Tai Chi Math vs Trajectory
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Tai Chi Math
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Feel the Logic in Your Bones. Mathematics is often seen as purely cerebral, but Movement Math operates on a different premise: true understanding happens when the mind and body align. We have distilled algebraic principles into nine essential, flowing postures. This isn't just exercise, and it isn't just studying; it's a moving meditation where you physically experience the transformations of math. When you feel the operators in your own posture, the abstract becomes intuitive. It all just makes sense.
Trajectory
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Trajectory focuses on long-term direction instead of daily noise, so you can stay consistent without overreacting. TRACK YOUR WEIGHT EFFORTLESSLY ⢠Log your weight in seconds ⢠Supports kg and lbs ⢠Full history STAY ON COURSE ⢠Set a target weight and deadline ⢠See your personal trajectory line ⢠Know exactly where you should be today UNDERSTAND YOUR BODY ⢠BMI tracking with instant feedback ⢠7-day trend to spot momentum ⢠Progress toward your goal CLEAN & FOCUSED ⢠No subscriptions. Free. ⢠Beautiful chart that tells the whole story Trajectory doesn't judge. It doesn't nag. It just shows you the path, and whether you're on it.
Screenshots
Verdict
The clearest difference is device support: Tai Chi Math at 4 against Trajectory's ā. Tai Chi Math also leads on iOS requirement (15.0 vs 18.5). On price and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Tai Chi Math | Trajectory |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | ā |
| Ads | No | ā |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Mac ā better | ā |
| Requires iOS | 15.0 ā better | 18.5 |
| Further details ā not scored | ||
| Size | 158 MB | 2 MB |
| Age rating | 4+ | 17+ |
| Developer | Mind Body Aware Games LLC | Mathieu Bonte |
In-app purchases
Tai Chi Math
No in-app purchases
Trajectory
No in-app purchases









