# Zirv vs Strontr

The clearest difference is update cadence: Strontr at every 3 days against Zirv's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Zirv sells 2 in-app purchases, starting at $3.99 per month and Strontr sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Zirv ships an update weekly, Strontr every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Zirv | Strontr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/strontr/id6762001337/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 22 MB | 230 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Solskov Jensen](https://appshunter.io/developer/1875947340) | [Matthew Schauki](https://appshunter.io/developer/1888257057) |

## What reviewers say

### Zirv

[App page](https://appshunter.io/ios/app/zirv-progress-on-autopilot/id6758999519)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zirv Fitness Pro - Monthly | $3.99 | per month |
| Zirv Fitness Pro - Yearly | $34.99 | per year |


### Strontr

[App page](https://appshunter.io/ios/app/strontr/id6762001337)

This app helps you structure your fitness journey, whether you're lifting weights or running. Plan custom workouts, log sets with ease, and track your progress over time. It offers automatic program progression and offline functionality for uninterrupted training.

**Highlights:** Custom workout split planning, Smart set logging with rest timer, Automatic program progression, Cardio and running tracking, Offline functionality, Personal records tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Strontr Pro Monthly | $5.99 | per month |
| Strontr Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Zirv free?

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

### Is Strontr free?

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

### Do Zirv or Strontr have ads?

Neither Zirv nor Strontr shows ads.

### Which is updated more often, Zirv or Strontr?

Zirv ships an update weekly, and Strontr every 3 days. Most recently, Zirv was updated on October 28, 2026 and Strontr on October 31, 2026.

---

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