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Lock In Twin: 1v1 Habits

Weekly goals. Friendly stakes.
Luke Fu · Health & Fitness
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★ 5.00average rating
1ratings
+0new ratings, last 7 days
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Ratings breakdown

★★★★★
100%
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0%
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🔒 Rating history23 days of daily rating and rating countGet Pro access

App info

Developer
Luke Fu
Category
Health & Fitness, Lifestyle
Released
Sep 23, 2026
Version
1.1.8 (Oct 4, 2026)
Price
Free
Size
28.1 MB
Requires
iOS 17.0
Age rating
16+
Languages
English

In-app purchases

3 Re-rolls$1.99
Current prices, App Store US.
🔒 Price history6 snapshots: when prices changed and new plans appearedGet Pro access

About Lock In Twin: 1v1 Habits

Lock in a weekly goal with a friend. Lock In Twin turns a weekly goal into a challenge between you and one friend. Choose your target, pick a punishment deck, and back up your check-ins with photos. Reach your target while your friend falls short, and they do that week’s punishment. PICK YOUR CHALLENGE Gym three times this week? Read on four days? Choose a fitness activity or Reading and agree on the same weekly target. You can have up to three separate challenges, each with one friend. PUT A CARD ON THE LINE Pick four punishment cards and send the challenge. Your friend reviews all four and accepts. Pick three and write one of your own, or pick all four. One punishment gets drawn. The loser has to do it. Your first card is drawn when the challenge starts, so you both know the stakes before checking in. Your friend gets the next turn to pick the deck. Take turns proposing replacements,…
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