# UDCast vs Image Bulk Saver / iDig

The clearest difference is in-app purchases: UDCast at none against Image Bulk Saver / iDig's 2. UDCast also leads on ads (none vs shown). Image Bulk Saver / iDig's advantage is update cadence (every 3 days vs every 2 months) and review sentiment (53% vs 41%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Image Bulk Saver / iDig sells 2 in-app purchases, starting at $3.49 per month. UDCast asks for nothing beyond the download.

UDCast ships an update every 2 months, Image Bulk Saver / iDig every 3 days. The most recent releases landed on September 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | UDCast | Image Bulk Saver / iDig |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (151 ratings)](https://appshunter.io/ios/app/image-bulk-saver-idig/id1208127205/reviews)** |
| Number of ratings | — | **151** |
| Positive reviews | 40.7% of reviews | **53.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 49 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Palabra Inc.](https://appshunter.io/developer/942962606) | [Koichiro Umemiya](https://appshunter.io/developer/1208127204) |

## What reviewers say

### UDCast

[App page](https://appshunter.io/ios/app/udcast/id899342269)

This application converts spoken words into on-screen captions and sign language interpretation. It also offers voice guidance through earphones, enhancing accessibility for users.

**Highlights:** Vocal recognition, On-screen captions, Sign language interpretation, Voice guidance output, Internet-based data download, Device testing function

**Features:** Vision Pro support

**In-app purchases:** none


### Image Bulk Saver / iDig

[App page](https://appshunter.io/ios/app/image-bulk-saver-idig/id1208127205)

Easily download and organize multiple images from the web. Preview, filter, and sort your saved pictures, with options to convert them to PDF or copy them to your camera roll. Enjoy a modern design with ad blocking.

**Highlights:** Download multiple web images, Organize images in app folders, Preview thumbnails and slideshow, Filter images by size and link status, Auto-search numbered images, Convert images to PDF, Ad blocking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium  (1 month) | $3.49 | per month |
| Premium / Turn off ads | $24.99 | one-time |


## Frequently asked questions

### Is UDCast free?

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

### Is Image Bulk Saver / iDig free?

Image Bulk Saver / iDig is free to download, with in-app purchases available.

### Do UDCast or Image Bulk Saver / iDig have ads?

Image Bulk Saver / iDig shows ads; UDCast does not.

### Which is updated more often, UDCast or Image Bulk Saver / iDig?

UDCast ships an update every 2 months, and Image Bulk Saver / iDig every 3 days. Most recently, UDCast was updated on September 29, 2026 and Image Bulk Saver / iDig on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*