NeckStrong vs Skill Tree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NeckStrong
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Isometrics Head Exercise is a simple daily routine designed to help relieve neck pain and tension. Just press start and follow the guided 10-minute session — short, gentle isometric movements that strengthen your neck and shoulder muscles without strain. Features: - Guided 10-minute daily routine - Audio cues so you can keep your eyes closed and focus - Track your sessions, streak and total time - Works fully offline — no account required - Available in English, Spanish, French, Hindi, Portuguese, Russian, Chinese and Arabic Perfect for office workers, students, drivers, and anyone who spends long hours looking at a screen.
Skill Tree
Visualize and strategize your Brazilian Jiu-Jitsu game with a custom mind map. Organize skills, highlight areas for focused training, and attach videos to moves. Progress faster by clearly mapping out your martial arts journey.
- Customizable mind map visualization
- Color-coded skill categorization
- Highlighting skills for deliberate training
- Video attachment for moves
- Progress tracking for BJJ game
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Skill Tree is your custom mind map for your BJJ game. Visualize your game with branches and color-coded skills. Strategize and progress quicker by highlighting skills for deliberate training. Simple to use in whatever way is best for you. No need to write out complex verbal descriptions of moves — just add a video (YouTube, Instagram, or Personal Gallery). SUBSCRIPTION INFORMATION Unlock premium features and enjoy the full app experience with our subscription. • Monthly Subscription – $1.99 per month (1 Month) • Yearly Subscription – $15.00 per year (1 Year) Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use: https://www.skilltreebjj.com/terms-and-conditions Privacy Policy: https://www.skilltreebjj.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: NeckStrong at none against Skill Tree's 2. Skill Tree's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 80 months). On price, 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. Skill Tree sells 2 in-app purchases, starting at $1.99 per month. NeckStrong asks for nothing beyond the download.
NeckStrong ships an update every 80 months, Skill Tree every 6 weeks. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.
| Parameter | NeckStrong | Skill Tree |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 80 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 34 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | CloudSpirit Limited | Jeffrey Byles |
In-app purchases
NeckStrong
No in-app purchases
Skill Tree
- Monthly Plan$1.991 Month
- Yearly Plan$14.991 Year









