# Diveplanner Tec & Rec vs Octavius

The clearest difference is review sentiment: Octavius at 100% against Diveplanner Tec & Rec's 43%. Octavius also leads on in-app purchases (none vs 3) and update cadence (monthly vs every 3 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Diveplanner Tec & Rec sells 3 one-off in-app purchases. Octavius asks for nothing beyond the download.

Diveplanner Tec & Rec ships an update every 3 months, Octavius monthly. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Diveplanner Tec & Rec | Octavius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/diveplanner-tec-and-rec/id1506985833/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 96 MB | 21 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sensetrails LLC](https://appshunter.io/developer/806088250) | [Yoash Offer](https://appshunter.io/developer/769920342) |

## What reviewers say

### 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 |


### Octavius

[App page](https://appshunter.io/ios/app/octavius/id1660568386)

This app helps scuba divers calculate the optimal amount of weight needed for safe underwater dives. It provides essential calculations to ensure proper buoyancy and a comfortable diving experience.

**Highlights:** Weight calculation for scuba diving, Optimal buoyancy guidance, Underwater dive planning, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Diveplanner Tec & Rec free?

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

### Is Octavius free?

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

### Do Diveplanner Tec & Rec or Octavius have ads?

Neither Diveplanner Tec & Rec nor Octavius shows ads.

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

Diveplanner Tec & Rec ships an update every 3 months, and Octavius monthly. Most recently, Diveplanner Tec & Rec was updated on October 25, 2026 and Octavius on October 15, 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.*