Comparison

ShareLink Pro vs Proof Locker

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

Head to head
About

ShareLink Pro

Wirelessly share content from your iPhone or iPad to a room display for presentations. Supports sharing images, videos, and screen mirroring. Offers modes for open collaboration or moderated control.

Highlights
  • Wireless content sharing
  • Screen mirroring
  • Simultaneous multi-item sharing
  • Basic Collaboration Mode
  • Moderator Mode
  • Easy integration with AV systems
Read full description

Extron ShareLink™ Pro is a user-friendly app for wirelessly sharing content from your smartphone or tablet for presentation on the room display. It enables connection of Apple® iPhones and iPads to an Extron ShareLink Pro presentation system via the existing Wi Fi network. Use the app to share images or video from your device or iCloud drive as well as images captured using your camera. Multiple items can be shared simultaneously, appearing side-by-side on the display. Similar to mirroring content to an AppleTV, you can mirror your screen on the room display while using the app. Simply select your ShareLink Pro from the list of available AirPlay devices. The app supports two operational modes. Basic Collaboration Mode allows any user to share content, while Moderator Mode enables a designated moderator to control which users can share content. Whether presenting or sharing BYOD content, the app ensures easy integration of iPhones and iPads into professional AV systems. Setup is fast and easy! Install the Extron ShareLink Pro wired and wireless presentation system, connect to the ShareLink Pro system, and launch the ShareLink Pro app to start sharing content.

About

Proof Locker

Organize and export important documents, agreements, and photo-backed records as clear PDF reports. This local-first app keeps your data on your device, giving you control over sharing and export.

Highlights
  • Create proof files and agreement records
  • Add photos and factual notes
  • Timestamp and GPS address stamps
  • Export PDF reports
  • Local-first data storage
  • Edit and filter saved records
  • Advanced PDF layouts and signature tools
Features
Read full description

Keep important records organized and ready to export. Proof Locker is a local-first documentation app for creating proof files, agreement records, photo-backed records, and clear PDF reports. Records and photos remain on your device unless you choose to export or share them. STARTER ACCESS • Create up to 3 total records • Add up to 5 photos per record • Create categorized proof files and agreement records • Add factual notes, custom details, timestamps, and optional GPS address stamps • Export 1 total PDF report OPTIONAL PLUS SUBSCRIPTION — IN-APP PURCHASE REQUIRED • Store up to 100 local records • Add up to 20 photos per record • Unlimited PDF exports while subscribed • Edit existing records • Search and filter saved records • Export an all-records summary OPTIONAL PRO SUBSCRIPTION — IN-APP PURCHASE REQUIRED • Unlimited local records • Add up to 50 photos per record • Everything included with Plus • Complete chronological record timeline • Record duplication • Advanced PDF layouts, covers, headers, and footers • Signature tools • Printable notary sections LOCAL-FIRST STORAGE Proof Locker does not store proof files or photos on developer-paid cloud file storage. You control when and where records are exported. Because records are stored locally, deleting the app may remove them, so export important records to a backup location you control. SUBSCRIPTIONS Plus and Pro are optional monthly auto-renewing subscriptions purchased through Apple In-App Purchase. Payment is charged to your Apple ID. Subscriptions automatically renew unless canceled before the renewal date. Manage or cancel subscriptions in Apple subscription settings. Restore Purchases is available inside the app. Proof Locker organizes user-created documentation for personal records. It does not certify, verify, notarize, authenticate identities, determine legal validity, or provide legal advice. GPS address data may be approximate. Privacy Policy: https://ironstrikerevival.com/proof-locker-privacy-policy/ Terms of Use: https://ironstrikerevival.com/proof-locker-terms-of-use/

Screenshots

ShareLink Pro4 screens
Proof Locker4 screens

Verdict

The call

The clearest difference is review sentiment: Proof Locker at 100% against ShareLink Pro's 36%. Proof Locker also leads on rating (5.0 vs 3.2) and update cadence (every 8 days vs every 3 months). ShareLink Pro's advantage is in-app purchases (none vs 2) and ads (none vs shown). 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. Proof Locker sells 2 in-app purchases, starting at $6.99 per month. ShareLink Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Proof Locker holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: ShareLink Pro has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 36% of ShareLink Pro's written reviews are positive against 100% of Proof Locker's.

UpkeepUpdate frequency

ShareLink Pro ships an update every 3 months, Proof Locker every 8 days. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.

Scorecard7 real differences · 3 level
ShareLink Pro versus Proof Locker: the parameters behind the verdict, then further details
ParameterShareLink ProProof Locker
PriceFreeFree
Rating3.2 (13 ratings)5.0 (2 ratings) — better
Positive reviews36.4% of reviews100.0% of reviews — better
Number of ratings13 — better2
Update frequencyEvery 3 monthsEvery 8 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.2 — better15.1
Further details — not scored
Size54 MB48 MB
Age rating4+4+
DeveloperExtron ElectronicsJustin Cummins

Customer experience

ShareLink Pro

All ratings13 ratings
Positive53.8%
Neutral0.0%
Negative46.2%
Written reviews11 reviews
Positive36.4%
Neutral0.0%
Negative63.6%

Proof Locker

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ShareLink Pro

No in-app purchases

2 purchases

Proof Locker

Subscriptions2
  • Proof Locker Plus$6.991 Month
  • Proof Locker Pro$12.991 Month

Questions

Is ShareLink Pro free?
ShareLink Pro is free to download, with no in-app purchases.
Is Proof Locker free?
Proof Locker is free to download, with in-app purchases available.
Which has better reviews, ShareLink Pro or Proof Locker?
Proof Locker is rated higher. ShareLink Pro averages 3.2 out of 5 from 13 ratings, while Proof Locker averages 5.0 from 2 ratings.
Do ShareLink Pro or Proof Locker have ads?
Proof Locker shows ads; ShareLink Pro does not.
Which is updated more often, ShareLink Pro or Proof Locker?
ShareLink Pro ships an update every 3 months, and Proof Locker every 8 days. Most recently, ShareLink Pro was updated on September 26, 2026 and Proof Locker on October 5, 2026.

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