# Gym Bar Calculator vs HIIT & Tabata Interval Timer

The clearest difference is in-app purchases: HIIT & Tabata Interval Timer at none against Gym Bar Calculator's 1. HIIT & Tabata Interval Timer also leads on update cadence (every 3 days vs every 11 months). Gym Bar Calculator's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Gym Bar Calculator sells 1 one-off in-app purchase. HIIT & Tabata Interval Timer asks for nothing beyond the download.

Gym Bar Calculator ships an update every 11 months, HIIT & Tabata Interval Timer every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gym Bar Calculator | HIIT & Tabata Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gym-bar-calculator/id6448870822/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 30 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Morgan Hunt](https://appshunter.io/developer/1539166783) | [Toril Lia](https://appshunter.io/developer/6799709405) |

## What reviewers say

### Gym Bar Calculator

[App page](https://appshunter.io/ios/app/gym-bar-calculator/id6448870822)

Easily calculate barbell weight distribution for your workouts. Input your desired total weight and barbell weight, and the app will precisely determine the plates needed for each side. Ideal for all fitness levels seeking accuracy and efficiency.

**Highlights:** Calculate barbell weight distribution, Customize weight plates, Choose units of measurement, User-friendly interface, Accurate weight calculations, Sleek and modern design

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Content | $2.99 | one-time |


### HIIT & Tabata Interval Timer

[App page](https://appshunter.io/ios/app/hiit-and-tabata-interval-timer/id6799709403)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gym Bar Calculator free?

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

### Is HIIT & Tabata Interval Timer free?

HIIT & Tabata Interval Timer is free to download, with no in-app purchases.

### Do Gym Bar Calculator or HIIT & Tabata Interval Timer have ads?

HIIT & Tabata Interval Timer shows ads; Gym Bar Calculator does not.

### Which is updated more often, Gym Bar Calculator or HIIT & Tabata Interval Timer?

Gym Bar Calculator ships an update every 11 months, and HIIT & Tabata Interval Timer every 3 days. Most recently, Gym Bar Calculator was updated on November 3, 2026 and HIIT & Tabata Interval Timer on October 31, 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.*