# Basalt Lab vs Constance

The clearest difference is iOS requirement: Constance at 15.0 against Basalt Lab's 17.0. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Basalt Lab sells 2 in-app purchases, starting at $7.99 per month and Constance sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Basalt Lab ships an update every 3 days, Constance every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Basalt Lab | Constance |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Freemium | Freemium |
| Size | 139 MB | 18 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Otia LTD](https://appshunter.io/developer/1896514244) | [Hedi Minvielle-debat](https://appshunter.io/developer/6782643371) |

## What reviewers say

### Basalt Lab

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

Track your weightlifting progress with detailed statistics and automated logging. Features include manual set entry, rest timers, and Apple Watch integration for seamless workout tracking. Visualize your gains and identify plateaus to optimize your training.

**Highlights:** Automated workout logging, Rest timer and set validation, Apple Watch integration, Live Activities and Dynamic Island support, 370+ exercises and pre-made workouts, 48 detailed statistics, Plateau detection and 1RM projection

**Features:** Apple Watch app

**In-app purchases (2)**

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


### Constance

[App page](https://appshunter.io/ios/app/constance-nutrition-coach/id6782643369)

This AI-powered coach helps you achieve your health and fitness goals with personalized calorie and macro tracking. It adapts to your lifestyle, offering flexible plans and support to maintain consistency without guilt. Features include workout planning, recipe sharing, and community interaction.

**Highlights:** AI-powered calorie and macro tracking, Flexible meal logging (AI, photo, voice, scan), Adaptive daily targets, Personalized training plans and exercise library, Recipe creation and sharing, Community support and friend interaction, Apple Health integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Constance Essential | $1.99 | per month |
| Constance AI | $2.99 | per month |


## Frequently asked questions

### Is Basalt Lab free?

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

### Is Constance free?

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

### Do Basalt Lab or Constance have ads?

Neither Basalt Lab nor Constance shows ads.

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

Basalt Lab ships an update every 3 days, and Constance every 5 days. Most recently, Basalt Lab was updated on October 25, 2026 and Constance on October 24, 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.*