# F2Pool vs Bubble Level

The clearest difference is rating: Bubble Level at 5.0 against F2Pool's 4.0. Bubble Level also leads on update cadence (weekly vs every 3 weeks). F2Pool's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Bubble Level sells 1 one-off in-app purchase. F2Pool asks for nothing beyond the download.

Bubble Level holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: F2Pool has 183 ratings behind it against 2, so its average is the more settled of the two.

F2Pool ships an update every 3 weeks, Bubble Level weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | F2Pool | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (183 ratings)](https://appshunter.io/ios/app/f2pool/id1403702113/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bubble-level-spirit-and-angle/id6816330217/reviews)** |
| Number of ratings | **183** | 2 |
| Positive reviews | 41.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 59 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F2Pool Information Technology Co., Ltd.](https://appshunter.io/developer/1403702112) | [Tianyu Lu](https://appshunter.io/developer/6810794695) |

## What reviewers say

### F2Pool

[App page](https://appshunter.io/ios/app/f2pool/id1403702113)

Manage your cryptocurrency mining operations from anywhere. Monitor your machines, track revenue, and switch between mining profitable coins with ease. Receive custom alerts for your mining activities.

**Highlights:** Manage multiple mining accounts and currencies, Monitor worker status and hashrate, Set custom mining alerts, Compare mining hardware and view high-yield machines, Switch between mining profitable coins

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Useful revenue comparison
- 👍 Informative app
- 👍 Good pool service
- 👍 Great app
- 👍 Push notifications for issues

**What reviewers complain about**

- 🐛 Login issues after update
- 🐛 Difficult withdrawal process
- 🐛 Server errors reported
- 🐛 Revenue shown as zero often
- 🐛 No privacy

**Reported bugs**

- Cannot login after last update due to QR code scanning issue
- Yesterday's revenue is shown as zero very often
- Autocorrect enabled on code verification and username textboxes
- App closes when trying to view BTC mining details
- App crashes when entering BTC page

**Requested features**

- Add Russian language support
- Add watchOS app with notifications and hashrate data
- Add ELA-NMC support on iOS/Android
- Add payout threshold of 0.001 BTC for Bitcoin mining
- Add offline equipment notifications


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-spirit-and-angle/id6816330217)

Transform your device into a precise spirit level and inclinometer. Features innovative face-down measurement, dual bullseye and tubular levels, and audio/haptic feedback for accurate alignment in various projects.

**Highlights:** Face-down precision mode, Dual bullseye and tubular levels, Audio and haptic zero feedback, Relative zero and calibration, Angle lock/hold, Digital angle readout

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is F2Pool free?

F2Pool 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, F2Pool or Bubble Level?

Bubble Level is rated higher. F2Pool averages 4.0 out of 5 from 183 ratings, while Bubble Level averages 5.0 from 2 ratings.

### Do F2Pool or Bubble Level have ads?

Bubble Level shows ads; F2Pool does not.

### Which is updated more often, F2Pool or Bubble Level?

F2Pool ships an update every 3 weeks, and Bubble Level weekly. Most recently, F2Pool was updated on October 24, 2026 and Bubble Level 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.*