# Basalt Lab vs RepFlow

The clearest difference is monetization model: Basalt Lab at freemium against RepFlow's subscription. Basalt Lab also leads on review sentiment (100% vs 67%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Basalt Lab sells 4 in-app purchases, starting at $5.99 per month and RepFlow sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Basalt Lab ships an update every 3 days, RepFlow every 5 days. The most recent releases landed on November 9, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Basalt Lab | RepFlow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | **Freemium** | Subscription |
| Size | 143 MB | 89 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Otia LTD](https://appshunter.io/developer/1896514244) | [Lohan Thiel](https://appshunter.io/developer/6796709122) |

## What reviewers say

### Basalt Lab

[App page](https://appshunter.io/ios/app/basalt-lab-workout-tracker/id6767849945)

This app meticulously logs every workout set, transforming your training data into visible progress. It offers manual logging and advanced 'Lab' modes, with Apple Watch integration and Live Activities for seamless tracking. Analyze your performance with detailed statistics and insights to ensure consistent improvement.

**Highlights:** Manual and 'Lab' workout logging modes, Apple Watch integration for wrist-based logging, Live Activities and Dynamic Island support, Extensive exercise library with superset options, Pre-made and customizable workout plans, Detailed performance statistics and progress analysis, Plateau detection and 1RM projection

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basalt Lab Pro | $5.99 | per month |
| Basalt Lab Pro | $7.99 | per month |
| Basalt Lab Pro | $34.99 | per year |
| Basalt Lab Pro | $49.99 | per year |


### RepFlow

[App page](https://appshunter.io/ios/app/repflow-gym/id6796709120)

Log your weightlifting sets and track your progress with a unique strength card that levels up as you do. Get personalized lifting targets from a virtual coach and access ready-made workout programs. Share your achievements and compare cards with friends.

**Highlights:** Strength card progression system, Virtual coach for lifting targets, Workout logging with sets and reps, Customizable workout routines, Progress tracking and history, Social sharing of strength cards, Ready-made workout programs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RepFlow Pro Monthly | $9.99 | per month |
| RepFlow Pro Monthly | $9.99 | per month |
| RepFlow Pro, Special Offer | $34.99 | per year |
| RepFlow Pro Annual | $59.99 | per year |
| RepFlow Pro Yearly | $59.99 | per year |
| RepFlow Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Basalt Lab free?

Basalt Lab is free to download, with in-app purchases available.

### Is RepFlow free?

RepFlow is free to download, with in-app purchases available.

### Do Basalt Lab or RepFlow have ads?

Neither Basalt Lab nor RepFlow shows ads.

### Which is updated more often, Basalt Lab or RepFlow?

Basalt Lab ships an update every 3 days, and RepFlow every 5 days. Most recently, Basalt Lab was updated on November 9, 2026 and RepFlow on November 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*