# SHRDRZ vs Stack

The clearest difference is in-app purchases: Stack at none against SHRDRZ's 1. SHRDRZ's advantage is iOS requirement (18.0 vs 26.2). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. SHRDRZ sells 1 in-app purchase, starting at $0.99 per month. Stack asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SHRDRZ against 5.0 for Stack. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

SHRDRZ ships an update every 2 weeks, Stack every 10 days. The most recent releases landed on September 23, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SHRDRZ | Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/shrdrz/id1449744435/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/stack-gym-tracker/id6760980211/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 114 MB | 22 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marshall Creger](https://appshunter.io/developer/1449744434) | [Lauterstar Technologies, Inc](https://appshunter.io/developer/6794436202) |

## What reviewers say

### SHRDRZ

[App page](https://appshunter.io/ios/app/shrdrz/id1449744435)

Track your mountain activities like biking, skiing, and hiking with detailed stats, graphs, and 3D maps. Build and share community trails, and sync your health data with Apple Health.

**Highlights:** Activity tracking (skiing, biking, hiking, running), Detailed stats and graphs, 3D maps of routes, Community trail system, Apple Health integration, Watch app support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SHRDDRRZ Monthly Access | $0.99 | per month |


### Stack

[App page](https://appshunter.io/ios/app/stack-gym-tracker/id6760980211)

This app helps users track their weightlifting progress with a focus on ease of use and data privacy. It allows for detailed logging of sets, exercise planning, and visual progress tracking without ads or intrusive notifications.

**Highlights:** Distraction-free lifting log, Local-first data storage with optional iCloud sync, Customizable splits and routines, Extensive exercise library with muscle mapping, Detailed per-set logging, Plate calculator for real-world racks, Progress visualization and trend analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is SHRDRZ free?

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

### Is Stack free?

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

### Which has better reviews, SHRDRZ or Stack?

SHRDRZ and Stack are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do SHRDRZ or Stack have ads?

Neither SHRDRZ nor Stack shows ads.

### Which is updated more often, SHRDRZ or Stack?

SHRDRZ ships an update every 2 weeks, and Stack every 10 days. Most recently, SHRDRZ was updated on September 23, 2026 and Stack on October 2, 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.*