Liftosaur
Liftosaur tracks weightlifting on iOS, Android and web, with custom Liftoscript programs and built-in routines such as GZCLP and 5/3/1.

About Liftosaur
Liftosaur is a workout tracker and program planner for weightlifting, available as an iOS app, Android app, and web app. Users can write training programs in plain text using Liftoscript, which specifies exercises by week and day, sets, and progressive overload rules. Built-in programs such as GZCLP, 5/3/1, and Starting Strength can also be used and customized. The app logs sets, reps, and body measurements, and shows progress in graphs.
According to its site, the app adjusts the program after each workout using automatic progressions. Data is stored in the cloud so it can be accessed from any device. The site describes the app as free. Reviewers on the App Store and Reddit describe a learning curve for custom programs, and one reviewer notes that the user interface could use more polish.
Key features
- Plain-text program writing with Liftoscript, including week, day, sets, and progression rules
- Built-in programs such as GZCLP, 5/3/1, Starting Strength, and Texas Method
- Automatic linear, double, and rep sum progressions adjusted after each workout
- Load setting by percentage of 1RM or by RPE, with automatic weight calculation
- Plates calculator showing the plate breakdown per side for a set weight
- Web editor for programs, with shareable program links that can be imported into the app
- Listed as free on the site
- Custom programs can be written in plain text and adjusted with scripts
- A web editor allows programs to be edited on a desktop and shared by link
- Workout data is stored in the cloud, so it is not kept only on the device
- Reviewers describe a learning curve for writing custom programs
- One reviewer says the user interface could use more polish
Liftosaur at a glance
- Website
- liftosaur.com
- Category
- Health & Fitness › Sports & Outdoors
- Type
- App
- Pricing
- Free
- Platforms
- Android, iOS
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Liftosaur FAQ
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Where is workout data stored?
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