The Jerx vs Cesaral CUPP
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).
Cesaral CUPP
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This App allows the magician to control some of the Cesaral Magic Products such as: 1) CUPP – Cesaral Ultimate Portable Prediction 2) UTP – Cesaral Ultimate Time Prediction 3) UWP – Cesaral Ultimate Watch Prediction 4) DPR - Cesaral Ultimate Dice Prediction CUPP can handle up to two devices simultaneusly. CUPP have the possibility of controlling the app using just your voice! Start saying numbers and they will be sent to the CUPP automatically. Languages supported are English, Spanish, French, Italian, German, Portuguese and chinese. If you own CUPPLite you can connect both apps and send the displayed message to CUPP and CUPPLite. Moroever you can use two devices simultaneusly, and the data will be sent to both devices. To use simplified mode, copy a file, background.jpg, into your CesaralCUPP config directory with Files app and enjoy a customized experience. With this mode you can use DPR with your device. See www.cesaral.com
Screenshots
Verdict
The clearest difference is price: Cesaral CUPP at $79.99 against The Jerx's $89.99. Cesaral CUPP also leads on iOS requirement (13.0 vs 16.6). The Jerx's advantage is in-app purchases (none vs 1). On update cadence, ads and device support 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
The Jerx costs $89.99 and Cesaral CUPP $79.99 up front. Cesaral CUPP sells 1 one-off in-app purchase. The Jerx asks for nothing beyond the download.
The Jerx ships an update every 4 months, Cesaral CUPP every 3 months. Both last shipped on November 11, 2026.
| Parameter | The Jerx | Cesaral CUPP |
|---|---|---|
| Price | $89.99 | $79.99 — better |
| Rating | 4.9 (11 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | Marc Kerstein | Telesforo Lopez Ciudad |
In-app purchases
The Jerx
No in-app purchases
Cesaral CUPP
- Control CUPP using your voice.$54.99









