Buoyancy Calc vs VESC Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Buoyancy Calc
Calculate the optimal weight for scuba diving based on environmental factors. Input your weight, water type, tank, and exposure suit to get a suggested weight for neutral buoyancy.
- Calculate suggested diving weight
- Adjust for water type
- Adjust for tank type
- Adjust for exposure suit
- Supports pounds and kilograms
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Quickly find out the suggested weight you should add when scuba diving in different environments. Based on PADI's Peak Performance Buoyancy basic weighting guideline*. Enter your weight in pounds or kilograms, and additionally set the type of water, tank, and exposure suit to dial in a suggested amount of weight to help keep you neutrally buoyant. *Note that this app and the developer are not officially a representative of PADI. This app will give the user a good estimate of the weight needed for the environment selected, but there are always adjustments needed to achieve peak performance, based on gender, physique, exposure suit age, accessories, etc.
VESC Tool
Configure your VESC hardware remotely via WiFi or BLE. Log ride data, update firmware, switch profiles, and monitor battery status on the go.
- Configure VESC hardware
- Connect via WiFi or BLE
- Log ride data
- Update firmware
- Switch ride profiles
- View battery status
- Edit settings
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This is the mobile version of VESC Tool, which can be used to configure VESC hardware over WiFi or BLE. It can also be used to log ride data, update the firmware, switch ride profiles, view battery status, and edit settings on the go! For details, visit https://vesc-project.com
Screenshots
Verdict
The clearest difference is price: Buoyancy Calc at Free against VESC Tool's $3.99. Buoyancy Calc also leads on update cadence (every 3 months vs every 8 months). VESC Tool's advantage is rating (3.8 vs 3.1) and review sentiment (57% vs 40%). On ratings volume, 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
Buoyancy Calc is free to download; VESC Tool costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
VESC Tool holds the better App Store score, 3.8 against 3.1. Both are backed by a comparable volume of ratings — 25 and 39 respectively. Written reviews point the same way: 40% of Buoyancy Calc's written reviews are positive against 57% of VESC Tool's.
Buoyancy Calc ships an update every 3 months, VESC Tool every 8 months. The most recent releases landed on June 8, 2026 and September 23, 2026 respectively.
| Parameter | Buoyancy Calc | VESC Tool |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 3.1 (25 ratings) | 3.8 (39 ratings) — better |
| Positive reviews | 40.0% of reviews | 56.8% of reviews — better |
| Number of ratings | 25 | 39 — better |
| Update frequency | Every 3 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #33 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Eric Hamiter | Jeffrey Friesen |
Customer experience
Buoyancy Calc
VESC Tool
In-app purchases
Buoyancy Calc
No in-app purchases
VESC Tool
No in-app purchases
