# body.io vs Packstack

The clearest difference is in-app purchases: Packstack at none against body.io's 2. Packstack also leads on update cadence (fortnightly vs every 6 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. body.io sells 2 in-app purchases, starting at $3.99 per month. Packstack asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for body.io against 5.0 for Packstack. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

body.io ships an update every 6 weeks, Packstack fortnightly. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | body.io | Packstack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/bodyio/id6753635190/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/packstack-backpacking-gear/id6760873801/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 52 MB | 44 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Derrick Addo](https://appshunter.io/developer/1844111931) | [Jerad Maplethorpe](https://appshunter.io/developer/1886603203) |

## What reviewers say

### body.io

[App page](https://appshunter.io/ios/app/bodyio/id6753635190)

Analyze your body's progress using AI-powered photo analysis. Track weight, body fat, and muscle trends visually without special equipment. Stay motivated and accountable with clear insights for fat loss or muscle gain goals.

**Highlights:** AI-powered photo analysis, Weight tracking, Body fat percentage tracking, Muscle trend analysis, Visual progress insights, No special equipment needed

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $3.99 | per month |
| Premium Subscription | $18.99 | per year |


### Packstack

[App page](https://appshunter.io/ios/app/packstack-backpacking-gear/id6760873801)

This app helps backpackers and hikers meticulously track gear, organize packing lists, and calculate essential trip details like base weight and calorie needs. It offers a comprehensive gear inventory, reusable kits, and detailed trip planning features. Syncs across devices and allows sharing of setups.

**Highlights:** Gear inventory management, Trip-specific packing lists, Reusable gear kits, Base weight and calorie calculation, Hiker profile creation, Trip planning tools, Gear catalog search

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

**In-app purchases:** none


## Frequently asked questions

### Is body.io free?

body.io is free to download, with in-app purchases available.

### Is Packstack free?

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

### Which has better reviews, body.io or Packstack?

body.io and Packstack are both rated 5.0 out of 5 on the App Store, from 3 and 5 ratings respectively.

### Do body.io or Packstack have ads?

Neither body.io nor Packstack shows ads.

### Which is updated more often, body.io or Packstack?

body.io ships an update every 6 weeks, and Packstack fortnightly. Most recently, body.io was updated on October 5, 2026 and Packstack 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.*