# PP+ Image Formation vs StoneBusters

The clearest difference is price: StoneBusters at Free against PP+ Image Formation's $1.99. StoneBusters also leads on update cadence (every 2 weeks vs every 3 months) and device support (4 vs 1). On ads and in-app purchases there is nothing between them.

StoneBusters is free to download; PP+ Image Formation costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PP+ Image Formation ships an update every 3 months, StoneBusters every 2 weeks. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | PP+ Image Formation | StoneBusters |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 91 MB | 55 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) | [FABRIZIO TOZZI](https://appshunter.io/developer/1804697065) |

## What reviewers say

### PP+ Image Formation

[App page](https://appshunter.io/ios/app/pp-plus-image-formation-lenses/id599292005)

**Features:** macOS Compatibility

**In-app purchases:** none


### StoneBusters

[App page](https://appshunter.io/ios/app/stonebusters/id6743808912)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PP+ Image Formation free?

PP+ Image Formation costs $1.99, with no in-app purchases.

### Is StoneBusters free?

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

### Do PP+ Image Formation or StoneBusters have ads?

Neither PP+ Image Formation nor StoneBusters shows ads.

### Which is updated more often, PP+ Image Formation or StoneBusters?

PP+ Image Formation ships an update every 3 months, and StoneBusters every 2 weeks. Most recently, PP+ Image Formation was updated on October 15, 2026 and StoneBusters on October 4, 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.*