# Active Stirling vs KcalSnap

The clearest difference is update cadence: KcalSnap at daily against Active Stirling's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Active Stirling ships an update every 3 months, KcalSnap daily. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Active Stirling | KcalSnap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/active-stirling/id1055640366/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 106 MB | 42 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Active Stirling Limited](https://appshunter.io/developer/1432637042) | [MB Nexus consulting](https://appshunter.io/developer/6804732835) |

## What reviewers say

### Active Stirling

[App page](https://appshunter.io/ios/app/active-stirling/id1055640366)

Easily book and pay for various activities like swimming, gym, fitness, and climbing. Access real-time schedules, manage bookings, and receive updates on offers and events. Integrates with Apple HealthKit to track activity data.

**Highlights:** Book and pay for activities, Manage ALL IN membership, Real-time class booking and cancellation, View activity times and availability, Receive news, offers, and event notifications, Apple HealthKit integration for activity tracking

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

**In-app purchases:** none


### KcalSnap

[App page](https://appshunter.io/ios/app/kcalsnap-calorie-tracker/id6804732623)

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

**In-app purchases:** none


## Frequently asked questions

### Is Active Stirling free?

Active Stirling is free to download, with no in-app purchases.

### Is KcalSnap free?

KcalSnap is free to download, with no in-app purchases.

### Do Active Stirling or KcalSnap have ads?

Neither Active Stirling nor KcalSnap shows ads.

### Which is updated more often, Active Stirling or KcalSnap?

Active Stirling ships an update every 3 months, and KcalSnap daily. Most recently, Active Stirling was updated on October 24, 2026 and KcalSnap on October 8, 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.*