# Bubbles vs BlockStep

The clearest difference is update cadence: BlockStep at every 4 days against Bubbles's every 8 days. Bubbles's advantage is iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Bubbles sells 2 in-app purchases, starting at $4.99 per month and BlockStep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Bubbles ships an update every 8 days, BlockStep every 4 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Bubbles | BlockStep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Size | 24 MB | 17 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Sunil PM](https://appshunter.io/developer/1896290467) | [Caffeinated Code d.o.o.](https://appshunter.io/developer/452578941) |

## What reviewers say

### Bubbles

[App page](https://appshunter.io/ios/app/bubbles-step-tracker-pet-fish/id6766446326)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |


### BlockStep

[App page](https://appshunter.io/ios/app/blockstep-step-counter/id6794051629)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Kit | $4.99 | one-time |


## Frequently asked questions

### Is Bubbles free?

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

### Is BlockStep free?

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

### Do Bubbles or BlockStep have ads?

Neither Bubbles nor BlockStep shows ads.

### Which is updated more often, Bubbles or BlockStep?

Bubbles ships an update every 8 days, and BlockStep every 4 days. Most recently, Bubbles was updated on October 31, 2026 and BlockStep on November 10, 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.*