Bond vs Union Protocol
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bond
This app helps couples explore BDSM and kink dynamics by setting rules, tracking obedience, and managing goals. It offers a secure, private space for communication and accountability, fostering trust and deeper connection within structured relationships.
- Define rules and boundaries
- Track tasks and habits
- Manage rewards and consequences
- Points system for motivation
- Private couples chat
- Goal setting and accountability
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Make your relationship more fun and playful with daily activities and challenges designed for couples. Bond helps partners stay connected through shared activities, daily habits, and progress tracking you build together. Download free and start exploring today. WHAT YOU'LL DO TOGETHER Bond creates a private space for you and your partner to: - Complete daily activities and challenges together - Build shared habits and routines - Track your progress and celebrate milestones - Stay connected with private messaging - See your journey grow over time Perfect for couples who want more fun, better communication, and consistent daily connection. HOW IT WORKS Get Started in Minutes - Connect with your partner instantly - Browse ready-to-play challenges and activities - Create custom activities tailored to your relationship - Complete tasks together - Track your progress and watch your journey grow Create Your Experience - Pre-made challenges and activities - Custom activities you design together - Daily habits and check-ins - Private messaging and real-time sync KEY FEATURES - Activities & Challenges – Pre-made and fully customizable - Daily Habits – Check-ins with reminders - Progress Tracking – See your journey together - Private Chat – Encrypted messaging for partners only - 100% Private – Your data stays between you two WHO BOND IS FOR - Couples wanting to add more fun and excitement - Partners who want better daily communication - Anyone looking for couples activities and challenges - Couples who value privacy and consistent connection Not a dating app—exclusively for committed couples. PRIVATE & SECURE Your relationship is personal. All activities, conversations, and progress stay completely private and encrypted between you and your partner. Privacy Policy: https://sites.google.com/view/kinhub/home Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Union Protocol
Enhance your relationship with shared routines, tasks, and rewards. This app fosters connection and playfulness through daily check-ins, goal setting, and private notes, creating a more intentional rhythm for couples.
- Create shared routines and assign tasks
- Track progress and collect points
- Unlock custom rewards together
- Daily check-ins and partner updates
- Private notes and mood tracking
- Shared goals and reminders
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UNION is a private app for couples who want to bring more structure, connection, and playfulness into their shared everyday life. Create routines, assign tasks, track progress, collect points, and unlock custom rewards together. UNION helps couples stay connected through daily check-ins, shared goals, reminders, and meaningful little rituals that make the relationship feel more present. With features like shared tracking, partner updates, private notes, mood check-ins, rewards, and progress insights, UNION turns ordinary routines into a more engaging couple experience. Designed with privacy and discretion in mind, UNION gives couples a dedicated space for their personal connection. Your moments, messages, and shared progress stay between you and your partner. UNION makes it easy to build habits, celebrate small wins, stay emotionally aligned, and create a more intentional rhythm together. Union can be explored for free, with Tasks, Rituals, and Punishments available without a Premium subscription. Access to additional features requires Union Elite. Elite is available as a weekly, a monthly, or a yearly subscription. The yearly subscription includes a 2-week free trial, allowing users to explore the Premium features before being charged. Subscriptions will automatically renew unless cancelled within 24-hours before the end of the current period. You can cancel anytime with your iTunes account settings. Any unused portion of a free trial will be forfeited if you purchase a subscription. - Terms Of Use (EULA):https://www.union-relationship.app/terms - Privacy Policy: https://www.union-relationship.app/privacy - Support: https://www.union-relationship.app/contact
Screenshots
Verdict
The clearest difference is rating: Union Protocol at 4.8 against Bond's 4.0. Union Protocol also leads on in-app purchases (none vs 3) and device support (3 vs 1). Bond's advantage is update cadence (fortnightly vs every 6 weeks) and ratings volume (20 vs 6). On price, ads and monetization model 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. Bond sells 3 in-app purchases, starting at $6.99 per month. Union Protocol asks for nothing beyond the download.
Union Protocol holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 20 and 6 respectively.
Bond ships an update fortnightly, Union Protocol every 6 weeks. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.
| Parameter | Bond | Union Protocol |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (20 ratings) | 4.8 (6 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 20 — better | 6 |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 83 MB | 121 MB |
| Age rating | 17+ | 17+ |
| Developer | Zeus Innovations LLC | Accord Studios Ltd. |
Customer experience
Bond
Union Protocol
In-app purchases
Bond
- Monthly subscription3 Days trial$6.991 Month
- 3 Months Subscription3 Days trial$14.993 Months
- All Access7 Days trial$29.991 Year
Union Protocol
No in-app purchases









