# CaloScan vs Lean

The clearest difference is update cadence: Lean at every 3 days against CaloScan's every 5 weeks. Lean also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. CaloScan sells 1 one-off in-app purchase and Lean sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

CaloScan ships an update every 5 weeks, Lean every 3 days. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CaloScan | Lean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lean-weight-loss-tracker/id6776982297/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 6 MB | 40 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Rico Thamlitz](https://appshunter.io/developer/1893645148) | [Justinas Kristopaitis](https://appshunter.io/developer/1812310636) |

## What reviewers say

### CaloScan

[App page](https://appshunter.io/ios/app/caloscan/id6762283480)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CaloScan Pro | $0.99 | one-time |


### Lean

[App page](https://appshunter.io/ios/app/lean-weight-loss-tracker/id6776982297)

This app uses AI to scan meals and track calories and macros. It provides personalized insights into weight changes and offers an AI coach for guidance. Users can also connect with friends for support and challenges.

**Highlights:** AI calorie and macro scanning from photos, Personalized AI insights into weight fluctuations, AI coach for answering health-related questions, Integration with Apple Health for steps and sleep, Social features for accountability and challenges, Customizable meal plans and shopping lists (Pro)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grant Premium | $6.99 | per month |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is CaloScan free?

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

### Is Lean free?

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

### Do CaloScan or Lean have ads?

Neither CaloScan nor Lean shows ads.

### Which is updated more often, CaloScan or Lean?

CaloScan ships an update every 5 weeks, and Lean every 3 days. Most recently, CaloScan was updated on September 19, 2026 and Lean on September 23, 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.*