# Atomic Jiu vs Sip

The clearest difference is update cadence: Sip at every 5 days against Atomic Jiu's every 2 months. Atomic Jiu's advantage is iOS requirement (13.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Atomic Jiu against 5.0 for Sip. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Atomic Jiu ships an update every 2 months, Sip every 5 days. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Atomic Jiu | Sip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/atomic-jiu-jitsu/id6747397243/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/sip-simple-hydration-tracker/id6759207215/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 40 MB | 44 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Atomic United LLC](https://appshunter.io/developer/1821236151) | [George Hum](https://appshunter.io/developer/1877413747) |

## What reviewers say

### Atomic Jiu

[App page](https://appshunter.io/ios/app/atomic-jiu-jitsu/id6747397243)

Manage your martial arts training and membership conveniently from your phone. Check into classes, update payment details, book sessions, and access exclusive content.

**Highlights:** Class check-in, Account management, Payment updates, Session booking, Content library access

**Features:** macOS Compatibility

**In-app purchases:** none


### Sip

[App page](https://appshunter.io/ios/app/sip-simple-hydration-tracker/id6759207215)

This app helps you monitor your daily water intake with a straightforward interface. It calculates personalized hydration goals based on your lifestyle and provides simple analytics on your progress and streaks. The design is clean and intuitive, making it easy to log drinks and stay on track.

**Highlights:** Personalized daily hydration target calculation, Quick drink logging and removal, Streak and target achievement analytics, Intuitive iOS-inspired UI, Simple onboarding process

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Atomic Jiu free?

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

### Is Sip free?

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

### Which has better reviews, Atomic Jiu or Sip?

Atomic Jiu and Sip are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Atomic Jiu or Sip have ads?

Neither Atomic Jiu nor Sip shows ads.

### Which is updated more often, Atomic Jiu or Sip?

Atomic Jiu ships an update every 2 months, and Sip every 5 days. Most recently, Atomic Jiu was updated on October 2, 2026 and Sip on October 18, 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.*