# Photo Replace vs Bonsai Studio by PrismML

The clearest difference is price: Bonsai Studio by PrismML at Free against Photo Replace's $0.99. Bonsai Studio by PrismML also leads on update cadence (every 2 days vs every 5 months) and iOS requirement (17.0 vs 27.0). On ads, in-app purchases and device support there is nothing between them.

Bonsai Studio by PrismML is free to download; Photo Replace costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Photo Replace ships an update every 5 months, Bonsai Studio by PrismML every 2 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Photo Replace | Bonsai Studio by PrismML |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/bonsai-studio-by-prismml/id6767042620/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 6 MB | 100 MB |
| Requires iOS | 27.0 | **17.0** |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Henrik Helmers](https://appshunter.io/developer/982820136) | [Prism ML](https://appshunter.io/developer/1896355493) |

## What reviewers say

### Photo Replace

[App page](https://appshunter.io/ios/app/photo-replace/id1443268770)

**Features:** Vision Pro support

**In-app purchases:** none


### Bonsai Studio by PrismML

[App page](https://appshunter.io/ios/app/bonsai-studio-by-prismml/id6767042620)

Create high-quality images directly on your iPhone without an internet connection. This app uses advanced AI models that run locally, ensuring your prompts and creations remain private on your device. Experience fast, on-device image generation for everyday creative workflows.

**Highlights:** On-device image generation, Offline functionality, Multiple resolutions and aspect ratios, Save images to Photo Library, Built-in prompt moderation, Open weights license

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

**In-app purchases:** none


## Frequently asked questions

### Is Photo Replace free?

Photo Replace costs $0.99, with no in-app purchases.

### Is Bonsai Studio by PrismML free?

Bonsai Studio by PrismML is free to download, with no in-app purchases.

### Do Photo Replace or Bonsai Studio by PrismML have ads?

Neither Photo Replace nor Bonsai Studio by PrismML shows ads.

### Which is updated more often, Photo Replace or Bonsai Studio by PrismML?

Photo Replace ships an update every 5 months, and Bonsai Studio by PrismML every 2 days. Most recently, Photo Replace was updated on October 27, 2026 and Bonsai Studio by PrismML on October 31, 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.*