Comparison

Graph Paper Pro vs Deck Flows

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

Head to head
About

Graph Paper Pro

Create precise geometric and 3D drawings on digital graph or dot paper. Features include anchored lines, shape filling with color, and customizable paper styles. Export your creations as PNGs with various background options, including transparency.

Highlights
  • Anchored lines with snap precision
  • Solid and gradient shape filling
  • Customizable graph and dot paper
  • Freehand drawing with 'Draw Behind' toggle
  • Unlimited undo/redo
  • PNG export with transparency option
Features
Read full description

Draw like you're on real graph paper, only faster. Graph Paper Pro is a focused workspace for building geometric and 3D drawings on graph or dot paper. Place anchored lines that snap with precision, fill closed shapes with solid or gradient color, and finish with clean PNG exports. Why this app - Built for people who love drawing on graph paper: 3D doodles, optical illusions, cubes, isometric-style sketches, and clean diagrams. - iPhone, iPad, and Mac support. Apple Pencil works with the included freehand tools. - Offline-first. No sign-up, no internet required. Tools that ship - Line, Fill, Eraser, and Freehand tools with a simple drawing workspace. - Snap and precision controls for confident placement. - Fill supports solid and gradient colors on closed shapes. - Draw Behind mode for the freehand tool to sketch under your shapes. - Unlimited undo/redo. - Sample projects to learn techniques fast. Paper you control with Pro - Switch between graph or dot paper. - Customize paper color, grid line color/thickness, dot color/size, and drawing line widths. - Create unlimited projects. - Unlock all export styles. Export - Export on a solid background, with grid/dots showing, or transparent PNG. - Share straight from the export sheet. Pricing - Free: up to 3 projects, limited customization, and basic export. - Pro Monthly: $3.99/month. - Pro Annual: $19.99/year with a 7-day free trial for eligible new subscribers. - Pro Lifetime: $49.99 one-time purchase. Existing buyers of the original $9.99 lifetime unlock keep Pro forever and do not need to subscribe. Subscription terms Payment is charged to your Apple Account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. You can manage or cancel subscriptions in your App Store account settings. Feedback & Support: https://forms.gle/YX3prmEVkRtfS16U6 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Deck Flows

Design custom decks in 2D and 3D, then get material estimates. Plan stairs, railings, and posts, and visualize your backyard projects. Pro features offer advanced design options and client proposal generation.

Highlights
  • 2D and 3D deck planning
  • Material quantity estimation
  • Custom stair and railing design
  • Client proposal generation (Pro)
  • Import and export project files
  • Guided planning lessons
Features
Read full description

Design your deck in 2D, explore it in 3D, and estimate the materials before you build. Deck Flows brings deck planning and estimating together for deck contractors and DIY deck builders. PLAN YOUR OWN DECK Draw a custom layout, enter dimensions, and see how stairs, railings, posts, beams, and finishes fit together. Compare ideas for your backyard and review material quantities as your design takes shape. PREPARE YOUR NEXT CLIENT PROJECT Show clients the deck in 3D. With Deck Flows Pro, reuse your material and labor prices, account for waste and profit margin, and prepare branded estimates and proposal PDFs from the same project. START WITH FREE BASIC TOOLS • Save up to three projects • Design one deck with custom stair landings in 2D and 3D • Add straight, L-shaped, and U-turn stairs • Plan standard baluster railings, beams, and support posts • Explore framing views and review a materials takeoff • Import and export project files • Follow guided lessons for core planning tools EXPAND YOUR WORKFLOW WITH DECK FLOWS PRO • Save unlimited projects and design multi-level decks • Add covered-deck and roof designs • Plan wraparound stairs and straight-stair landings • Explore cable, rod, and curved railings • Save reusable material prices, labor rates, and custom items • Add your company details and branding • Prepare client estimates, scopes, exclusions, and payment terms • Export material lists and branded proposal PDFs • Review deck, joist, beam, footing, and railing sheets in Pro Blueprint Pro features require a paid subscription. Basic tools are available without a subscription. Made for iPad, with landscape support on iPhone. Deck Flows is a planning and estimating aid. Verify quantities, dimensions, site conditions, structural requirements, and local building codes before purchasing materials or building. Pro Blueprint sheets are planning references, not certified or permit-ready construction documents. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Graph Paper Pro4 screens
Deck Flows4 screens

Verdict

The call

The clearest difference is rating: Deck Flows at 5.0 against Graph Paper Pro's 4.1. Deck Flows also leads on review sentiment (100% vs 67%) and update cadence (every 2 days vs every 5 days). On price, ratings volume, ads and in-app purchases 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

Both are free to download. Graph Paper Pro sells 4 in-app purchases, starting at $3.99 per month and Deck Flows sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Deck Flows holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 14 and 5 respectively. Written reviews point the same way: 67% of Graph Paper Pro's written reviews are positive against 100% of Deck Flows's.

UpkeepUpdate frequency

Graph Paper Pro ships an update every 5 days, Deck Flows every 2 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Graph Paper Pro versus Deck Flows: the parameters behind the verdict, then further details
ParameterGraph Paper ProDeck Flows
PriceFreeFree
Rating4.1 (14 ratings)5.0 (5 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings14 — better5
Update frequencyEvery 5 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.0
Further details — not scored
Size62 MB17 MB
Age rating4+4+
DeveloperDigital Palette LLCJoistline Labs LLC

Customer experience

Graph Paper Pro

All ratings14 ratings
Positive78.6%
Neutral0.0%
Negative21.4%
Written reviews12 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Deck Flows

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Graph Paper Pro

Subscriptions2
  • Monthly$3.991 Month
  • Annual7 Days trial$19.991 Year
One-time2
  • Graph Paper Pro Lifetime Unlock$9.99
  • Lifetime$49.99
2 purchases

Deck Flows

Subscriptions2
  • Deck Flows Pro Monthly$12.991 Month
  • Deck Flows Pro Annual$119.991 Year

Questions

Is Graph Paper Pro free?
Graph Paper Pro is free to download, with in-app purchases available.
Is Deck Flows free?
Deck Flows is free to download, with in-app purchases available.
Which has better reviews, Graph Paper Pro or Deck Flows?
Deck Flows is rated higher. Graph Paper Pro averages 4.1 out of 5 from 14 ratings, while Deck Flows averages 5.0 from 5 ratings.
Do Graph Paper Pro or Deck Flows have ads?
Neither Graph Paper Pro nor Deck Flows shows ads.
Which is updated more often, Graph Paper Pro or Deck Flows?
Graph Paper Pro ships an update every 5 days, and Deck Flows every 2 days. Most recently, Graph Paper Pro was updated on November 9, 2026 and Deck Flows on October 31, 2026.

Other comparisons