Comparison

UDCast vs Image Bulk Saver / iDig

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

UDCast

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
Read full description

The UDCast app recognizes vocal information received through your device’s microphone, and displays captions and sign-language interpretation on your device’s screen. It can also output voice guidance through your device’s earphones. Before using UDCast for the first time… (1) At the top UDCast screen, select Test. Then go to the reception area to confirm that your device is working properly. (2) Before using, you must connect to the Internet and download the desired assistance data (voice guide, captions, and/or sign-language help). For detailed help, see the Usage Guide.

About

Image Bulk Saver / iDig

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
Read full description

Save images you find on the web — all at once, and effortlessly. Whether it's a handful of pictures or thousands, iDig lets you download and organize them with ease. 【Download】 - Download all images on a web page at once - Select only the images you want - Auto-detect numbered image sequences (e.g. 001.jpg, 002.jpg) - Filter to download only images that are linked 【Organize】 - Saved images are automatically organized into folders - Fast even with thousands of folders and tens of thousands of images - Merge multiple folders together - Browse with thumbnails and a slideshow - Filter by image size (L/M/S) 【Comfort】 - Free built-in ad blocking (no purchase required) - Dark mode support - Retina display support - Full iPad support - Xscreen compatible 【More】 - Convert saved images into a PDF file - Copy images to your Camera Roll - Clean, modern, distraction-free design Trusted by users since its release in 2017. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

UDCast4 screens
Image Bulk Saver / iDig4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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 23, 2026 respectively.

Scorecard5 real differences · 5 level
UDCast versus Image Bulk Saver / iDig: the parameters behind the verdict, then further details
ParameterUDCastImage Bulk Saver / iDig
PriceFreeFree
Rating—4.2 (151 ratings) — better
Positive reviews40.7% of reviews53.0% of reviews — better
Number of ratings—151 — better
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size13 MB49 MB
Age rating4+17+
DeveloperPalabra Inc.Koichiro Umemiya

Customer experience

UDCast

Written reviews27 reviews
Positive40.7%
Neutral7.4%
Negative51.9%

Image Bulk Saver / iDig

All ratings151 ratings
Positive78.8%
Neutral7.3%
Negative13.9%
Written reviews115 reviews
Positive53.0%
Neutral13.9%
Negative33.0%

In-app purchases

None

UDCast

No in-app purchases

2 purchases

Image Bulk Saver / iDig

Subscriptions1
  • Premium (1 month)$3.491 Month
One-time1
  • Premium / Turn off ads$24.99

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 23, 2026.

Other comparisons