Comparison

CSU UPAS vs CaseXcel

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

Head to head
About

CSU UPAS

This app controls a personal air sampler device. It allows users to customize settings like sample name, flow rate, start time, duration, and GPS location before running the sensor. Data can then be downloaded to your phone or tablet.

Highlights
  • Bluetooth sensor pairing
  • Customize sample name
  • Adjust flow rate
  • Set sensor start time and duration
  • Configure GPS settings
  • Download UPAS files
Features
Read full description

CSU UPAS The controlling app for the personal air sampler developed by the Volckens Research Group Features: - Pair your phone with our sensor through iOS low energy bluetooth connection - Customize sample name before running sensor in running setting - Customize Flow rate in running setting - Customize sensor starting time and running duration - Customize GPS setting - Download UPAS files to phone/iPAD

About

CaseXcel

Practice essential consulting interview skills daily in under 10 minutes. Improve mental math, market sizing, structuring, and framework recall with structured, timed drills. Access a reference library of frameworks without fluff.

Highlights
  • Daily mental math drills
  • Timed case math calculations
  • Market sizing estimation practice
  • MECE structuring drills
  • Framework recall flashcards
  • Reference library of frameworks
Features
Read full description

Land your McKinsey, Bain, BCG, or Big 4 consulting offer. CaseXcel trains the 5 mental skills consultants test - every day, in under 10 minutes. Top candidates don't win because they memorize frameworks. They win because they think clearly under pressure. CaseXcel makes that practice fast, structured, and addictive. DAILY TRAINING • Mental Math - multiply, divide, percent, and ratio drills at consulting speed • Case Math - profitability, revenue, and growth calculations under time pressure • Market Sizing - Fermi-style estimation with structured top-down breakdowns • MECE Structuring - multiple-choice drills that build issue trees the right way • Framework Recall - Leitner-style flashcards for Porter's, 4Ps, 3Cs and more REFERENCE LIBRARY A clean, read-only set of consulting frameworks and case patterns to scan between drills. No videos. No fluff. BUILT FOR • MBB candidates (McKinsey, Bain, BCG) • Big 4 strategy (Deloitte, EY, PwC, KPMG) • Tier-2 firms (Accenture, Kearney, Oliver Wyman, Roland Berger) • MBA students prepping consulting recruiting • Anyone facing case-based assessments WHY CASEXCEL • One session a day is free - no signup, no account • Premium unlocks unlimited sessions and the full library • No fake AI feedback. No bloated 'learn' modules. Just reps. Train daily. Think clearly. Land the offer. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CSU UPAS3 screens
CaseXcel4 screens

Verdict

The call

The clearest difference is in-app purchases: CSU UPAS at none against CaseXcel's 4. CSU UPAS also leads on iOS requirement (9.0 vs 15.1). CaseXcel's advantage is update cadence (every 11 days vs every 2 months). On price, rating, ratings volume and ads 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

Both are free to download. CaseXcel sells 4 in-app purchases, starting at $9.99 per month. CSU UPAS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for CSU UPAS against 5.0 for CaseXcel. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

UpkeepUpdate frequency

CSU UPAS ships an update every 2 months, CaseXcel every 11 days. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
CSU UPAS versus CaseXcel: the parameters behind the verdict, then further details
ParameterCSU UPASCaseXcel
PriceFreeFree
Rating5.0 (2 ratings)5.0 (3 ratings)
Positive reviews—100.0% of reviews
Number of ratings23 — better
Update frequencyEvery 2 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.1
Further details — not scored
Size18 MB61 MB
Age rating4+4+
DeveloperColorado State UniversityANIELLO DI POLITO

Customer experience

CSU UPAS

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

CaseXcel

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CSU UPAS

No in-app purchases

4 purchases

CaseXcel

Subscriptions2
  • CaseXcel Premium$9.991 Month
  • CaseXcel Annual (Best Value!)3 Days trial$39.991 Year
One-time2
  • CaseXcel Pro Lifetime$59.99
  • CaseXcel Lifetime$59.99

Questions

Is CSU UPAS free?
CSU UPAS is free to download, with no in-app purchases.
Is CaseXcel free?
CaseXcel is free to download, with in-app purchases available.
Which has better reviews, CSU UPAS or CaseXcel?
CSU UPAS and CaseXcel are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.
Do CSU UPAS or CaseXcel have ads?
Neither CSU UPAS nor CaseXcel shows ads.
Which is updated more often, CSU UPAS or CaseXcel?
CSU UPAS ships an update every 2 months, and CaseXcel every 11 days. Most recently, CSU UPAS was updated on October 5, 2026 and CaseXcel on October 15, 2026.

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