SlopeReader vs All Squared
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SlopeReader
This tool helps golfers measure green slopes with precision using their iPhone. It provides real-time visual feedback on pitch and roll, aiding in green reading and building Aimpoint Express techniques. The app works offline and offers smart calibration for accurate readings.
- Real-time bubble level for slope visualization
- Multiple units: Percent, Degrees, Radians
- Smart calibration for phone cases
- Directional indicators for slope direction
- Completely offline functionality
- Always-on display for continuous measurement
- Instant 60Hz sensor updates
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SlopeReader transforms your iPhone into a precision slope measurement tool designed specifically for golfers who use the Aimpoint Express green reading system. MEASURE SLOPE WITH PRECISION Place your phone flat on the green and instantly see the slope in real-time. The intuitive bubble level interface shows both forward/backward slope (pitch) and left/right slope (roll) with directional arrows pointing downslope. Perfect for: • Learning what different slope percentages feel like • Validating your green reading on practice greens • Building muscle memory for Aimpoint Express stances • Understanding break on challenging greens KEY FEATURES • Real-Time Bubble Level: Visual feedback with a moving bubble that shows slope direction and magnitude • Multiple Units: Switch between Percent (default), Degrees, and Radians • Smart Calibration: Account for your phone case or camera bump - calibrate once and it remembers • Directional Indicators: Color-coded arrows show which way the green slopes • Completely Offline: No internet required, works anywhere on the course • Always-On Display: Screen stays active while measuring slopes • Instant Readings: 60Hz sensor updates for smooth, responsive measurements HOW IT WORKS 1. Place your iPhone flat on the green at your ball position 2. Wait for the bubble to stabilize 3. Read the slope percentage and direction from the display 4. Use with your Aimpoint Express technique to find your aim point The calibration system ensures accurate readings even with a phone case. Simply calibrate on a known level surface once, and the app remembers your offset. PERFECT FOR PRACTICE Use SlopeReader on the practice green to: • Feel what 1%, 2%, 3% slopes actually feel like with your feet • Verify your slope reading accuracy • Build confidence in your green reading before competition • Train your perception to match reality DESIGNED FOR GOLFERS Built by golfers, for golfers. Simple, focused, and designed for real-world use on the course. No accounts, no subscriptions, no ads - just a tool that works. Whether you're learning Aimpoint Express or refining your green reading skills, SlopeReader gives you the precise measurements you need to improve your putting. Download SlopeReader and start reading greens like a pro.
All Squared
Organize golf trips and track scores with friends. Features live scoring, various game modes, side bets, and detailed stats. Manage entire trips or quick rounds seamlessly.
- Live scoring for golf groups
- Multiple game modes (Best Ball, Singles, etc.)
- Side bet tracking (Low Gross, Low Net, Skins)
- Multi-round golf trip planning
- Official handicap and stats tracking
- Course rating and personal map
- Group messaging
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All Squared is the easiest way to run a golf trip with your buddies. Live scoring, games, side bets, stats, and group messaging, all in one app. GAME MODES FOR EVERY GROUP Score any format your foursome dreams up: Best Ball, Singles, 20 Ball, and 6 Point. All Squared does the math automatically — scores and standings update live on every phone in the group. SIDE BETS, HANDLED Add Low Gross, Low Net, and Skins to any round and let the app keep the tally. When the round's over, All Squared shows exactly who owes who. QUICK ROUNDS OR FULL TRIPS Playing nine after work? Start a Quick Round in seconds. Planning the bachelor weekend? Spin up a multi-round golf trip with courses, tees, and games across every round. STATS THAT ACTUALLY MATTER Track your official handicap, W-L-T record, and career earnings. Know exactly how you stack up against your friends. WHAT'S IN THE BAG Build out your bag — driver to putter — and show off your setup on your profile. COURSES Rate courses and watch your personal map fill in with every course you've played as you tee it up around the country. Built for the annual guys' trip. Get everyone signed up, tee off, and let All Squared handle the rest. Why "All Squared"? When a game is tied, you're all squared. When everyone's paid up, you're all squared. This app handles both.
Screenshots
Verdict
The clearest difference is update cadence: SlopeReader at daily against All Squared's every 10 days. All Squared's advantage is iOS requirement (15.0 vs 17.6). On price, rating, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for SlopeReader against 5.0 for All Squared. Both are backed by a comparable volume of ratings — 3 and 4 respectively.
SlopeReader ships an update daily, All Squared every 10 days. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.
| Parameter | SlopeReader | All Squared |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (4 ratings) |
| Number of ratings | 3 | 4 — better |
| Update frequency | Daily — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 30 MB |
| Age rating | 4+ | 12+ |
| Developer | Stephen Lee | ANDREW THOMAS HILL |
Customer experience
SlopeReader
All Squared
In-app purchases
SlopeReader
No in-app purchases
All Squared
No in-app purchases









