# Smart Card Utility vs ESTIMATE

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.

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.

## The numbers

| Metric | Smart Card Utility | ESTIMATE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (63 ratings)](https://appshunter.io/ios/app/smart-card-utility/id1444710309/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/estimate-hc/id6502640114/reviews)** |
| Number of ratings | **63** | 1 |
| Positive reviews | 38.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 101 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Twocanoes Software, Inc.](https://appshunter.io/developer/521862499) | [Naval Air Systems Command](https://appshunter.io/developer/1023730302) |

## What reviewers say

### Smart Card Utility

[App page](https://appshunter.io/ios/app/smart-card-utility/id1444710309)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3rd Party Readers Support | $2.99 | per month |
| Smart Card Utility | $49.99 | one-time |
| Smart Card Utility Mobile | $49.99 | one-time |
| Third Party Readers | $49.99 | one-time |

**What reviewers like**

- 👍 Works with DoD CAC
- 🚀 Access OWA and MyPay
- 👍 Works with Safari
- 🚀 Great for mobile iOS users
- 👍 Easy certificate download

**What reviewers complain about**

- 🐛 Doesn't work with newer iPhones
- 🐛 Overly expensive
- 🐛 Not user-friendly
- 🐛 Subscription required
- 🐛 Waste of money

**Reported bugs**

- 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

**Requested features**

- Support for more CAC enabled sites
- Show cert chain graphically
- Support alphanumeric+symbols PINs


### ESTIMATE

[App page](https://appshunter.io/ios/app/estimate-hc/id6502640114)

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.

**Highlights:** Horizontal construction estimation, Vehicle and logistic metrics calculation, Augmented reality 3D model viewer, AR model placement and viewing, Site layout visualization

**In-app purchases:** none


## Frequently asked questions

### Is Smart Card Utility free?

Smart Card Utility is free to download, with in-app purchases available.

### Is ESTIMATE free?

ESTIMATE is free to download, with no in-app purchases.

### Which has better reviews, Smart Card Utility or ESTIMATE?

ESTIMATE is rated higher. Smart Card Utility averages 2.9 out of 5 from 63 ratings, while ESTIMATE averages 5.0 from 1 ratings.

### Do Smart Card Utility or ESTIMATE have ads?

Neither Smart Card Utility nor ESTIMATE shows ads.

### Which is updated more often, Smart Card Utility or ESTIMATE?

Smart Card Utility ships an update every 2 months, and ESTIMATE every 2 weeks. Most recently, Smart Card Utility was updated on October 23, 2026 and ESTIMATE on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*