# Sena vs Bubble Level

The clearest difference is rating: Bubble Level at 4.5 against Sena's 2.0. Bubble Level also leads on review sentiment (41% vs 0%) and update cadence (weekly vs every 7 months). Sena's advantage is in-app purchases (none vs 11) and ads (none vs shown). On price and iOS requirement there is nothing between them.

Both are free to download. Bubble Level sells 11 in-app purchases, starting at $1.99 per 7 days. Sena asks for nothing beyond the download.

Bubble Level holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Bubble Level has 702 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Sena's written reviews are positive against 41% of Bubble Level's.

Sena ships an update every 7 months, Bubble Level weekly. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Sena | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/sena/id1365547269/reviews) | **[4.5 (702 ratings)](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382/reviews)** |
| Number of ratings | 2 | **702** |
| Positive reviews | 0.0% of reviews | **41.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 43 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Stichting ter Exploitatie van Naburige rechten (SENA)](https://appshunter.io/developer/1365547268) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### Sena

[App page](https://appshunter.io/ios/app/sena/id1365547269)

This app allows affiliated musicians and producers to view payments, balances, and register their repertoire. It offers quick access to financial information and repertoire management, helping users maximize their music earnings. The latest update includes bug fixes for improved performance.

**Highlights:** View payments and balances, Register repertoire, Notifications for unfinished repertoire, Login with Touch ID/Face ID, Filter earnings by track, channel, year, and country, Switch between musician and producer accounts, Save repertoire drafts

**In-app purchases:** none


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-ar-angle-finder/id1594066382)

This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.

**Highlights:** Ultra-precise angle measurement, Inclination and slope meter, Augmented reality ruler and protractor, Effortless one-touch calibration, Clear and easy-to-read display, User-friendly interface

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly Plan | $1.99 | per 7 days |
| Spirit Level Premium – Monthly | $2.99 | per month |
| Bubble Level Premium - Weekly | $2.99 | per 7 days |
| Bubble Level Premium - Monthly | $5.99 | per month |
| Spirit Level Premium – Annual | $14.99 | per year |
| Bubble Level Premium - Annual | $19.99 | per year |
| All features - No ads | $1.99 | one-time |
| Unlock all AR features | $5.99 | one-time |
| Discount Lifetime Premium | $14.99 | one-time |
| Bubble Level PREMIUM Lifetime | $19.99 | one-time |
| Bubble Level - Lifetime Premium | $29.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🔍 Accurate angle measurements
- 🛠️ Helpful for various tasks (telescopes, leveling, etc.)

**What reviewers complain about**

- 🤑 Expensive ad removal
- 🤖 Unreliable calibration
- 💤 Constant interruptions and ads
- 🚫 Unusable due to ads

**Reported bugs**

- App crashes on launch
- Measurement point behaves erratically

**Requested features**

- Ability to calibrate the app
- Option to change the display color


## Frequently asked questions

### Is Sena free?

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

### Is Bubble Level free?

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

### Which has better reviews, Sena or Bubble Level?

Bubble Level is rated higher. Sena averages 2.0 out of 5 from 2 ratings, while Bubble Level averages 4.5 from 702 ratings.

### Do Sena or Bubble Level have ads?

Bubble Level shows ads; Sena does not.

### Which is updated more often, Sena or Bubble Level?

Sena ships an update every 7 months, and Bubble Level weekly. Most recently, Sena was updated on June 4, 2026 and Bubble Level on September 20, 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.*