# Who's in Space? vs Weight Tracker

The clearest difference is rating: Weight Tracker at 4.5 against Who's in Space?'s 3.0. Weight Tracker also leads on update cadence (every 6 days vs every 4 months). Who's in Space?'s advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Weight Tracker sells 5 in-app purchases, starting at $1.99 per month. Who's in Space? asks for nothing beyond the download.

Weight Tracker holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Who's in Space? ships an update every 4 months, Weight Tracker every 6 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Who's in Space? | Weight Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/whos-in-space/id916499517/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/weight-tracker/id6755934302/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | **Free** | Freemium |
| Size | 0 MB | 5 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Cameron Bernhardt](https://appshunter.io/developer/916499516) | [Melissa Chan](https://appshunter.io/developer/1854954153) |

## What reviewers say

### Who's in Space?

[App page](https://appshunter.io/ios/app/whos-in-space/id916499517)

Discover the current number of astronauts in orbit and their locations. Tap on an astronaut's name to access more detailed information about their mission.

**Highlights:** Real-time astronaut count, Astronaut location tracking, Detailed astronaut information, Data from Open Notify Astros API, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Weight Tracker

[App page](https://appshunter.io/ios/app/weight-tracker/id6755934302)

Track your weight loss progress with moving averages and smart forecasting. Stay motivated with milestones, customize your dashboard, and secure your data with FaceID or passcode lock. Syncs across Apple devices and integrates with Apple Health.

**Highlights:** Moving average tracking, Smart forecasting, Milestone rings, Customizable dashboard, FaceID/Passcode lock, iCloud sync, Apple Health integration

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $11.99 | per year |
| Monthly Premium | $1.99 | one-time |
| Yearly Premium | $9.99 | one-time |
| Lifetime Premium | $39.99 | one-time |


## Frequently asked questions

### Is Who's in Space? free?

Who's in Space? is free to download, with no in-app purchases.

### Is Weight Tracker free?

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

### Which has better reviews, Who's in Space? or Weight Tracker?

Weight Tracker is rated higher. Who's in Space? averages 3.0 out of 5 from 2 ratings, while Weight Tracker averages 4.5 from 4 ratings.

### Do Who's in Space? or Weight Tracker have ads?

Neither Who's in Space? nor Weight Tracker shows ads.

### Which is updated more often, Who's in Space? or Weight Tracker?

Who's in Space? ships an update every 4 months, and Weight Tracker every 6 days. Most recently, Who's in Space? was updated on October 24, 2026 and Weight Tracker 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.*