# Dolphin Dive Hydration vs Kynovo

The clearest difference is rating: Dolphin Dive Hydration at 5.0 against Kynovo's 4.7. Kynovo's advantage is update cadence (every 5 days vs every 3 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Dolphin Dive Hydration sells 2 in-app purchases, starting at $2.99 per month and Kynovo sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Dolphin Dive Hydration holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

Dolphin Dive Hydration ships an update every 3 weeks, Kynovo every 5 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dolphin Dive Hydration | Kynovo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dolphin-dive-hydration/id6786387070/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/kynovo/id6791651028/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Freemium | Freemium |
| Size | 42 MB | 43 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PHOEBE POHL](https://appshunter.io/developer/6786387072) | [Joshua Weber](https://appshunter.io/developer/6791651030) |

## What reviewers say

### Dolphin Dive Hydration

[App page](https://appshunter.io/ios/app/dolphin-dive-hydration/id6786387070)

This app gamifies hydration by letting you power a dolphin through an underwater world with each sip of water. Build a streak, unlock skins, and track your progress without disruptive notifications. Make staying hydrated a calming and joyful experience.

**Highlights:** Log drinks to power a dolphin, Unlock dolphin skins and ocean zones, Silent notifications with haptics, Track hydration streaks and history, Customizable goals and cup sizes, Premium features via subscription

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dolphin Dive Monthly Premium | $2.99 | per month |
| Dolphin Dive Premium | $19.99 | per year |


### Kynovo

[App page](https://appshunter.io/ios/app/kynovo/id6791651028)

This app helps weightlifters track workouts and nutrition with simple logging, rest timers, and progress analysis. It offers custom routine building and suggests next sets based on logged effort. Optional premium features provide advanced coaching and analytics.

**Highlights:** Log sets, reps, and weight, Built-in rest timer, Automatic personal-best detection, Easy nutrition logging, Interactive strength charts, Custom routine building, Next-Set coaching suggestions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kynovo Pro Monthly | $8.99 | per month |
| Kynovo Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is Dolphin Dive Hydration free?

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

### Is Kynovo free?

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

### Which has better reviews, Dolphin Dive Hydration or Kynovo?

Dolphin Dive Hydration is rated higher. Dolphin Dive Hydration averages 5.0 out of 5 from 3 ratings, while Kynovo averages 4.7 from 3 ratings.

### Do Dolphin Dive Hydration or Kynovo have ads?

Neither Dolphin Dive Hydration nor Kynovo shows ads.

### Which is updated more often, Dolphin Dive Hydration or Kynovo?

Dolphin Dive Hydration ships an update every 3 weeks, and Kynovo every 5 days. Most recently, Dolphin Dive Hydration was updated on October 28, 2026 and Kynovo 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.*