Comparison

Invenio vs Video DRM

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

Head to head
About

Invenio

Instantly find any YouTube video using spoken words from a clip. This AI-powered search engine scans over 1 billion video transcripts to locate content based on phrases you remember. Perfect for rediscovering lost clips or specific channel videos.

Highlights
  • Transcript-based video search
  • AI-powered search algorithm
  • Search over 1 billion YouTube videos
  • Filter by specific YouTube channels
  • Exact phrase searching with quotes
  • Locate videos from spoken words
Features
Read full description

Invenio is a revolutionary video search engine that harnesses the power of transcripts to help you find any YouTube video instantly, even if you only know a few spoken words from a clip. Have you ever seen a short video clip on TikTok, Instagram, or Snapchat and wanted to watch the full video, but had no clue what it was called or who posted it? With Invenio, all you need to do is type in a few words from the clip, and our AI powered app will search through over 1 Billion YouTube videos to locate the original video within seconds. Invenio's innovative search algorithm doesn't just look for video titles or descriptions – it scans the actual spoken content of each video. Simply enter a phrase or sentence you remember from the clip, and Invenio will return a list of matching videos, ranked by relevance. For even more precise results, use quotation marks to search for an exact phrase. Invenio's advanced search capabilities make it easy to find that elusive video, even if you only caught a fleeting glimpse. But Invenio isn't just for finding random clips – it's also an invaluable tool for exploring specific YouTube channels. If you're trying to locate a particular video from a channel with hundreds of uploads, simply filter your search by that channel, and Invenio will comb through the transcripts to surface the videos containing your search terms. Whether you're a student looking for a lecture you missed, a researcher digging for a specific interview, or simply someone who wants to rediscover a hilarious viral moment, Invenio is the ultimate video search companion. Its lightning-fast, transcript-based search puts the power of over 1 Billion YouTube videos at your fingertips. Download Invenio today and never lose track of a video again! ••• Terms Of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Video DRM

Secure your MP4 video files using Digital Rights Management. Encrypt videos with passwords, watermarks, and expiration dates. Files can only be accessed through this application, ensuring your content remains protected.

Highlights
  • Digital Rights Management (DRM) protection
  • Password encryption
  • Watermarking
  • Expiration dates for videos
  • Offline data entry
  • MP4 format support
Features
Read full description

Note: This app only supports the MP4 video format. Easily protect your video files with Digital Rights Management (DRM). Encrypt the file with a password, watermark, and expiration date. The file will only open with our app. You can enter all data offline. We only need internet access to verify the video's expiration date. We do not request any permissions to use this app. If you need help, please email us at support@pdfcandle.com For the END USER LICENSE AGREEMENT FOR THE LICENSED APPLICATION, please use this link: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Invenio4 screens
Video DRM3 screens

Verdict

The call

The clearest difference is update cadence: Video DRM at every 3 weeks against Invenio's every 6 weeks. Video DRM also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17). Invenio's advantage is ratings volume (4 vs 1). On price, rating, review sentiment and ads 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. Invenio sells 2 in-app purchases, starting at $4.99 per month and Video DRM sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Invenio against 5.0 for Video DRM. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Invenio ships an update every 6 weeks, Video DRM every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Invenio versus Video DRM: the parameters behind the verdict, then further details
ParameterInvenioVideo DRM
PriceFreeFree
Rating5.0 (4 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings4 — better1
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS1715.0 — better
Further details — not scored
Size4 MB85 MB
Age rating4+4+
DeveloperSomething Dope Co, LLCAhmed Elnaggar

Customer experience

Invenio

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Video DRM

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Invenio

Subscriptions2
  • All Access Monthly$4.991 Month
  • All Access Yearly$44.991 Year
1 purchases

Video DRM

Subscriptions1
  • Subscription monthly3 Days trial$4.991 Month

Questions

Is Invenio free?
Invenio is free to download, with in-app purchases available.
Is Video DRM free?
Video DRM is free to download, with in-app purchases available.
Which has better reviews, Invenio or Video DRM?
Invenio and Video DRM are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.
Do Invenio or Video DRM have ads?
Neither Invenio nor Video DRM shows ads.
Which is updated more often, Invenio or Video DRM?
Invenio ships an update every 6 weeks, and Video DRM every 3 weeks. Most recently, Invenio was updated on November 4, 2026 and Video DRM on October 31, 2026.

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