MultiDeco vs VESC Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MultiDeco
This app calculates dive decompression for technical scuba divers using VPM and ZHL-16 models. It supports various gas mixes, planning methods for open circuit and rebreathers, and includes tools for gas blending and depth calculations.
- VPM and ZHL-16 decompression models
- Support for nitrox and trimix
- OC and CCR planning
- Bailout planning
- Gas blending utility
- Depth calculation tools
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A dive decompression calculator for technical scuba divers. MultiDeco presents the VPM and ZHL-16 decompression model and includes VPM-B, VPM-B/E, ZHL model versions and ZHL-16 + GF. The diver can specify any combination of nitrox or trimix, and as many deco gases as required. Planning methods include both OC and Closed Circuit Rebreather. It includes planning for bailouts with SCR and OC legs in a CCR plan. Includes details of ppO2, END, and gas consumptions. This program includes many of the features from the desktop version such as conservatism adjustments, extended stops, adjustable last stops, the planning monitor system and extensive control over many other planning features. Also included is a set of dive planning tools for calculating best mix, maximum operating depth (MOD), END, EAD and other planning considerations. The Mixer utility for blending nitrox and trimix, is included too.
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: VESC Tool at $3.99 against MultiDeco's $48.99. VESC Tool also leads on review sentiment (55% vs 39%) and ratings volume (39 vs 11). MultiDeco's advantage is update cadence (every 3 months vs every 8 months). On rating, 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
MultiDeco costs $48.99 and VESC Tool $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 3.9 for MultiDeco against 3.8 for VESC Tool. Both are backed by a comparable volume of ratings — 11 and 39 respectively. Written reviews are what separate them: 39% of MultiDeco's written reviews are positive against 55% of VESC Tool's.
MultiDeco ships an update every 3 months, VESC Tool every 8 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.
| Parameter | MultiDeco | VESC Tool |
|---|---|---|
| Price | $48.99 | $3.99 — better |
| Rating | 3.9 (11 ratings) — better | 3.8 (39 ratings) |
| Positive reviews | 38.9% of reviews | 55.3% of reviews — better |
| Number of ratings | 11 | 39 — better |
| Update frequency | Every 3 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #118 | #36 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | HHS Software Corp. | Jeffrey Friesen |
Customer experience
MultiDeco
VESC Tool
In-app purchases
MultiDeco
No in-app purchases
VESC Tool
No in-app purchases
