Smart Card Utility vs ESTIMATE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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 descriptionHide 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/
ESTIMATE
This engineering tool provides quick calculations for horizontal construction projects. It estimates vehicle and logistic metrics and features an AR 3D model viewer to visualize site layouts in real-world environments.
- Horizontal construction estimation
- Vehicle and logistic metrics calculation
- Augmented reality 3D model viewer
- AR model placement and viewing
- Site layout visualization
Read full descriptionHide full description
Engineering Site Tool for Immediate Metrics Across Terrains and Environments – Horizontal Construction (ESTIMATE - HC) ESTIMATE - HC is a mobile calculation tool for Navy and Marine Corps horizontal construction estimation. It can estimate a wide array of vehicle and logistic metrics with minimal input required. The app also features an augmented reality (AR) 3D model viewer mapped to physical space for estimating maintenance site layouts. The back-facing camera feed will be shown on the screen, and any point on the floor or ground can be tapped to place a model and view it in the real world. This feature works best on devices with a LiDAR camera. Developed by The CREATIVE Lab at NAWC-AD Lakehurst with funding from the Office of Naval Research (ONR) Global TechSolutions Lead Developer: Dakota Crouchelli Co-Developer: John Gazzara Lab Manager: Ryan Bowersock Please report any bugs or issues to: dakota.h.crouchelli.civ@us.navy.mil This software was developed internally by the United States federal government and contains no Classified or Controlled Un-Classified Information. All calculation information was derived from the lesson plan for the United States Marine Corps Production Estimations Engineer Equipment Chief course (revised April 26th 2021). The “Compactor” and “Worker” models were downloaded from cgtrader.com and used under the “Royalty Free License” (revised November 5th 2020). https://www.cgtrader.com/pages/terms-and-conditions#royalty-free-license The “Cargo Container” model was downloaded from opengameart.org and used under the Creative Commons Zero (CC0) 1.0 Universal license. https://opengameart.org/content/container-0 https://creativecommons.org/publicdomain/zero/1.0/ The “Floodlight” model was downloaded from opengameart.org, created by user “PagDev”, and used under the Creative Commons Attribution (CC BY) 4.0 International license. https://opengameart.org/content/construction-light-set https://creativecommons.org/licenses/by/4.0/ All other 3D models and graphic assets were either built into the Unity 3D game engine (version 2022 LTS), provided by the TextMeshPro package (version 3), or created internally by the CREATIVE Lab.
Screenshots
Verdict
The clearest difference is rating: ESTIMATE at 5.0 against Smart Card Utility's 2.9. ESTIMATE also leads on in-app purchases (none vs 4) and update cadence (every 2 weeks vs every 2 months). Smart Card Utility's advantage is ratings volume (63 vs 1). 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
Both are free to download. Smart Card Utility sells 4 in-app purchases, starting at $2.99 per month. ESTIMATE asks for nothing beyond the download.
ESTIMATE holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Smart Card Utility has 63 ratings behind it against 1, so its average is the more settled of the two.
Smart Card Utility ships an update every 2 months, ESTIMATE every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Smart Card Utility | ESTIMATE |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (63 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 38.6% of reviews | — |
| Number of ratings | 63 — better | 1 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Twocanoes Software, Inc. | Naval Air Systems Command |
Customer experience
Smart Card Utility
ESTIMATE
Bugs and 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 moreShow fewer
- 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
ESTIMATE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Smart Card Utility
- 3rd Party Readers Support$2.991 Month
- Smart Card Utility$49.99
- Smart Card Utility Mobile$49.99
- Third Party Readers$49.99
ESTIMATE
No in-app purchases
Questions
Is Smart Card Utility free?
Is ESTIMATE free?
Which has better reviews, Smart Card Utility or ESTIMATE?
Do Smart Card Utility or ESTIMATE have ads?
Which is updated more often, Smart Card Utility or ESTIMATE?
Other comparisons















