# Dive Calculator vs Diveplanner Tec & Rec

The clearest difference is review sentiment: Dive Calculator at 100% against Diveplanner Tec & Rec's 33%. Dive Calculator also leads on rating (4.6 vs 3.1) and ratings volume (24 vs 7). Diveplanner Tec & Rec's advantage is update cadence (every 3 months vs every 12 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Dive Calculator sells 2 one-off in-app purchases and Diveplanner Tec & Rec sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Dive Calculator holds the better App Store score, 4.6 against 3.1. Both are backed by a comparable volume of ratings — 24 and 7 respectively. Written reviews point the same way: 100% of Dive Calculator's written reviews are positive against 33% of Diveplanner Tec & Rec's.

Dive Calculator ships an update every 12 months, Diveplanner Tec & Rec every 3 months. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Dive Calculator | Diveplanner Tec & Rec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (24 ratings)](https://appshunter.io/ios/app/dive-calculator/id831751437/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/diveplanner-tec-and-rec/id1506985833/reviews) |
| Number of ratings | **24** | 7 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 7 MB | 83 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Zanthic Automation Inc.](https://appshunter.io/developer/574695320) | [Sensetrails LLC](https://appshunter.io/developer/806088250) |

## What reviewers say

### Dive Calculator

[App page](https://appshunter.io/ios/app/dive-calculator/id831751437)

This app provides comprehensive scuba diving calculations, including basic, nitrox, and trimix gas mixes. It supports both metric and imperial units, and allows for gas volume and cost calculations for blending and top-ups. Results can be easily copied for documentation.

**Highlights:** Basic, Nitrox, and Trimix calculations, Gas volume and cost calculations, Top-up and bleed down mix calculations, Metric and imperial unit support, Oxygen narcotic/non-narcotic selection, Copy results to clipboard

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EANx Calculations | $0.99 | one-time |
| Trimix Calculations | $0.99 | one-time |


### Diveplanner Tec & Rec

[App page](https://appshunter.io/ios/app/diveplanner-tec-and-rec/id1506985833)

Plan technical and recreational scuba dives with detailed gas management, decompression schedules, and contingency planning. This tool helps divers quickly create and share dive plans for various depths and conditions.

**Highlights:** Technical and recreational dive planning, Multi-gas and CCR dive schedules, Bühlmann decompression model (ZH16L-C), Automatic contingency plans, Gas requirement and weight calculation, Dive table generation, Metric and Imperial units

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Two weeks free trial | Free | one-time |
| Tec Basic | $7.99 | one-time |
| Tec Advanced | $19.99 | one-time |


## Frequently asked questions

### Is Dive Calculator free?

Dive Calculator is free to download, with in-app purchases available.

### Is Diveplanner Tec & Rec free?

Diveplanner Tec & Rec is free to download, with in-app purchases available.

### Which has better reviews, Dive Calculator or Diveplanner Tec & Rec?

Dive Calculator is rated higher. Dive Calculator averages 4.6 out of 5 from 24 ratings, while Diveplanner Tec & Rec averages 3.1 from 7 ratings.

### Do Dive Calculator or Diveplanner Tec & Rec have ads?

Neither Dive Calculator nor Diveplanner Tec & Rec shows ads.

### Which is updated more often, Dive Calculator or Diveplanner Tec & Rec?

Dive Calculator ships an update every 12 months, and Diveplanner Tec & Rec every 3 months. Most recently, Dive Calculator was updated on October 8, 2026 and Diveplanner Tec & Rec on October 16, 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.*