# StrengthBox vs BellBlock

The clearest difference is iOS requirement: StrengthBox at 16.0 against BellBlock's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. StrengthBox sells 2 in-app purchases, starting at $5.99 per month and BellBlock sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | StrengthBox | BellBlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bellblock-tabata-and-hiit-timer/id6816233980/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 1 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Innoveramera](https://appshunter.io/developer/1599090546) | [John Barney](https://appshunter.io/developer/1703993755) |

## What reviewers say

### StrengthBox

[App page](https://appshunter.io/ios/app/strengthbox-workout-tracker/id6759178563)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Månad | $5.99 | per month |
| Årsplan | $39.99 | per year |


### BellBlock

[App page](https://appshunter.io/ios/app/bellblock-tabata-and-hiit-timer/id6816233980)

Create custom Tabata and HIIT workouts with adjustable work, rest, and round times. Features a large gym clock, sound cues, and haptic feedback for effective training. Save routines and track completed sessions, with screen-awake functionality during workouts.

**Highlights:** Customizable workout builder, Adjustable work/rest intervals, Large gym clock display, Sound and haptic cues, Save favorite routines, Track completed workouts

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BellBlock Monthly | $0.99 | per month |


## Frequently asked questions

### Is StrengthBox free?

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

### Is BellBlock free?

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

### Do StrengthBox or BellBlock have ads?

Neither StrengthBox nor BellBlock shows ads.

### Which is updated more often, StrengthBox or BellBlock?

StrengthBox ships an update every 2 days, and BellBlock every 2 days. Most recently, StrengthBox was updated on October 25, 2026 and BellBlock on October 26, 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.*