# The Jerx vs NoteifyApp

The clearest difference is price: NoteifyApp at Free against The Jerx's $89.99. NoteifyApp also leads on update cadence (every 6 days vs every 4 months). The Jerx's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

NoteifyApp is free to download; The Jerx costs $89.99 up front. NoteifyApp sells 1 one-off in-app purchase. The Jerx asks for nothing beyond the download.

The Jerx ships an update every 4 months, NoteifyApp every 6 days. The most recent releases landed on September 22, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | The Jerx | NoteifyApp |
| --- | --- | --- |
| Price | $89.99 | **Free** |
| Rating | **[4.9 (11 ratings)](https://appshunter.io/ios/app/the-jerx/id1082369141/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Paid | — |
| Size | 4 MB | 43 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Marc Kerstein](https://appshunter.io/developer/821255617) | [Pratik Shirsat](https://appshunter.io/developer/1768491718) |

## What reviewers say

### The Jerx

[App page](https://appshunter.io/ios/app/the-jerx/id1082369141)

This utility app enables users to perform various mentalism and magic effects. It allows for creating illusions of memory loss, cognitive impairment, mind-reading, and predictions. Some effects may require additional physical materials.

**Highlights:** Memory loss illusions, Cognitive impairment effects, Mind reading capabilities, Prediction effects, Dual-reality illusions, Thought implantation

**In-app purchases:** none


### NoteifyApp

[App page](https://appshunter.io/ios/app/noteifyapp/id6683305707)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noteify | $309.00 | one-time |


## Frequently asked questions

### Is The Jerx free?

The Jerx costs $89.99, with no in-app purchases.

### Is NoteifyApp free?

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

### Do The Jerx or NoteifyApp have ads?

Neither The Jerx nor NoteifyApp shows ads.

### Which is updated more often, The Jerx or NoteifyApp?

The Jerx ships an update every 4 months, and NoteifyApp every 6 days. Most recently, The Jerx was updated on September 22, 2026 and NoteifyApp on September 30, 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.*