# Objective Zero vs Water Captain

The clearest difference is review sentiment: Water Captain at 100% against Objective Zero's 43%. Water Captain also leads on update cadence (every 5 days vs every 6 weeks) and rating (4.8 vs 4.5). Objective Zero's advantage is in-app purchases (none vs 2) and iOS requirement (15.6 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Water Captain sells 2 in-app purchases, starting at $0.99 per month. Objective Zero asks for nothing beyond the download.

Water Captain holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 33 and 12 respectively. Written reviews point the same way: 43% of Objective Zero's written reviews are positive against 100% of Water Captain's.

Objective Zero ships an update every 6 weeks, Water Captain every 5 days. The most recent releases landed on October 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Objective Zero | Water Captain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (33 ratings)](https://appshunter.io/ios/app/objective-zero/id1304706914/reviews) | **[4.8 (12 ratings)](https://appshunter.io/ios/app/water-captain/id1535117212/reviews)** |
| Number of ratings | **33** | 12 |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 112 MB | 36 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Objective Zero Foundation](https://appshunter.io/developer/1304706913) | [No Impact Applications LLC](https://appshunter.io/developer/1219572927) |

## What reviewers say

### Objective Zero

[App page](https://appshunter.io/ios/app/objective-zero/id1304706914)

Connects US military service members and Veterans with a nationwide peer support network through secure voice, video, and text. It also provides access to mental health, wellness, and Veteran-related resources. Users can register to connect with the Pathfinder network or serve as a Pathfinder to support others.

**Highlights:** Secure voice, video, and text communication, Nationwide peer support network, Access to mental health resources, Wellness and Veteran-related resources, Pathfinder training (basic and advanced), Connect with other service members and Veterans

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

**In-app purchases:** none


### Water Captain

[App page](https://appshunter.io/ios/app/water-captain/id1535117212)

This app helps you track your daily water intake and encourages healthy hydration habits. It integrates with Apple Health and allows you to challenge friends to meet hydration goals together. Embark on a journey to better wellness by staying properly hydrated.

**Highlights:** Log daily water consumption, Integrates with Apple Health, Invite friends for accountability, Challenge hydration goals, Veteran-owned and crafted, Completely free

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water Captain - Full Access | $0.99 | per month |
| Quarterly - Full Access | $2.49 | per 3 months |


## Frequently asked questions

### Is Objective Zero free?

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

### Is Water Captain free?

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

### Which has better reviews, Objective Zero or Water Captain?

Water Captain is rated higher. Objective Zero averages 4.5 out of 5 from 33 ratings, while Water Captain averages 4.8 from 12 ratings.

### Do Objective Zero or Water Captain have ads?

Neither Objective Zero nor Water Captain shows ads.

### Which is updated more often, Objective Zero or Water Captain?

Objective Zero ships an update every 6 weeks, and Water Captain every 5 days. Most recently, Objective Zero was updated on October 8, 2026 and Water Captain on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*