# Diveplanner Tec & Rec vs IDDA

The clearest difference is in-app purchases: IDDA at none against Diveplanner Tec & Rec's 3. IDDA also leads on update cadence (every 2 weeks vs every 3 months). Diveplanner Tec & Rec's advantage is review sentiment (20% vs 0%) and iOS requirement (13.0 vs 15.6). 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. IDDA asks for nothing beyond the download.

Diveplanner Tec & Rec ships an update every 3 months, IDDA every 2 weeks. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Diveplanner Tec & Rec | IDDA |
| --- | --- | --- |
| 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 | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 37 MB | 37 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sensetrails LLC](https://appshunter.io/developer/806088250) | [IDDA GmbH](https://appshunter.io/developer/1663006167) |

## 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 |


### IDDA

[App page](https://appshunter.io/ios/app/idda/id1663006165)

This platform offers e-learning content and certifications to enhance diving knowledge and prepare for exams. It's designed to make learning and exam preparation more accessible for divers. Future updates promise even more features to support your diving journey.

**Highlights:** E-learning content, Brevet platform, Diving knowledge enhancement, Exam preparation, Accessible learning

**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 IDDA free?

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

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

Neither Diveplanner Tec & Rec nor IDDA shows ads.

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

Diveplanner Tec & Rec ships an update every 3 months, and IDDA every 2 weeks. Most recently, Diveplanner Tec & Rec was updated on October 1, 2026 and IDDA on October 5, 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.*