Coordinate Master vs Clean Bubble Level
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Coordinate Master
Convert coordinates between over 1700 global systems using PROJ4 library. Supports various formats including lat/lon, UTM, and national grids. Can use GPS or photo data for input.
- 1700+ coordinate systems
- PROJ4 library integration
- Supports lat/lon, UTM, national grids
- Custom coordinate system support
- GPS location input
- Photo coordinate extraction
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Coordinate Master is one of the most powerful map coordinate converters available. It uses the PROJ4 library and a lookup file containing projection and datum parameters to allow conversion between more than 1700 coordinate systems from around the world. Lat/lon, UTM, US coordinate systems (including US State Plane), Australian coordinate systems (including GDA2020), UK coordinate systems (including British National Grid) and many, many others are supported. Custom coordinate systems can be added and affine parameters are supported for adding local grid systems. The app can use manually entered coordinates, your current GPS location, or get the lat/lon coordinates from a photo.
Clean Bubble Level
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Simple. Precise. Ad-Free. Bubble Level is a clean and lightweight 2-axis spirit level that shows tilt angles with 0.1° precision. Whether you are adjusting table tops or tripods, this tool helps you get the perfect level, fast and fuss-free. - Measures tilt along two axes - Displays angles accurate to 1 decimal place - No ads, no in-app purchases No distractions. No clutter. Just a reliable level tool that does exactly what you need.
Screenshots
Verdict
The clearest difference is price: Clean Bubble Level at Free against Coordinate Master's $3.99. Coordinate Master's advantage is iOS requirement (14.0 vs 18.4). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Clean Bubble Level is free to download; Coordinate Master costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Coordinate Master ships an update fortnightly, Clean Bubble Level weekly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.
| Parameter | Coordinate Master | Clean Bubble Level |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.4 (5 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Anthony Dunk | TameSoft Pte Ltd |
In-app purchases
Coordinate Master
No in-app purchases
Clean Bubble Level
No in-app purchases
Questions
Is Coordinate Master free?
Is Clean Bubble Level free?
Do Coordinate Master or Clean Bubble Level have ads?
Which is updated more often, Coordinate Master or Clean Bubble Level?
Other comparisons
