# Concrete Calculator vs Workout Timer

The clearest difference is in-app purchases: Workout Timer at none against Concrete Calculator's 1. Concrete Calculator's advantage is iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Concrete Calculator sells 1 one-off in-app purchase. Workout Timer asks for nothing beyond the download.

Concrete Calculator ships an update every 3 months, Workout Timer every 5 months. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Concrete Calculator | Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/workout-timer-workrestrepeat/id6756518687/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | — | Free |
| Size | 39 MB | 11 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shital Gorasiya](https://appshunter.io/developer/1737199158) | [TROTHMATRIX](https://appshunter.io/developer/1451285427) |

## What reviewers say

### Concrete Calculator

[App page](https://appshunter.io/ios/app/concrete-calculator-solidmix/id6751228843)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Purchase | $4.99 | one-time |


### Workout Timer

[App page](https://appshunter.io/ios/app/workout-timer-workrestrepeat/id6756518687)

This app helps you precisely manage your exercise routines with customizable timers for work and rest periods. Create multiple custom timers with specific durations and repetitions for various training styles. It offers ready-made presets to quickly set up your workouts and focus on your fitness.

**Highlights:** Customizable workout timers, Set work and break durations, Multiple repetition settings, Interval training support, HIIT and circuit workout friendly, Pre-set workout durations

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

**In-app purchases:** none


## Frequently asked questions

### Is Concrete Calculator free?

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

### Is Workout Timer free?

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

### Do Concrete Calculator or Workout Timer have ads?

Neither Concrete Calculator nor Workout Timer shows ads.

### Which is updated more often, Concrete Calculator or Workout Timer?

Concrete Calculator ships an update every 3 months, and Workout Timer every 5 months. Most recently, Concrete Calculator was updated on October 4, 2026 and Workout Timer on October 13, 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.*