Comparison

ColurAI87 vs Gaussus

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ColurAI87

Read full description

Modern mentalism for the whole room Experience modern mentalism like never before. Six spectators. Six random cards. One photo. Every card flawlessly revealed — even when you're turned away, or miles apart. A New Kind of Mentalism Modern mentalism, instant and impossible. Unlike the many one-on-one magic apps on the store, ColurIA87 is crafted for the whole room. In one seamless routine, you can involve up to six spectators at once and reveal each of their cards with stunning accuracy. Built for Real Performance - Friendly — easy to use for any performer - Practical — no complex setup, no reset - Versatile — from casual gatherings to full party settings One routine. Six revelations. Zero explanations. Terms of Use: https://xtremagic.com/terms

About

Gaussus

This calculator app grants users a superpower to predict numbers thought of by spectators. It's designed for mentalists and magicians to perform astonishing feats, like revealing a spectator's chosen number or a significant date in advance.

Highlights
  • Predict spectator's thought-of number
  • Reveal pre-written numbers on calculator
  • Guess birth dates
  • Perform advanced mentalism effects
  • Calculator with superpower capabilities
Features
Read full description

Predict any number a spectator is thinking of - and much more. GAUSSUS is a calculator that gives you a superpower. A new tool built especially for mentalists, magicians, and anyone who wants to leave people absolutely amazed. Here are just some of the effects you can perform with GAUSSUS: 1. A spectator thinks of a random number - any number - and you reveal that you had already written it in advance on the calculator on your iPhone. 2. Two spectators (or more) think of different random numbers, and you reveal that you had already written the final total in advance on the calculator. 3. A spectator thinks of the birth date of someone close to them, and you reveal that you knew the date in advance. The possibilities are endless.

Screenshots

ColurAI874 screens
Gaussus3 screens

Verdict

The call

The clearest difference is price: ColurAI87 at Free against Gaussus's $29.99. Gaussus's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs every 8 days). On 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

CostPrice · In-app purchases · Ads · Monetization

ColurAI87 is free to download; Gaussus costs $29.99 up front. ColurAI87 sells 3 in-app purchases, starting at $3.99 per month. Gaussus asks for nothing beyond the download.

UpkeepUpdate frequency

ColurAI87 ships an update every 8 days, Gaussus every 2 days. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 5 level
ColurAI87 versus Gaussus: the parameters behind the verdict, then further details
ParameterColurAI87Gaussus
PriceFree — better$29.99
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 8 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Paid
DevicesiPhoneiPhone, iPod — better
Requires iOS26.015.6 — better
Further details — not scored
Size73 MB50 MB
Age rating4+4+
DeveloperVincent LaunayOmry Ishai

In-app purchases

3 purchases

ColurAI87

Subscriptions2
  • Xtremagic Pass – Monthly$3.991 Month
  • Xtremagic Pass – Yearly$24.991 Year
One-time1
  • Full Access (One-Time Purchase)$7.99
None

Gaussus

No in-app purchases

Questions

Is ColurAI87 free?
ColurAI87 is free to download, with in-app purchases available.
Is Gaussus free?
Gaussus costs $29.99, with no in-app purchases.
Do ColurAI87 or Gaussus have ads?
Neither ColurAI87 nor Gaussus shows ads.
Which is updated more often, ColurAI87 or Gaussus?
ColurAI87 ships an update every 8 days, and Gaussus every 2 days. Most recently, ColurAI87 was updated on October 13, 2026 and Gaussus on October 9, 2026.

Other comparisons