# Bubble Level vs TankPulse+

The clearest difference is in-app purchases: TankPulse+ at none against Bubble Level's 1. TankPulse+ also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 10 months). On price and device support there is nothing between them.

Both are free to download. Bubble Level sells 1 one-off in-app purchase. TankPulse+ asks for nothing beyond the download.

Bubble Level ships an update every 10 months, TankPulse+ every 6 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Bubble Level | TankPulse+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.1K ratings)](https://appshunter.io/ios/app/bubble-level-spirit-level/id906629042/reviews)** | — |
| Number of ratings | **3.1K** | — |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 35 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Netviking AB](https://appshunter.io/developer/425652251) | [Artemistroniks india private limited](https://appshunter.io/developer/6796920422) |

## What reviewers say

### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-spirit-level/id906629042)

This utility app functions as a precise spirit level for your iOS devices. It's ideal for tasks like aligning picture frames, measuring angles, and checking the levelness of various surfaces. The app offers calibration and accurate readings to a tenth of a degree.

**Highlights:** Measure surface level, Calibrate with one click, Accurate to 0.1 degree, Retina display support, Picture frame alignment, Angle and slope measurement

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $4.99 | one-time |

**What reviewers like**

- 👍 Handy app to have available
- 🚀 Easy to use
- 💡 Useful for home jobs
- 🚀 Accurate and functional

**What reviewers complain about**

- 🐛 Ads constantly interrupt usage
- 🐛 Ads prevent app from working properly
- 🐛 Ads and games take over the app
- 🐛 Calibration issues and inability to use vertically

**Reported bugs**

- Ads crash the app
- Inability to exit the app due to ads
- Calibration button doesn't work as expected

**Requested features**

- Percent slope display option
- Ability to rotate bubble to vertical position


### TankPulse+

[App page](https://appshunter.io/ios/app/tankpulse-plus/id6796920420)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level free?

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

### Is TankPulse+ free?

TankPulse+ is free to download, with no in-app purchases.

### Do Bubble Level or TankPulse+ have ads?

Bubble Level shows ads; TankPulse+ does not.

### Which is updated more often, Bubble Level or TankPulse+?

Bubble Level ships an update every 10 months, and TankPulse+ every 6 weeks. Most recently, Bubble Level was updated on October 26, 2026 and TankPulse+ on October 24, 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.*