# Bubble Level vs jpc.ai

The clearest difference is in-app purchases: jpc.ai at none against Bubble Level's 3. jpc.ai also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Bubble Level's advantage is update cadence (every 2 weeks vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. Bubble Level sells 3 in-app purchases, starting at $1.99 per 7 days. jpc.ai asks for nothing beyond the download.

Bubble Level ships an update every 2 weeks, jpc.ai every 5 weeks. The most recent releases landed on August 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Bubble Level | jpc.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (60 ratings)](https://appshunter.io/ios/app/bubble-level-spirit-tool/id6470280224/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 4 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [John Corser](https://appshunter.io/developer/1016115570) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-spirit-tool/id6470280224)

This tool helps you ensure surfaces are perfectly horizontal or vertical using various measurement modes. It offers features like angle locking, calibration for accuracy, and an audible indicator for precise leveling.

**Highlights:** Multiple leveling modes (Circle, Vertical, Horizontal, Mix), Lock current angle feature, Calibration for accurate readings, Audible indicator for perfect leveling, User-friendly interface, Angle locking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubble Level Pro | $1.99 | per 7 days |
| Spirit Level Pro | $19.99 | per year |
| Waterpas Pro - Waterpass | $39.99 | one-time |


### jpc.ai

[App page](https://appshunter.io/ios/app/jpcai/id6737018549)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level free?

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

### Is jpc.ai free?

jpc.ai is free to download, with no in-app purchases.

### Do Bubble Level or jpc.ai have ads?

Bubble Level shows ads; jpc.ai does not.

### Which is updated more often, Bubble Level or jpc.ai?

Bubble Level ships an update every 2 weeks, and jpc.ai every 5 weeks. Most recently, Bubble Level was updated on August 28, 2026 and jpc.ai on September 14, 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.*