions? The results modal lets you toggle between decimal output and easy-to-read stacked fractions (e.g., 2 1/2 oz). IDEAL FOR ALL YOUR EQUIPMENT Perfect for landscapers, homeowners, and hobbyists using: Chainsaws & Concrete Saws Leaf Blowers & String Trimmers Dirt Bikes, Go-Karts & Mopeds And any other 2-stroke engine! Stop doing math on a notepad. Download twoCycle and mix with absolute confidence.

Screenshots

Code Snap4 screens
TwoCycleGas4 screens

Verdict

The call

The clearest difference is price: Code Snap at Free against TwoCycleGas's $1.99. Code Snap also leads on ratings volume (231 vs 3). TwoCycleGas's advantage is in-app purchases (none vs 14) and rating (5.0 vs 4.7). On update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Code Snap is free to download; TwoCycleGas costs $1.99 up front. Code Snap sells 12 in-app purchases, starting at $0.99 per month. TwoCycleGas asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TwoCycleGas holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Code Snap has 231 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 87% of Code Snap's written reviews are positive against 100% of TwoCycleGas's.

UpkeepUpdate frequency

Code Snap ships an update every 2 months, TwoCycleGas every 5 weeks. Both last shipped on October 22, 2026.

Scorecard7 real differences · 3 level
Code Snap versus TwoCycleGas: the parameters behind the verdict, then further details
ParameterCode SnapTwoCycleGas
PriceFree — better$1.99
Rating4.7 (231 ratings)5.0 (3 ratings) — better
Positive reviews86.7% of reviews100.0% of reviews — better
Number of ratings231 — better3
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionPaid — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.014.0 — better
Further details — not scored
Size77 MB69 MB
Age rating4+4+
DeveloperMagnitude LLCRobert Linser

Customer experience

Code Snap

All ratings231 ratings
Positive93.5%
Neutral2.2%
Negative4.3%
Written reviews15 reviews
Positive86.7%
Neutral0.0%
Negative13.3%

TwoCycleGas

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

12 purchases

Code Snap

Subscriptions12
  • Monthly Access$0.991 Month
  • Monthly Access$2.991 Month
  • Main Line Sizing$8.991 Year
Show 9 more
  • Monthly Access2 variants$9.991 Month
  • Main Line Sizing$9.991 Year
  • UPC / IPC Tables$14.991 Year
  • Monthly Access2 variants$14.991 Month
  • Fitting Take Offs$14.991 Year
  • UPC / IPC Tables$19.991 Year
  • Fitting Take Offs$19.991 Year
  • All Plumbing Tools$29.991 Year
  • All Plumbing Tools$39.991 Year
None

TwoCycleGas

No in-app purchases

Questions

Is Code Snap free?
Code Snap is free to download, with in-app purchases available.
Is TwoCycleGas free?
TwoCycleGas costs $1.99, with no in-app purchases.
Which has better reviews, Code Snap or TwoCycleGas?
TwoCycleGas is rated higher. Code Snap averages 4.7 out of 5 from 231 ratings, while TwoCycleGas averages 5.0 from 3 ratings.
Do Code Snap or TwoCycleGas have ads?
Neither Code Snap nor TwoCycleGas shows ads.
Which is updated more often, Code Snap or TwoCycleGas?
Code Snap ships an update every 2 months, and TwoCycleGas every 5 weeks. Most recently, Code Snap was updated on October 22, 2026 and TwoCycleGas on October 22, 2026.

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