Comparison

Callblock vs IntelliScan

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

Head to head
About

Callblock

This app helps you block unwanted telemarketing calls on your iPhone. It uses a large, constantly updated directory to identify and filter out spam calls, offering a high accuracy rate. While it cannot block calls with no caller ID, it significantly reduces interruptions from telemarketers.

Highlights
  • Blocks telemarketing calls
  • Large directory of telemarketers
  • High identification accuracy
  • Customizable caller list
  • iOS call blocking integration
Features
Read full description

Callblock is the first app that lets you stop telemarketing phone calls in iOS (https://techcrunch.com/2016/09/07/callblocks-new-ios-app-will-block-calls-from-over-2-million-telemarketers/), with the world’s biggest directory of telemarketers – now over 3,000,000 classified entries from over 100 countries! The app identifies 86.7 percent of telemarketing calls correctly with a false-positive rate of only 1.7 percent on average. Note: Callblock *cannot* block calls with no caller ID – this is an iOS limitation, but most telemarketers don’t block their caller IDs. The app is free to try for one month then will renew automatically using your Apple account for $1.99 monthly or $19.99 yearly afterwards – you can cancel anytime by going to your account settings in iOS or iTunes. See Callblock’s terms of use at https://callblockapp.com/terms and privacy policy at https://www.iubenda.com/privacy-policy/7907565. You love your iPhone – except sometimes the phone part and, in particular, the telemarketers often on the other end of the line. Telemarketers make 148 million annoying, time-wasting calls per day according to consumer-group Private Citizen and do-not-call lists (where available) do not work (and weren’t even meant to for many types of telemarketers) according to governments themselves. Callblock helps prevent these calls. The app blocks unwanted telephone calls not iMessage, SMS, or MMS messages. To enable Callblock to block calls: 1. tap the “Settings” app, 2. tap “Phone” > “Call Blocking & Identification”, then 3. toggle the “Callblock” switch on. To unblock calls, go to the “Callblock” app. To add, remove, or reclassify a missing or misclassified caller, tap the “Add caller” button. Enabling Callblock or making changes in the app may require up to a minute to take effect. If you have questions or comments, follow and message us: • https://www.facebook.com/callblockapp • https://www.instagram.com/callblockapp/ • https://twitter.com/callblockapp ••• Callblock was created and is maintained by Rocketship, an award-winning app studio whose mission is to design and develop the finest mobile and web experiences.

About

IntelliScan

This app allows school nutrition professionals to scan receipts and inventory using UPC codes or manual uploads. It helps reduce errors and streamline inventory management for school districts, with optional syncing to existing databases.

Highlights
  • Scan receipts and inventory via UPC codes
  • Manual inventory upload option
  • Sync with PrimeroEdge inventory module
  • Reduce human error in counts
  • Streamline inventory with barcode scanners
Features
Read full description

IntelliScan provides school nutrition professional with an online app to physically scan receipts and inventory counts via UPC codes. If no UPCs are available, warehouse staff can manually upload inventory counts into IntelliScan. School Districts with the PrimeroEdge inventory module can sync their physical inventory counts with their PrimeroEdge database. With IntelliScan, school districts no longer have to rely on pen and paper - allowing for more accurate inventory counts and reducing human error. Districts can sync IntelliScan with various accessories, like handheld barcode scanners, to streamline their counts and confirm receipts with ease.

Screenshots

Callblock4 screens
IntelliScan4 screens

Verdict

The call

The clearest difference is rating: IntelliScan at 5.0 against Callblock's 3.3. IntelliScan also leads on in-app purchases (none vs 2). Callblock's advantage is ratings volume (51 vs 1) and update cadence (every 2 months vs every 7 months). On price, ads and device support 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. Callblock sells 2 in-app purchases, starting at $1.99 per month. IntelliScan asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

IntelliScan holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Callblock has 51 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Callblock ships an update every 2 months, IntelliScan every 7 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

Scorecard6 real differences · 4 level
Callblock versus IntelliScan: the parameters behind the verdict, then further details
ParameterCallblockIntelliScan
PriceFreeFree
Rating3.3 (51 ratings)5.0 (1 ratings) — better
Positive reviews53.9% of reviews—
Number of ratings51 — better1
Update frequencyEvery 2 months — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better13.0
Further details — not scored
Size107 MB12 MB
Age rating4+4+
DeveloperRocketship AppsCybersoft PrimeroEdge

Customer experience

Callblock

All ratings51 ratings
Positive54.9%
Neutral9.8%
Negative35.3%
Written reviews76 reviews
Positive53.9%
Neutral3.9%
Negative42.1%

IntelliScan

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Callblock

Reported bugs

6 issues
  • Does not work on iOS 14
  • App won't stop loading
  • Bug prevents unblocking calls
  • Error enabling extension
  • Does not work with passcode protection
Show 1 more
  • Lost subscription status after upgrade

Requested features

5 requests
  • Ability to see blocked calls log
  • Option to provide updates to categories
  • Improved blocking for local number spoofing
  • Clearer indication of active blocking
  • Dark mode option

IntelliScan

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Callblock

Subscriptions2
  • Monthly1 Month trial$1.991 Month
  • Yearly1 Month trial$19.991 Year
None

IntelliScan

No in-app purchases

Questions

Is Callblock free?
Callblock is free to download, with in-app purchases available.
Is IntelliScan free?
IntelliScan is free to download, with no in-app purchases.
Which has better reviews, Callblock or IntelliScan?
IntelliScan is rated higher. Callblock averages 3.3 out of 5 from 51 ratings, while IntelliScan averages 5.0 from 1 ratings.
Do Callblock or IntelliScan have ads?
Neither Callblock nor IntelliScan shows ads.
Which is updated more often, Callblock or IntelliScan?
Callblock ships an update every 2 months, and IntelliScan every 7 months. Most recently, Callblock was updated on October 13, 2026 and IntelliScan on October 3, 2026.

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