# Rivalists vs Day Zero

The clearest difference is iOS requirement: Rivalists at 16.0 against Day Zero's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Rivalists | Day Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/rivalists/id1638560877/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 82 MB | 3 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Athleticus Inc](https://appshunter.io/developer/1638560879) | [Quentin Perrot](https://appshunter.io/developer/6787778666) |

## What reviewers say

### Rivalists

[App page](https://appshunter.io/ios/app/rivalists/id1638560877)

This app helps athletes and active individuals optimize their health and performance by syncing data from wearables and health apps. It facilitates real-time connection with physical therapists, coaches, or trainers for personalized care and progress monitoring.

**Highlights:** Sync health data from 100+ sources, Message with PT, Coach, or Trainer, Access assigned workouts, Track activity, sleep, and recovery, Share key metrics securely with providers

**In-app purchases:** none


### Day Zero

[App page](https://appshunter.io/ios/app/day-zero-habit-ledger/id6787778663)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rivalists free?

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

### Is Day Zero free?

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

### Do Rivalists or Day Zero have ads?

Neither Rivalists nor Day Zero shows ads.

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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.*