The Jerx vs NoteifyApp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Jerx
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.
- Memory loss illusions
- Cognitive impairment effects
- Mind reading capabilities
- Prediction effects
- Dual-reality illusions
- Thought implantation
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The Jerx App is a utility magic app that can be used to create a myriad of different effects, including: - A Cute Memory Loss: Cause a spectator to forget something she just saw. - Pee Hill Pot: Induce a mild, momentary loss of cognitive ability. Just by touching your spectator's head you reduce their reading ability to that of a 6-year-old. - ScribBold: You read a spectator's mind, or one spectator reads another's mind to determine a thought of word or concept that is never written down or spoken aloud. - Chocolate/Vanilla Twist: A perfect 50/50 prediction. - Digital Linger: Create dual-reality effects for one person. - I Know What You Need: Apparently implant a thought in a spectator's mind (requires The Jerx, Volume One book).
NoteifyApp
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Turn a borrowed iPhone into your personal mind-reading device with Noteify, offering multiple ways to secretly peek and transmit information What Can You Do with Noteify? Super Clean Mind Reading: Reveal their thoughts. Transmit Predictions: Instantly Create Predictions on a borrowed phone, Hands-off Confabulation: Use the powerful Accomplice Mode for truly hands-off routines, leaving no trace of the magic. For Entertainment purpose only!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | The Jerx | NoteifyApp |
|---|---|---|
| Price | $89.99 | Free — better |
| Rating | 4.9 (11 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 4 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 43 MB |
| Age rating | 17+ | 4+ |
| Developer | Marc Kerstein | Pratik Shirsat |
In-app purchases
The Jerx
No in-app purchases
NoteifyApp
- Noteify$309.00
