# Mastermind Timer vs e

The clearest difference is in-app purchases: Mastermind Timer at none against e's 2. e's advantage is update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. e sells 2 in-app purchases, starting at $1.99 per month. Mastermind Timer asks for nothing beyond the download.

Mastermind Timer ships an update every 5 weeks, e weekly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Mastermind Timer | e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (20 ratings)](https://appshunter.io/ios/app/e-scanner-scan-pdf-and-ocr/id6790476934/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 50 MB | 56 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duc Huy Pham](https://appshunter.io/developer/1804515567) | [CHI CONG NGUYEN](https://appshunter.io/developer/6790476936) |

## What reviewers say

### Mastermind Timer

[App page](https://appshunter.io/ios/app/mastermind-timer/id6744639059)

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

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-scanner-scan-pdf-and-ocr/id6790476934)

Easily scan, edit, and share documents directly from your phone. Features advanced OCR for text extraction and a comprehensive PDF toolkit for merging, splitting, and converting files. All processing is done locally for maximum privacy and security.

**Highlights:** Automatic document capture and alignment, Advanced OCR for text extraction, PDF editing and conversion tools, Local encryption for maximum privacy, Offline processing for core features, Unlimited scans in the free version

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $1.99 | per month |
| Premium (Annual) | $14.99 | per year |


## Frequently asked questions

### Is Mastermind Timer free?

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

### Is e free?

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

### Do Mastermind Timer or e have ads?

Neither Mastermind Timer nor e shows ads.

### Which is updated more often, Mastermind Timer or e?

Mastermind Timer ships an update every 5 weeks, and e weekly. Most recently, Mastermind Timer was updated on October 2, 2026 and e on October 10, 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.*