Subsurface vs Square Shuffler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Subsurface
This application allows divers to manage their dive logs on their mobile devices. It supports editing dive data and downloading new information from compatible dive computers. Optional cloud synchronization is available for seamless data transfer with desktop versions.
- Mobile dive log management
- Edit dive data
- Download from Bluetooth LE dive computers
- Optional cloud synchronization
- Open-source and free
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Subsurface-mobile is an iOS dive log application based on Subsurface, the best free open source dive log application available on Windows, Mac and Linux. Subsurface-mobile allows you to access your dive log on your tablet or phone, edit the data and even download new dive information from many Bluetooth LE enabled dive computers. Using a free Subsurface Cloud Storage account you can synchronize your dive data with the Subsurface desktop application (while significantly increasing the usefulness, the cloud account is not required to use Subsurface-mobile). To get support from the developers, please use the in-app menu entry "Ask for support" Please check out the Subsurface-mobile user manual: https://subsurface-divelog.org/documentation/subsurface-mobile-v3-user-manual (also available from within the app) Subsurface-mobile is free and open source. No ads, no commercial anything. And it comes with free cloud storage (if you decide to use that - it's optional). Your data aren't used for anything, nothing gets monetized.
Square Shuffler
This app simplifies organizing sports games by automatically assigning random scores to players. It streamlines the setup process for your next game, saving you time and effort.
- Randomizes player scores
- Saves setup time
- Simplifies game organization
- Automates score assignment
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The Square Shuffler automatically randomizes players to scores saving you the hassle of assigning random scores to your players. Set up your next squares with the Square Shuffler.
Screenshots
Verdict
The clearest difference is review sentiment: Square Shuffler at 100% against Subsurface's 63%. Square Shuffler also leads on update cadence (daily vs every 2 months). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Subsurface ships an update every 2 months, Square Shuffler daily. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.
| Parameter | Subsurface | Square Shuffler |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (48 ratings) — better | — |
| Positive reviews | 63.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 48 — better | — |
| Update frequency | Every 2 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17 | 16.6 — better |
| Further details — not scored | ||
| Size | 52 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Dirk Hohndel | Arian Mohajer |
Customer experience
Subsurface
Square Shuffler
In-app purchases
Subsurface
No in-app purchases
Square Shuffler
No in-app purchases
Questions
Is Subsurface free?
Is Square Shuffler free?
Do Subsurface or Square Shuffler have ads?
Which is updated more often, Subsurface or Square Shuffler?
Other comparisons
