# Londinium vs SeeLeveL Sync

The clearest difference is rating: Londinium at 3.2 against SeeLeveL Sync's 2.4. Londinium also leads on review sentiment (33% vs 0%). SeeLeveL Sync's advantage is update cadence (every 2 months vs every 5 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Londinium holds the better App Store score, 3.2 against 2.4. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 33% of Londinium's written reviews are positive against 0% of SeeLeveL Sync's.

Londinium ships an update every 5 months, SeeLeveL Sync every 2 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Londinium | SeeLeveL Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/londinium/id1511032739/reviews)** | [2.4 (5 ratings)](https://appshunter.io/ios/app/seelevel-sync/id6451456679/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 43 MB | 25 MB |
| Requires iOS | 14.1 | **13.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ridgeland Associates Limited](https://appshunter.io/developer/1511032738) | [Garnet Instruments Ltd.](https://appshunter.io/developer/1148117796) |

## What reviewers say

### Londinium

[App page](https://appshunter.io/ios/app/londinium/id1511032739)

Control pre-infusion pressure and pump delay for your LONDINIUM R espresso machine. Optimize settings for different roasts to achieve the perfect shot. Requires specific hardware modules to be installed.

**Highlights:** Adjust pre-infusion pressure, Modify pump delay, Optimize for roast levels, Wireless control via phone/tablet, Requires specific hardware

**Features:** macOS Compatibility

**In-app purchases:** none


### SeeLeveL Sync

[App page](https://appshunter.io/ios/app/seelevel-sync/id6451456679)

Monitor your RV's fresh water, grey water, black water, and LPG tank levels in real-time. Customize tank names, colors, and set alarms for low or high levels. Connects via Bluetooth to compatible SeeLeveL II tank monitors.

**Highlights:** Real-time tank level monitoring, Customizable tank names and colors, Low and high level tank alarms, Bluetooth connectivity, Graphical and percentage display, Home Screen widget support

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

**In-app purchases:** none


## Frequently asked questions

### Is Londinium free?

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

### Is SeeLeveL Sync free?

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

### Which has better reviews, Londinium or SeeLeveL Sync?

Londinium is rated higher. Londinium averages 3.2 out of 5 from 6 ratings, while SeeLeveL Sync averages 2.4 from 5 ratings.

### Do Londinium or SeeLeveL Sync have ads?

Neither Londinium nor SeeLeveL Sync shows ads.

### Which is updated more often, Londinium or SeeLeveL Sync?

Londinium ships an update every 5 months, and SeeLeveL Sync every 2 months. Most recently, Londinium was updated on October 10, 2026 and SeeLeveL Sync on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*