# Screen Recorder . vs MathCareer Sigma

The clearest difference is in-app purchases: MathCareer Sigma at none against Screen Recorder .'s 3. MathCareer Sigma also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Screen Recorder . sells 3 in-app purchases, starting at $3.99 per month. MathCareer Sigma asks for nothing beyond the download.

Screen Recorder . ships an update every 5 days, MathCareer Sigma every 3 days. The most recent releases landed on October 19, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Screen Recorder . | MathCareer Sigma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mathcareer-sigma/id6759996998/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | — | Paid |
| Size | 47 MB | 44 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iGeniusDev Technology](https://appshunter.io/developer/664580924) | [Yifan WANG](https://appshunter.io/developer/1881957259) |

## What reviewers say

### Screen Recorder .

[App page](https://appshunter.io/ios/app/screen-recorder/id6470261229)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Record Facecam | $3.99 | per month |
| Record Screen : Live Recorder | $29.99 | per year |
| Grabar pantalla - Recorder It | $39.99 | one-time |


### MathCareer Sigma

[App page](https://appshunter.io/ios/app/mathcareer-sigma/id6759996998)

This app helps mathematics students and faculty find jobs and advance their careers. It aggregates job postings daily and provides a platform for professional networking and sharing career tips. Features include a personal QR code generator for easy profile sharing.

**Highlights:** Daily math job postings aggregation, Professional community for networking, Career tips exchange, Personal QR code generator, Profile sharing for connections

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Screen Recorder . free?

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

### Is MathCareer Sigma free?

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

### Do Screen Recorder . or MathCareer Sigma have ads?

Screen Recorder . shows ads; MathCareer Sigma does not.

### Which is updated more often, Screen Recorder . or MathCareer Sigma?

Screen Recorder . ships an update every 5 days, and MathCareer Sigma every 3 days. Most recently, Screen Recorder . was updated on October 19, 2026 and MathCareer Sigma on October 22, 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.*