Under Siege vs RankZero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Under Siege
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Under Siege turns workouts into epic battles. Defend your outpost on the edge of the Shadow Lands. Every push-up, squat, sit-up, and pull-up strikes the monsters at your gate. Subscription required. Under Siege is a subscription app. After onboarding, a purchase (or a 3-day free trial on the yearly plan) is required to access the full game. That includes all enemies, all four workout types (push-ups, squats, sit-ups, pull-ups), custom workouts, progress, and in-game rewards. Prop up your phone, face the camera, and fight. On-device pose tracking counts your reps so each set damages the enemy. Level up, earn gold, heal with potions, and climb a ladder of foes from training dummies to the lich demigod himself. Miss a killing blow and you retreat with 1 HP, then heal up and take the outpost back. Included with subscription: • Camera-based rep counting for push-ups, squats, sit-ups, and pull-ups • Story-driven campaign: hold the outpost against rising raids from the Shadow Lands • XP, gold, levels, potions, and a daily streak that keeps you coming back • Custom workouts: choose the exercise, sets, reps, and enemy art • Share victory cards and short fight clips after a win • Light and dark themes, daily reminders, and haptics on every counted rep • Progress stays on your device. No account required to play Privacy Policy: https://apps-that-care.com/under-siege/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
RankZero
Build discipline through daily habits and track your progress with a unique character leveling system. Engage in guided skill sprints and compete with friends in weekly leagues. Offers a free tier with core features and a Pro subscription for advanced tools.
- Daily habit tracking
- Streak building
- Gamified character progression
- Guided skill sprints
- Friend accountability and leagues
- Forgiveness mechanic for missed days
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Most people drift. You are done drifting. RankZero is a discipline app for people who are done making excuses. Pick three non-negotiables, hold them every single day, and build a streak you refuse to break. Your future self is a character you level up one disciplined day at a time. No fluff. No streak-shaming gimmicks. Just the standard, held daily. THE DAILY LOOP - Choose three non-negotiables that actually matter (train, read, no feed before noon, cold shower, whatever your standard is) - Check them off, report back, and tick your streak - A built-in forgiveness mechanic means one missed day never wipes you out BUILD YOUR FUTURE SELF - Your character evolves as you level up, from a dormant form all the way through eleven forms of ascension - Earn XP every day you hold the line - Share your rank card when you hit a milestone GUIDED JOURNEYS - Escalating skill sprints that ramp a single discipline day by day (deep work, stillness, daily movement) - Hit the day's target to advance. Miss it and the day holds. No skipping. - Finish to earn a badge and a reward STAY ACCOUNTABLE - Add friends by handle or code and compare streaks - Climb a weekly league against other people holding the standard - You stay a pseudonym. Friends only ever see your streak and level, never your habits or reflections. NEVER LOSE YOUR PROGRESS - Sign in with Apple to back up your streak, level, and character to your account - Switch phones and pick up exactly where you left off - Hide My Email supported, so you can stay private RANKZERO PRO The daily loop and your squad are free forever. Pro unlocks the deep climb: - Your character, all the way through every evolution - The full AI coach, tuned to your reason for starting - Focus timer and the weekly gauntlet - Every guided journey - Level-up clips of your evolved form Pro is an auto-renewing subscription. A free trial is available. Price shown in-app; it renews until canceled, and you can cancel anytime in your Apple account settings. Comfort is a slow way to lose. Build the streak. Become the man. RankZero is a product of OriKone LLC. Privacy: https://rankzeroapp.com/privacy Terms: https://rankzeroapp.com/terms
Screenshots
Verdict
The clearest difference is in-app purchases: RankZero at none against Under Siege's 2. On price, update cadence, ads and device support 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. Under Siege sells 2 in-app purchases, starting at $5.99 per month. RankZero asks for nothing beyond the download.
Under Siege ships an update every 2 days, RankZero every 3 days. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.
| Parameter | Under Siege | RankZero |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days — better | Every 3 days |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 151 MB | 303 MB |
| Age rating | 12+ | 12+ |
| Developer | Apps That Care OU | OriKone LLC |
In-app purchases
Under Siege
- Under Siege Premium (Monthy)$5.991 Month
- Under Siege Premium (Yearly)3 Days trial$29.991 Year
RankZero
No in-app purchases









