PerfectLine vs Calm Golf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PerfectLine
This app provides a real-time putting line guide for golfers. It uses your device's camera to scan the green and overlay a visual guide to help improve your putting accuracy.
- Real-time putting line guide
- Scan green for putting line
- Improves putting accuracy
- Works on iPhone 12+ and iPad (2021+)
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Scan on the green for putting line guide Best putting guide in real-time Available Devices: iPhone 12 + iPad (2021+) We use your data to track advertising performance and deliver personalized ads tailored to your interests. By downloading this app, you agree to the Terms of Use: [https://www.apple.com/legal/internet-services/itunes/dev/stdeula/](https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)
Calm Golf
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Anger and frustration are costing you strokes. Calm Golf helps you stay composed, think clearly, and play better under pressure. Golf isn’t just physical—it’s mental. Every shot requires focus, decision-making, and emotional control. When frustration takes over, your judgment suffers and your swing follows. Calm Golf gives you the tools to stay in control: • Track your composure after every shot • Recognize patterns in frustration and performance • Reset between shots with simple mental techniques • Stay focused when it matters most Instead of reacting emotionally, you learn to respond with clarity and control. Over time, you’ll: • Make better decisions • Execute more consistently • Enjoy the game more Stay calm. Stay in control. Play better golf.
Screenshots
Verdict
The clearest difference is ads: Calm Golf at none against PerfectLine's shown. PerfectLine's advantage is update cadence (every 9 days vs every 4 months). On price, in-app purchases, device support and iOS requirement 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. PerfectLine sells 20 in-app purchases, starting at $9.90 per month and Calm Golf sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
PerfectLine ships an update every 9 days, Calm Golf every 4 months. Both last shipped on October 30, 2026.
| Parameter | PerfectLine | Calm Golf |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (6 ratings) — better | — |
| Positive reviews | 87.9% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 9 days — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 115 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | LineMatics Inc. | Gordon Thomson |
In-app purchases
PerfectLine
- Premium_Monthly3 Days trial$9.901 Month
- Pro_Monthly3 Days trial$19.901 Month
- Coach_monthly$39.901 Month
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- CoachMax_monthly$79.901 Month
- Premium_Yearly7 Days trial$99.001 Year
- Pro_Yearly3 Days trial$199.001 Year
- Coach Yearly$399.001 Year
- CoachMax Yearly$799.001 Year
- $1 후원$1.00
- 100 Credits$1.99
- 1-Day Membership (Premium)$2.99
Show 9 moreShow fewer
- $5 후원$5.00
- 1-Day Membership (Pro)$5.99
- 550 Credits$9.99
- $10 후원$10.00
- $20 후원$20.00
- 3300 Credits$49.99
- $50 후원$50.00
- 10000 Credits$99.99
- $100 후원$100.00
Calm Golf
- Unlock Calm Golf$5.99
