# StonePASS vs Second

The clearest difference is review sentiment: Second at 89% against StonePASS's 5%. Second also leads on rating (5.0 vs 3.0) and update cadence (every 4 days vs every 3 weeks). StonePASS's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, monetization model and device support there is nothing between them.

Both are free to download. Second sells 1 one-off in-app purchase. StonePASS asks for nothing beyond the download.

Second holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 5% of StonePASS's written reviews are positive against 89% of Second's.

StonePASS ships an update every 3 weeks, Second every 4 days. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | StonePASS | Second |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/stonepass/id1449668788/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/second-sync/id6752860014/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 5.0% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 24 MB | 55 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SSenStone](https://appshunter.io/developer/1218191834) | [Minjun Kim](https://appshunter.io/developer/1841275054) |

## What reviewers say

### StonePASS

[App page](https://appshunter.io/ios/app/stonepass/id1449668788)

This app consolidates various authentication methods like fingerprint, face, PIN, and pattern into a single, convenient application. It simplifies logins for work systems and offers secure, multi-factor authentication at a reduced cost.

**Highlights:** Unified authentication methods, Biometric login (fingerprint, face), PIN and pattern login, Two-factor authentication (2FA), Push notifications for login approval, Reduced system implementation costs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Second

[App page](https://appshunter.io/ios/app/second-sync/id6752860014)

This utility app provides precise server time synchronization down to milliseconds, crucial for time-sensitive events like registrations and ticketing. It features drift tracking for sustained accuracy and a Picture-in-Picture timer for live monitoring while using other applications.

**Highlights:** Precise server time synchronization, Drift tracking for sustained accuracy, Picture-in-Picture (PiP) timer, Example site shortcuts, Multilingual support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 초정확 Pro 업그레이드 | $1.99 | one-time |


## Frequently asked questions

### Is StonePASS free?

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

### Is Second free?

Second is free to download, with in-app purchases available.

### Which has better reviews, StonePASS or Second?

Second is rated higher. StonePASS averages 3.0 out of 5 from 2 ratings, while Second averages 5.0 from 4 ratings.

### Do StonePASS or Second have ads?

Second shows ads; StonePASS does not.

### Which is updated more often, StonePASS or Second?

StonePASS ships an update every 3 weeks, and Second every 4 days. Most recently, StonePASS was updated on October 9, 2026 and Second on October 11, 2026.

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