Comparison

Putt Maker vs Slopegraide

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

Head to head
About

Putt Maker

This app helps golfers master green reading by using device sensors to reveal hidden slopes and contours. Visualize break direction and severity to plan your putts with confidence and improve your game.

Highlights
  • Gyroscope-based slope detection
  • Precision needle indicator for slope direction
  • Color-coded ring for break severity
  • Real-time topography measurements
  • Customizable artistic golf course backgrounds
  • AI-generated unique backgrounds
Features
Read full description

Reading the break of a green is the skill that separates the pro golfers from the amateurs. Unfortunately, many greens are deceptive, appearing to break and then not or appearing level and then breaking. PuttMaker helps you master this critical skill, make more putts, and lower your golf score. Master Green Reading Like a Pro Using PuttMaker is simple yet powerful. Leveraging your device's advanced gyroscope, PuttMaker reveals the hidden contours of the green that your eyes can't see. Place your device on the green and instantly see: • The exact direction of the slope with a precision needle indicator • The severity of the break with a color-coded ring (green for subtle breaks, red for extreme slopes) • Real-time measurements that give you the complete picture of the green's topography Take one measurement or several to map the entire putting surface and plan your line with confidence. Beautiful, Customizable Backgrounds Practice doesn't have to be boring. Choose from stunning golf course backgrounds in four styles—Sketch, Animation, Illustration, or Photorealistic—each available in light and dark themes, with several scenes per style so you get a fresh view every time you open the app. Free to Use, Easy to Upgrade PuttMaker is completely free to download and use, supported by discreet banner ads. For an uninterrupted, ad-free experience, upgrade with a one-time $0.99 purchase. Already own PuttMaker? If you purchased the app before it became free, you've been automatically upgraded to the premium ad-free version at no additional cost—our way of thanking our loyal supporters. Perfect For  • Weekend golfers looking to improve their putting • Serious players seeking a competitive edge • Golf enthusiasts who want to understand green reading • Anyone tired of three-putting Lower your scores. Read greens like a pro. Download PuttMaker today.

About

Slopegraide

Enhance your golf game with this 3D green reader and visual trainer. It uses physics and geometry to guide your aim and putt speed, eliminating the need for traditional green books. Improve your confidence and break through to better putting performance.

Highlights
  • 3D virtual ball rolling simulator in AR
  • Augmented reality slope measurements
  • Animated 3D putt and putting stroke models
  • Color-coded distance control charts
  • Recommended start lines and backstroke length
  • Customizable putting tempo
Read full description

Read putts like the pros with Slopegraide, your personal training app for green reading and putting!   Our app uses a combination of physics and geometry to show you approximately where to aim and how soft or firm to hit your putt! No more greens books or arrows to sort through. Consistently misreading the break and speed of putts is now a thing of the past. Build your confidence in your green reading and putting, take advantage of the great shots you hit on the green, and create breakthroughs in your game! FEATURES • *NEW Course Mode - Sharpen your visualization skills with our new revolutionary, patent pending, virtual ball rolling simulator that displays 3D greens from any course in our database in life-sized form in augmented reality, allowing you to see how balls will break as if you are standing right there on the green! You can set the hole location anywhere on the green, see how many paces the pin is from the edges of the green, roll virtual balls on different green speeds, and experience how they interact with the hole and/or flagstick. • **NEW and IMPROVED Slopegraide AR - Quickly roll virtual balls and capture slope measurements with a single tap and see exactly how your putt will break in augmented reality! • *NEW 3D Putt Model - Displays a 3D animated rolling model of any putt inside 30 feet in augmented reality, giving you a 1st person point-of-view (POV) angle showing you the rolling arc of your putt and distance timelines that help you visualize the rolling speed of putts. • *Roll Maps - Our popular color-coded charts that trains your distance control and feel on the greens quickly. Contains both a Training Mode and Tournament Mode that conforms to the Rules of Golf. • *Putting Stroke Model - Displays an animated visual model of an optimal putting stroke for any putt inside 100 feet, complementing reads of your putts with speed control at the press of a button. • *Life-Sized Putting Stroke Model (iPads only) - Our putting stroke model with the golf ball and putter enlarged to their life size, so you can follow the putter being animated on the screen, giving you an accelerated path to hitting putts at optimal speed! • *Classic Mode - Displays recommended start lines based on conservative or aggressive putting styles. This feature accommodates players that prefer to hit putts at dead weight and players that like to aggressively run putts past the hole. • Four Display Modes to accommodate any green reading style: - Slope Percentage - *Recommended start Lines displayed in inches or feet (Imperial) - *Recommended start Lines displayed in centimeters or meters (Metric) - Slope Degrees • *Displays Backstroke Length that tells you how far back to take your putter to create optimal speed of your putts every single time • *Customizable Putt Tempo - Find the putting stroke pace (46 bpm to 85 bpm) that works best for you! • *Our Slopegraide smart ball marker can be used with your Apple Watch without having your iPhone nearby! • *Uphill / Downhill support up to 1 foot each way • *Supports green speeds between 6 and 15 on the Stimpmeter (incremented by 0.5) • Trains the four most important elements; green reading, start line, speed control, and visualization; improving your putting in just a few minutes! *An annual Slopegraide Premium in-app subscription are required for full functionality of this app. Please go to http://www.slopegraide.com to purchase your ball marker. ** Slopegraide AR requires an annual Slopegraide Premium in-app subscription and requires LiDAR that is supported by only the following devices: iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 15 Pro, iPhone 15 Pro Max, iPad Pro devices from 2020 and later.

