# ZenRing vs Serving It Up!

The clearest difference is update cadence: ZenRing at fortnightly against Serving It Up!'s every 11 months. ZenRing also leads on ratings volume (3 vs 1). On price, rating, ads and in-app purchases 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 ZenRing against 5.0 for Serving It Up!. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

ZenRing ships an update fortnightly, Serving It Up! every 11 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ZenRing | Serving It Up! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/zenring/id6479628518/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/serving-it-up/id6503021488/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 11 months |
| Monetization | Free | Free |
| Size | 66 MB | 2 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [KMAC Consulting LLC](https://appshunter.io/developer/1736660318) | [Matthew Harrington](https://appshunter.io/developer/1607445409) |

## What reviewers say

### ZenRing

[App page](https://appshunter.io/ios/app/zenring/id6479628518)

Manage your wearable devices and track your sports health data, including steps, calories, sleep, and workouts. It provides a readiness score based on your recovery, activity, and sleep patterns to help you adjust your training.

**Highlights:** Device binding management, Health data recording (steps, calories, sleep), Readiness score calculation, Workout data display, Day, month, and year data viewing

**Features:** macOS Compatibility

**In-app purchases:** none


### Serving It Up!

[App page](https://appshunter.io/ios/app/serving-it-up/id6503021488)

Easily track scores for tennis and pickleball matches. Save completed workouts and court locations to enhance your game. View your match history and opponent statistics to see how you stack up.

**Highlights:** Track tennis and pickleball scores, Save match workouts, Store court locations, View match history, Track opponent statistics, Roster management

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is ZenRing free?

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

### Is Serving It Up! free?

Serving It Up! is free to download, with no in-app purchases.

### Which has better reviews, ZenRing or Serving It Up!?

ZenRing and Serving It Up! are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do ZenRing or Serving It Up! have ads?

Neither ZenRing nor Serving It Up! shows ads.

### Which is updated more often, ZenRing or Serving It Up!?

ZenRing ships an update fortnightly, and Serving It Up! every 11 months. Most recently, ZenRing was updated on October 24, 2026 and Serving It Up! on October 25, 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.*