TenDotNine vs OpenSlope
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TenDotNine
This training companion for ISSF shooting sports athletes offers professional-grade analytics and performance tracking. It visualizes score progression, analyzes consistency, and correlates performance with mood and focus, all while ensuring 100% data privacy on your device.
- Decimal precision shot scoring
- Interactive score progression charts
- Consistency pattern analysis
- Mood and condition correlation
- Offline data privacy
- Support for all ISSF disciplines
- Premium custom discipline creation
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Transform your shooting performance with TenDotNine, the premier training companion for ISSF shooting sports athletes. Built by shooters for shooters, our app provides professional-grade analytics while keeping your data 100% private on your device. - WHY CHAMPIONS CHOOSE TENDOTNINE Whether you're training for the Olympics, preparing for competitions, or pursuing personal excellence, TenDotNine gives you the edge with comprehensive performance tracking and actionable insights. - PROFESSIONAL ANALYTICS Track every shot with decimal precision scoring Visualize score progression with interactive charts Analyze consistency patterns and identify areas for improvement Monitor score distributions and grouping patterns Correlate performance with mood, focus, and physical condition - ALL ISSF DISCIPLINES SUPPORTED 10m Air Rifle & Pistol 50m Rifle (3 Positions & Prone) 25m Pistol (Standard & Rapid Fire) 50m Pistol Trap & Skeet Custom discipline creation (Premium) - CORE FEATURES Quick Shot Entry - Record scores with one-tap quick input or manual entry Session Tracking - Log training type, weather conditions, and session notes Streak Monitoring - Stay motivated with training consistency tracking Mood & Condition - Track how physical and mental state affects performance Instant Statistics - View averages, totals, and trends at a glance - YOUR PRIVACY, GUARANTEED Unlike other apps, TenDotNine works 100% offline. No account required, no internet connection needed, no data leaves your device. Your training data is yours alone. - PREMIUM FEATURES Unlock your full potential with TenDotNine Premium: Unlimited training sessions (Free: 5/month) Advanced analytics with 365-day history Shot placement visualization Performance correlation analysis Automatic iCloud backup Custom disciplines Priority support - DESIGNED FOR SERIOUS SHOOTERS Clean, distraction-free interface Fast data entry between series Works perfectly at the range (no internet required) Professional-grade analytics used by champions Regular updates based on athlete feedback - PERFECT FOR: Olympic & Paralympic athletes ISSF competition shooters University shooting teams Junior development programs Coaches tracking multiple athletes Serious recreational shooters Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
OpenSlope
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SKI SMARTER, STAY TOGETHER You arrive at a new resort, it’s dumping snow, visibility is… questionable, and everyone in your group swears they “know the way.” OpenSlope is the friend who actually does. Open it up and you get ski maps that feel alive—satellite detail with topo lines so you can read the mountain, see what’s steep, what’s mellow, and where that “easy” run suddenly turns into a leg-burner. You can check elevation profiles and slope insights when you’re deciding whether to send it… or save your knees for après. And the best part: once the map is loaded, it’s yours. No signal? No problem. Chairlift Wi-Fi not working? Shocking. OpenSlope keeps going offline. Now for the real reason you’ll love it: your crew. Share a simple code, and your friends pop onto the map as colorful markers—so you know who’s already at the lift, who took a “shortcut,” and who’s somehow stopped in the middle of nowhere. It keeps updating even when your phone is locked, and for privacy, locations fade out automatically after 15 minutes. No awkward “why are you still watching my dot?” moments. OpenSlope is built for ski days: accurate tracking, smooth navigation, battery-friendly in the background, and it works at resorts worldwide. No account, no drama—just open the app and ride. Perfect for day trips, exploring bigger mountains, and keeping tabs on your ski buddies when the plan inevitably changes.
Screenshots
Verdict
The clearest difference is in-app purchases: OpenSlope at none against TenDotNine's 2. TenDotNine's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price 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. TenDotNine sells 2 in-app purchases, starting at $5.99 per month. OpenSlope asks for nothing beyond the download.
| Parameter | TenDotNine | OpenSlope |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | — | Every 6 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 35 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Foes | Pablo Gimenez |
In-app purchases
TenDotNine
- Monthly$5.991 Month
- Yearly$29.991 Year
OpenSlope
No in-app purchases