Screenshots

Putt Maker4 screens
Slopegraide4 screens

Verdict

The call

The clearest difference is rating: Slopegraide at 4.2 against Putt Maker's 3.7. Slopegraide also leads on review sentiment (88% vs 50%) and update cadence (weekly vs every 10 months). Putt Maker's advantage is monetization model (ad-supported vs free with in-app purchases). On price, 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. Putt Maker sells 1 one-off in-app purchase and Slopegraide sells 5 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Slopegraide holds the better App Store score, 4.2 against 3.7. That said, the two scores are not equally well evidenced: Slopegraide has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Putt Maker's written reviews are positive against 88% of Slopegraide's.

UpkeepUpdate frequency

Putt Maker ships an update every 10 months, Slopegraide weekly. The most recent releases landed on September 17, 2026 and July 7, 2026 respectively.

Scorecard7 real differences · 3 level
Putt Maker versus Slopegraide: the parameters behind the verdict, then further details
ParameterPutt MakerSlopegraide
PriceFreeFree
Rating3.7 (3 ratings)4.2 (20 ratings) — better
Positive reviews50.0% of reviews87.5% of reviews — better
Number of ratings320 — better
Update frequencyEvery 10 monthsWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS26.016.0 — better
Further details — not scored
Size18 MB282 MB
Age rating4+4+
DeveloperDigitalSandbox, LLCJeffrey David Golf, LLC

Customer experience

Putt Maker

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Slopegraide

All ratings20 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

In-app purchases

1 purchases

Putt Maker

One-time1
  • Remove Ads$0.99
5 purchases

Slopegraide

Subscriptions2
  • Slopegraide Premium (1-Month)$9.991 Month
  • Slopegraide Premium (1 Year)7 Days trial$99.991 Year
One-time3
  • Roll Maps (1 Month)$9.99
  • Roll Maps (1 Year)$49.99
  • Slopegraide Premium (Lifetime)$299.99

Questions

Is Putt Maker free?
Putt Maker is free to download, with in-app purchases available.
Is Slopegraide free?
Slopegraide is free to download, with in-app purchases available.
Which has better reviews, Putt Maker or Slopegraide?
Slopegraide is rated higher. Putt Maker averages 3.7 out of 5 from 3 ratings, while Slopegraide averages 4.2 from 20 ratings.
Do Putt Maker or Slopegraide have ads?
Both Putt Maker and Slopegraide show ads.
Which is updated more often, Putt Maker or Slopegraide?
Putt Maker ships an update every 10 months, and Slopegraide weekly. Most recently, Putt Maker was updated on September 17, 2026 and Slopegraide on July 7, 2026.

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