# HeatNext vs Clay Box

The clearest difference is price: HeatNext at Free against Clay Box's $4.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

HeatNext is free to download; Clay Box costs $4.99 up front. HeatNext sells 4 in-app purchases, starting at $1.99 per month and Clay Box sells 15 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | HeatNext | Clay Box |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[4.4 (40 ratings)](https://appshunter.io/ios/app/clay-box/id1488510965/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | — | 70.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Paid |
| Size | 44 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomnio](https://appshunter.io/developer/1440372439) | [Sarah Hill](https://appshunter.io/developer/1378029846) |

## What reviewers say

### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $1.99 | per month |
| Advanced Package | $3.99 | per month |
| Plus Package | $18.99 | per year |
| Advanced Package | $37.99 | per year |


### Clay Box

[App page](https://appshunter.io/ios/app/clay-box/id1488510965)

Discover and create clay recipes, design color palettes using photos, and find complementary colors. Search for recipes by specific clay colors or explore their appearance in blends. Supports multiple popular clay brands.

**Highlights:** Access clay recipe database, Create custom recipes, Design color palettes from photos, Find analogous/complementary colors, Search recipes by color, Supports multiple clay brands

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Earth tones palette - Prem0 | Free | one-time |
| Greens palette - Premo | $1.99 | one-time |
| Sandy Teal color palette | $1.99 | one-time |
| Orange Ombre palette | $1.99 | one-time |
| Metallic Fall Colors | $1.99 | one-time |
| Metallic Mermaid palette | $1.99 | one-time |
| Sweater weather palette | $1.99 | one-time |
| Succulent palette | $1.99 | one-time |
| Blue Jeans palette | $1.99 | one-time |
| Pink Lily palette | $1.99 | one-time |
| Halloween Metallics - Premo | $1.99 | one-time |
| Tutti Frutti palette | $1.99 | one-time |
| Wildflower palette - Premo | $1.99 | one-time |
| Pink sunset palette | $1.99 | one-time |
| Adrift at Sea | $1.99 | one-time |


## Frequently asked questions

### Is HeatNext free?

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

### Is Clay Box free?

Clay Box costs $4.99, and also offers in-app purchases.

### Do HeatNext or Clay Box have ads?

Neither HeatNext nor Clay Box shows ads.

### Which is updated more often, HeatNext or Clay Box?

HeatNext ships an update every 2 months, and Clay Box every 2 months. Most recently, HeatNext was updated on October 25, 2026 and Clay Box on October 26, 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.*