# SSN Attendance App vs Interview Master

The clearest difference is in-app purchases: SSN Attendance App at none against Interview Master's 1. SSN Attendance App also leads on iOS requirement (10.0 vs 12.0). Interview Master's advantage is update cadence (fortnightly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Interview Master sells 1 in-app purchase, starting at $3.99 per month. SSN Attendance App asks for nothing beyond the download.

SSN Attendance App ships an update every 4 months, Interview Master fortnightly. The most recent releases landed on October 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | SSN Attendance App | Interview Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/interview-master-data-science/id6472814256/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 92 MB | 36 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Field Proxy](https://appshunter.io/developer/1478302696) | [Wowso Inc.](https://appshunter.io/developer/1385658786) |

## What reviewers say

### SSN Attendance App

[App page](https://appshunter.io/ios/app/ssn-attendance-app/id1526050564)

**Features:** macOS Compatibility

**In-app purchases:** none


### Interview Master

[App page](https://appshunter.io/ios/app/interview-master-data-science/id6472814256)

Practice data science interviews with AI-powered simulations and daily quizzes. Receive instant feedback on your answers and track your progress to build confidence and deepen your understanding of complex topics.

**Highlights:** Real-time AI interview simulations, AI-evaluated daily quizzes, Instant feedback on answers, Progress tracking, Detailed question explanations, Community sharing features

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IM: Data Science | $3.99 | per month |


## Frequently asked questions

### Is SSN Attendance App free?

SSN Attendance App is free to download, with no in-app purchases.

### Is Interview Master free?

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

### Do SSN Attendance App or Interview Master have ads?

Neither SSN Attendance App nor Interview Master shows ads.

### Which is updated more often, SSN Attendance App or Interview Master?

SSN Attendance App ships an update every 4 months, and Interview Master fortnightly. Most recently, SSN Attendance App was updated on October 10, 2026 and Interview Master on September 16, 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.*