# PULSE CoolCheck vs Bubble Level

The clearest difference is in-app purchases: PULSE CoolCheck at none against Bubble Level's 3. PULSE CoolCheck also leads on iOS requirement (12.0 vs 17.0). Bubble Level's advantage is update cadence (every 3 weeks vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. Bubble Level sells 3 in-app purchases, starting at $4.99 per 7 days. PULSE CoolCheck asks for nothing beyond the download.

PULSE CoolCheck ships an update every 12 months, Bubble Level every 3 weeks. The most recent releases landed on September 11, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | PULSE CoolCheck | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 1 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sensorist ApS](https://appshunter.io/developer/692718526) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### PULSE CoolCheck

[App page](https://appshunter.io/ios/app/pulse-coolcheck/id1595059272)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-spirit-level/id6772263236)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Surface Check — Weekly | $4.99 | per 7 days |
| Shelf Alignment — Yearly | $24.99 | per year |
| Slope Gauge — Pay Once | $49.99 | one-time |


## Frequently asked questions

### Is PULSE CoolCheck free?

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

### Is Bubble Level free?

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

### Do PULSE CoolCheck or Bubble Level have ads?

Neither PULSE CoolCheck nor Bubble Level shows ads.

### Which is updated more often, PULSE CoolCheck or Bubble Level?

PULSE CoolCheck ships an update every 12 months, and Bubble Level every 3 weeks. Most recently, PULSE CoolCheck was updated on September 11, 2026 and Bubble Level on September 22, 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.*