# Image Singularity vs DarkRef

The clearest difference is price: DarkRef at Free against Image Singularity's $0.99. DarkRef also leads on update cadence (every 3 weeks vs every 9 months) and device support (4 vs 2). Image Singularity's advantage is in-app purchases (none vs 2). On ads and iOS requirement there is nothing between them.

DarkRef is free to download; Image Singularity costs $0.99 up front. DarkRef sells 2 in-app purchases, starting at $1.99 per month. Image Singularity asks for nothing beyond the download.

Image Singularity ships an update every 9 months, DarkRef every 3 weeks. The most recent releases landed on September 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Image Singularity | DarkRef |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[2.8 (4 ratings)](https://appshunter.io/ios/app/darkref-art-reference-board/id6757864307/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 1.1 GB | 62 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Norbert Grieger](https://appshunter.io/developer/1437060665) | [Timothy Patrick Dommett](https://appshunter.io/developer/1869353422) |

## What reviewers say

### Image Singularity

[App page](https://appshunter.io/ios/app/image-singularity/id6446233627)

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

**In-app purchases:** none


### DarkRef

[App page](https://appshunter.io/ios/app/darkref-art-reference-board/id6757864307)

Organize your visual inspiration with images, GIFs, and notes. This app offers a free, intuitive platform for artists to manage references across all devices, with optional cloud sync for seamless backup and access.

**Highlights:** Unlimited boards and images, Image and GIF support, Notes and annotations, Folder organization, Offline access, Cross-device sync

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sync Monthly | $1.99 | per month |
| Sync Annual | $9.99 | per year |


## Frequently asked questions

### Is Image Singularity free?

Image Singularity costs $0.99, with no in-app purchases.

### Is DarkRef free?

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

### Do Image Singularity or DarkRef have ads?

Neither Image Singularity nor DarkRef shows ads.

### Which is updated more often, Image Singularity or DarkRef?

Image Singularity ships an update every 9 months, and DarkRef every 3 weeks. Most recently, Image Singularity was updated on September 15, 2026 and DarkRef on September 28, 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.*