# Dive Plan vs PHRF TOD Calculator

The clearest difference is price: Dive Plan at Free against PHRF TOD Calculator's $0.99. Dive Plan also leads on review sentiment (37% vs 0%) and update cadence (monthly vs every 30 months). PHRF TOD Calculator's advantage is in-app purchases (none vs 4). On ads, monetization model, device support and iOS requirement there is nothing between them.

Dive Plan is free to download; PHRF TOD Calculator costs $0.99 up front. Dive Plan sells 4 in-app purchases, starting at $2.99 per month. PHRF TOD Calculator asks for nothing beyond the download.

Dive Plan ships an update monthly, PHRF TOD Calculator every 30 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dive Plan | PHRF TOD Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.8 (8 ratings)](https://appshunter.io/ios/app/dive-plan/id496279549/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **36.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 30 months |
| Monetization | Paid | Paid |
| Size | 2 MB | 2 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AXIS Productions](https://appshunter.io/developer/472646203) | [LTS Technology Inc](https://appshunter.io/developer/533235880) |

## What reviewers say

### Dive Plan

[App page](https://appshunter.io/ios/app/dive-plan/id496279549)

This app serves as a digital decompression table and logbook for divers. It helps calculate non-stop dive times and log dives, compatible with major diving organizations' tables. It supports both air and enriched air (nitrox) tanks.

**Highlights:** Digital decompression tables, Dive logbook, Compatibility with major diving organizations, Supports air and nitrox tanks, Practice for dive certification exams, General dive planning guide

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dive Plan Pro - Monthly | $2.99 | per month |
| Dive Plan Pro - Annual | $17.99 | per year |
| Nitrox EANX Mode | $2.99 | one-time |
| Dive Plan Pro Lifetime | $69.99 | one-time |


### PHRF TOD Calculator

[App page](https://appshunter.io/ios/app/phrf-tod-calculator/id1134979731)

Calculate sailboat racing times with this tool. Input start time, finish time, handicap, and course length to determine allowance, elapsed time, and corrected time. Useful for race committees and individual racers.

**Highlights:** Calculate corrected time, Enter start and finish times, Input boat handicap, Specify course length, Determine boat allowance, Calculate elapsed time

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

**In-app purchases:** none


## Frequently asked questions

### Is Dive Plan free?

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

### Is PHRF TOD Calculator free?

PHRF TOD Calculator costs $0.99, with no in-app purchases.

### Do Dive Plan or PHRF TOD Calculator have ads?

Neither Dive Plan nor PHRF TOD Calculator shows ads.

### Which is updated more often, Dive Plan or PHRF TOD Calculator?

Dive Plan ships an update monthly, and PHRF TOD Calculator every 30 months. Most recently, Dive Plan was updated on October 23, 2026 and PHRF TOD Calculator on October 24, 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.*