# Buoyancy Calc vs VESC Tool

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.

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.

## The numbers

| Metric | Buoyancy Calc | VESC Tool |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [3.1 (25 ratings)](https://appshunter.io/ios/app/buoyancy-calc/id1482332472/reviews) | **[3.8 (39 ratings)](https://appshunter.io/ios/app/vesc-tool/id1605488891/reviews)** |
| Number of ratings | 25 | **39** |
| Positive reviews | 40.0% of reviews | **56.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | Free |
| Best chart rank | — | **#21** |
| Size | 1 MB | 48 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eric Hamiter](https://appshunter.io/developer/1482332471) | [Jeffrey Friesen](https://appshunter.io/developer/1605488893) |

## What reviewers say

### Buoyancy Calc

[App page](https://appshunter.io/ios/app/buoyancy-calc/id1482332472)

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.

**Highlights:** Calculate suggested diving weight, Adjust for water type, Adjust for tank type, Adjust for exposure suit, Supports pounds and kilograms

**Features:** macOS Compatibility

**In-app purchases:** none


### VESC Tool

[App page](https://appshunter.io/ios/app/vesc-tool/id1605488891)

**Currently charting:** #21 Top Paid · Utilities (US App Store)

Configure your VESC hardware remotely via WiFi or BLE. Log ride data, update firmware, switch profiles, and monitor battery status on the go.

**Highlights:** Configure VESC hardware, Connect via WiFi or BLE, Log ride data, Update firmware, Switch ride profiles, View battery status, Edit settings

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

**In-app purchases:** none


## Frequently asked questions

### Is Buoyancy Calc free?

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

### Is VESC Tool free?

VESC Tool costs $3.99, with no in-app purchases.

### Which has better reviews, Buoyancy Calc or VESC Tool?

VESC Tool is rated higher. Buoyancy Calc averages 3.1 out of 5 from 25 ratings, while VESC Tool averages 3.8 from 39 ratings.

### Do Buoyancy Calc or VESC Tool have ads?

Neither Buoyancy Calc nor VESC Tool shows ads.

### Which is updated more often, Buoyancy Calc or VESC Tool?

Buoyancy Calc ships an update every 3 months, and VESC Tool every 8 months. Most recently, Buoyancy Calc was updated on June 8, 2026 and VESC Tool on September 23, 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.*