Rizin

Rizin is an AI personal trainer that builds a workout and nutrition plan around your goals, your equipment, and your injuries, then keeps that plan current as you log what you actually did. It runs as a web app and an iPhone app. The pitch is a plan that manages itself, with a coach you can talk to at any hour who knows your training history, your meals, your allergies, and the knee you're trying not to aggravate. It comes from Rizin App LLC, whose stated mission is to democratise personal training, and the price is set against what a human trainer charges by the hour.

The problem it goes after is the scattered state of fitness software. Workouts live in one app, meals in another, recovery in a wearable's dashboard, and none of them know about each other or about the injury that changed everything last month. Static template plans don't notice that you missed a week or that your reps are getting harder. Rizin's founder describes building it because fitness shouldn't feel spread across five apps, and the product reads as one connected plan where every workout, meal, and check-in feeds the next version. That's the gap it's trying to close, a single plan that knows the whole picture.

It starts with a short setup conversation about goals, schedule, and injuries, after which the coach produces a plan covering workouts, schedule, and nutrition. From then on a Daily Brief shows the day's workout, calorie and macro targets, a recovery insight, and the next recommended action. Workouts are guided set by set with rest timers, form cues, and rep targets that progress automatically. Logging meals is meant to be low effort, with food and restaurant search, barcode scanning, a photo Meal Scan, a two-tap Quick Add, and an AI Log where you just tell the coach what you ate, with photo and restaurant estimates editable before saving. Rizin Fuel scans a product in a store and gives it a goal-aware verdict. Progress photos, personal record tracking, and a calendar view sit beside the dashboard. At the end of each week a Weekly Review shows what improved and what needs attention, with the reasoning spelled out, and Rizin Autopilot prepares plan adjustments from that data, applying some automatically and holding others for your approval.

It's for people who want personal training without paying for a person, which the site frames against the $80 to $150 an hour a trainer costs. Beginners get a plan they can follow, and the Pro tier's advanced splits, volume tracking, and body composition phases are aimed at experienced lifters. It covers strength, yoga, pilates, and prenatal training in one adaptive plan, and the site's plan library covers weight loss, beginners, muscle gain, busy schedules, knee injuries, and home workouts, which is a fair map of who it expects to sign up. The injury handling is a particular focus, with the plan working around an injury rather than stopping.

The difference from a workout app or a calorie counter is that the coach takes action. Chat can log a meal, swap an exercise, or change the plan instead of just answering questions, and the whole system is injury and diet aware by default. The Weekly Review's clear reasoning is a small but telling choice, since it explains why each recommendation appears rather than just changing the numbers, and Autopilot keeps you in the loop for the changes that matter. The blood work feature on Pro, which tunes workouts, nutrition, and supplements from uploaded labs, and the goal-aware food verdicts go further than most consumer apps. The site describes the product as private by design.

The limits are honest ones. It's a young product, and the iPhone app is new. Photo and restaurant nutrition are estimates, as the site says. Chat messages are capped on the lower tiers, so the always-available coach is really a Pro feature, and there's no mention of Android on the site, so that half of the phone market is limited to the web app for now. Like any coaching app, it depends on you logging honestly and checking in every week.

Access is paid after a seven-day free trial that needs no card and can be cancelled any time. The trial includes AI onboarding, a one-week sample plan, the Daily Brief, manual logging, and seven chat messages, which is enough to see how the coach answers but not to lean on it. Essential is $14.99 a month for four-week plans, 35 chat messages a month, barcode and search logging, unlimited progress photos, PR tracking, and the Weekly Review. Pro is $19.99 a month for unlimited coaching chat, twelve-week adaptive plans, Autopilot, Meal Scan and AI Log, injury recovery, AI analysis of progress photos, Pro Mode, and blood work personalisation. Annual billing saves 17 percent, there's a referral program and a coupon field at checkout, a Corporate plan with team analytics and admin tools is priced on request, and support is at support@rizin.app.