# Shape Buddy vs Iron Studios

The clearest difference is in-app purchases: Iron Studios at none against Shape Buddy's 6. Shape Buddy's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Shape Buddy sells 6 in-app purchases, starting at $12.99 per month. Iron Studios asks for nothing beyond the download.

Shape Buddy ships an update fortnightly, Iron Studios every 2 months. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Shape Buddy | Iron Studios |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 234 MB | 124 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juicefast d.o.o.](https://appshunter.io/developer/1835444021) | [IRON STUDIOS BARCELONA S.L.](https://appshunter.io/developer/1836213392) |

## What reviewers say

### Shape Buddy

[App page](https://appshunter.io/ios/app/shape-buddy-lose-weight/id6751504716)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Juicefast Premium (Monthly) | $12.99 | per month |
| Juicefast AI Monthly | $12.99 | per month |
| Juicefast Premium (3 Months) | $24.99 | per 3 months |
| Premium Yearly – 40% Off | $41.99 | per year |
| Juicefast Premium (Yearly) | $69.99 | per year |
| Juicefast AI Yearly | $99.99 | per year |


### Iron Studios

[App page](https://appshunter.io/ios/app/iron-studios/id6751650605)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Shape Buddy free?

Shape Buddy is free to download, with in-app purchases available.

### Is Iron Studios free?

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

### Do Shape Buddy or Iron Studios have ads?

Iron Studios shows ads; Shape Buddy does not.

### Which is updated more often, Shape Buddy or Iron Studios?

Shape Buddy ships an update fortnightly, and Iron Studios every 2 months. Most recently, Shape Buddy was updated on November 8, 2026 and Iron Studios on October 30, 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.*