Comparison

CAISI vs Smart Card Utility

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

Head to head
About

CAISI

This mobile guide provides essential technical and functional information for users of Army automated sustainment systems. It ensures users have the necessary data to effectively interface with communications systems, optimizing sustainment functions.

Highlights
  • Optimize communications system interface
  • Access technical information
  • Access functional information
  • Ensure sustainment function continuity
  • Information for automated sustainment systems
Features
Read full description

This mobile guide is designed as a tool for the users of the Army sustainment systems to use in order to optimize their interface with the communications system. Without the ability to communicate sustainment functions, even the fastest computer system becomes little more than a paperweight. Therefore the point of this app is to ensure that all Army automated sustainment information systems users have the information (e.g. technical and functional) they need.

About

Smart Card Utility

Access secure government and military websites on your iPhone or iPad using your PIV-enabled smart card. Log in quickly to Office 365, Webmail, Teams, and more, eliminating the need for a laptop.

Highlights
  • Smart card authentication for O365, Webmail, Teams
  • Access CAC protected websites via Safari
  • Fast login on iPhone and iPad
  • Supports PIV, CACv2/ECA, and PKCS15 cards
  • Compatible with various smart card readers
  • Access military and civilian web sites
Read full description

CAC Smart Card Access to O365, Webmail, Teams, and Much More Smart Card Utility enables smart card authentication to Office 365, Webmail, Teams, and most other CAC protected websites via Safari. Just plug in your existing PIV-enabled smart card and log in. Smart Card Utility is used by members of Air Force, Navy, Marines, Army, Coast Guard, and other military/government employees to access CAC protected websites on their iPhone or iPad. Login and Get to Work Fast! Forget about waiting for 20 minute for your laptop to boot up, log in and launch apps. Using your iPhone and iPad and Smart Card Utility, it takes seconds to turn on and access websites, Teams, Office 365 and more using your CAC smart card. Login fast with your CAC card and Smart Card Utility Readers for iOS and iPhone. Smart Card Authentication Wherever You Are Forget about waiting to get back to your laptop to check your email, verify your paycheck, take a course, or respond to a message on Teams. Smart Card Utility makes it simple to use the device you have with you to keep you connected. Simply insert your CAC into the reader and you are ready to access the resources where ever you are. Check Your Email and So Much More Leave your laptop behind and stop waiting in line to check your email on a shared PC. Use your smart card right on your iPhone or iPad to access your web mail using your CAC or PIV card. Smart Card Utility has been tested and is compatible with the most common military and civilian web sites, including: mypay.dfas.mil (myPay) www.defensetravel.osd.mil (Defense Travel System/DTS) jkodirect.jten.mil (JKO Learning Management) Office 365 (o365) owa.us.af.mil (webmail) www.tricare.mil (Tricare Health Care) www.dau.edu (DAU Defense Acquisition University) owa.us.af.mil (webmail) Microsoft Teams (web) MAX.gov Okta PIV Microsoft Azure Azure Active Directory (Azure AD) Amazon Web Services (AWS) Supported Readers: All Smart Card readers from Twocanoes Software. Feitian br301 Bluetooth Reader Feitian iR301 Lightning Reader Feitian iR301 USB-C Reader Certgate AirID 2 Bluetooth Contact Smart Card Reader USB-C wired readers supported by iOS 16 or later. Supported Card: PIV CACv2/ECA (see https://public.cyber.mil/eca/ for more infomation) PKCS15 (Country-specific cards, healthcare cards and national ID cards) EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CAISI3 screens
Smart Card Utility4 screens

Verdict

The call

The clearest difference is rating: CAISI at 4.1 against Smart Card Utility's 2.9. CAISI also leads on in-app purchases (none vs 4) and iOS requirement (8.4 vs 15.0). Smart Card Utility's advantage is review sentiment (39% vs 0%) and update cadence (every 2 months vs every 26 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. Smart Card Utility sells 4 in-app purchases, starting at $2.99 per month. CAISI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CAISI holds the better App Store score, 4.1 against 2.9. That said, the two scores are not equally well evidenced: Smart Card Utility has 63 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 0% of CAISI's written reviews are positive against 39% of Smart Card Utility's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

CAISI ships an update every 26 months, Smart Card Utility every 2 months. Both last shipped on October 23, 2026.

Scorecard7 real differences · 3 level
CAISI versus Smart Card Utility: the parameters behind the verdict, then further details
ParameterCAISISmart Card Utility
PriceFreeFree
Rating4.1 (7 ratings) — better2.9 (63 ratings)
Positive reviews0.0% of reviews38.6% of reviews — better
Number of ratings763 — better
Update frequencyEvery 26 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS8.4 — better15.0
Further details — not scored
Size30 MB8 MB
Age rating9+4+
DeveloperTRADOC MobileTwocanoes Software, Inc.

Customer experience

CAISI

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Smart Card Utility

All ratings60 ratings
Positive48.3%
Neutral3.3%
Negative48.3%
Written reviews57 reviews
Positive38.6%
Neutral7.0%
Negative54.4%

Bugs and requests

CAISI

Not enough reviews yet to summarise bugs or requests.

Smart Card Utility

Reported bugs

17 issues
  • Device will not connect to newer iPhones
  • PIN suddenly won't work
  • Does not see SCR 3310 card reader
  • Bluetooth reader bug on macOS
  • New update broke BT read on iOS
Show 12 more
  • Reproducible bug with Bluetooth reader and macOS Sonoma
  • Reader not showing up in app
  • Limited trial is very limited
  • iOS 16 with SCR3310 Non-functional
  • App sees reader, but cannot detect smart card
  • Reader could not be verified
  • App detects reader, but reader does not detect card
  • Broken in Big Sur
  • App opens but closes or prompts for purchase on Big Sur
  • BigSur Doesnt Work
  • Big Sur Bricked it
  • Doesn't work in Big Sur

Requested features

3 requests
  • Support for more CAC enabled sites
  • Show cert chain graphically
  • Support alphanumeric+symbols PINs

In-app purchases

None

CAISI

No in-app purchases

4 purchases

Smart Card Utility

Subscriptions1
  • 3rd Party Readers Support$2.991 Month
One-time3
  • Smart Card Utility$49.99
  • Smart Card Utility Mobile$49.99
  • Third Party Readers$49.99

Questions

Is CAISI free?
CAISI is free to download, with no in-app purchases.
Is Smart Card Utility free?
Smart Card Utility is free to download, with in-app purchases available.
Which has better reviews, CAISI or Smart Card Utility?
CAISI is rated higher. CAISI averages 4.1 out of 5 from 7 ratings, while Smart Card Utility averages 2.9 from 63 ratings.
Do CAISI or Smart Card Utility have ads?
Neither CAISI nor Smart Card Utility shows ads.
Which is updated more often, CAISI or Smart Card Utility?
CAISI ships an update every 26 months, and Smart Card Utility every 2 months. Most recently, CAISI was updated on October 23, 2026 and Smart Card Utility on October 23, 2026.

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