Comparison

Cornerstone Church Mandeville vs Numvolt

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

Head to head
About

Cornerstone Church Mandeville

Stay connected with church life through messages, notifications, and sharing features. Download content for offline access and engage with the community.

Highlights
  • Watch or listen to past messages
  • Stay up to date with push notifications
  • Share messages via social media or email
  • Download messages for offline listening
Read full description

This app will help you stay connected with the day-to-day life of our church. With this app you can: watch or listen to past messages; stay up to date with push notifications; share your favorite messages via Twitter, Facebook, or email; and download messages for offline listening. Mobile app version: 6.18.1

About

Numvolt

Enhance your arithmetic, fractions, and algebra skills with engaging drills and clear, step-by-step solutions. Practice in timed sprints or a relaxed Zen mode, and track your progress across numerous topics. Compete globally or challenge a friend on a single device.

Highlights
  • Arithmetic, fractions, percentages, algebra training
  • Timed sprints and Zen mode
  • Step-by-step solution explanations
  • Global and local leaderboards
  • Two-player duel mode
  • Progress tracking and Home Screen widget
Features
Read full description

Practice mental math with short exercises and step-by-step corrections. For new installations, full sessions require Numvolt Pro: a weekly or yearly subscription, or a one-time lifetime purchase. Prices and terms are shown before purchase. Train on arithmetic, times tables, fractions and percentages. Try timed sprints or take your time in Zen mode. No account and no ads. FIFTEEN TOPICS, A HUNDRED AND FIFTY RUNGS EACH Addition, subtraction, multiplication, division, fractions, percentages, order of operations, powers, algebra, square roots, signed numbers, proportions, time and durations, unit conversion and number patterns. Each topic has its own 150-rung journey, up to five elite chapters; the difficulty adjusts during the session, block by block. You pick your starting point at setup, and you can always replay a lower level. UNDERSTAND THE METHOD, STEP BY STEP After a mistake, and at the end of a session for your slowest answers, Numvolt shows you a way to do it in your head, step by step: 71 × 87 is 70 × 87 + 87; 79² is 80² − 160 + 1. With the reflex to keep and other ways to do it. In the courses, enter a supported calculation to explore a mental math method. In Zen mode there is no timer: time to understand. SPRINTS AND A DAILY CHALLENGE 15, 30 or 60 seconds on the + − × ÷ mix. +1 per correct answer, −1 per mistake. The daily challenge is the same 60-second series for everyone, all day long. A LADDER FROM YOUR CITY TO THE WORLD Join the ladder with a nickname and your city. Your best sprint is ranked on six rungs: city, county, region, country, continent, world. After every sprint you see exactly what you climbed — "5th → 2nd · Rhône" — and how many points you need to overtake the next player. Only your nickname, city and scores are published. Never your exact location. DUEL ON ONE PHONE Two players, the same questions in the same order, 30 seconds each. Scores are revealed at the end. YOUR PROGRESS, VISIBLE XP, overall level, accuracy, day streak, seven-day chart, level per topic and session history. A Home Screen widget shows your daily goal and starts a sprint in one tap. WHAT STAYS WITH YOU Your progress lives on your iPhone, in the app's storage. No account. Anonymous usage counters, which you can switch off in Settings, only tell us where the app gets stuck. Fractions and decimals accepted on the keypad. Light, dark or automatic appearance. Available in 49 languages. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Who is it for? Anyone who wants to get faster at everyday mental math, from students to adults. It is not a preparation for a specific exam. Do I need to pay? You can answer a few questions during setup. Full sessions require Numvolt Pro, with the price in your currency shown before you pay.

Screenshots

Cornerstone Church Mandeville3 screens
Numvolt4 screens

Verdict

The call

The clearest difference is in-app purchases: Cornerstone Church Mandeville at none against Numvolt's 3. Cornerstone Church Mandeville also leads on iOS requirement (15.1 vs 17.0). Numvolt's advantage is update cadence (every 3 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. Numvolt sells 3 in-app purchases, starting at $2.99 per 7 days. Cornerstone Church Mandeville 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 Cornerstone Church Mandeville against 5.0 for Numvolt. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Cornerstone Church Mandeville ships an update every 2 months, Numvolt every 3 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 5 level
Cornerstone Church Mandeville versus Numvolt: the parameters behind the verdict, then further details
ParameterCornerstone Church MandevilleNumvolt
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Number of ratings2 — better1
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size51 MB49 MB
Age rating4+4+
DeveloperCORNERSTONE AG CHURCHROMEO ILARIO FLAVIO GAMBINO

Customer experience

Cornerstone Church Mandeville

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

Numvolt

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Cornerstone Church Mandeville

No in-app purchases

3 purchases

Numvolt

Subscriptions2
  • Numvolt Pro Weekly3 Days trial$2.997 Days
  • Numvolt Pro Yearly7 Days trial$14.991 Year
One-time1
  • Numvolt Pro$24.99

Questions

Is Cornerstone Church Mandeville free?
Cornerstone Church Mandeville is free to download, with no in-app purchases.
Is Numvolt free?
Numvolt is free to download, with in-app purchases available.
Which has better reviews, Cornerstone Church Mandeville or Numvolt?
Cornerstone Church Mandeville and Numvolt are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Cornerstone Church Mandeville or Numvolt have ads?
Neither Cornerstone Church Mandeville nor Numvolt shows ads.
Which is updated more often, Cornerstone Church Mandeville or Numvolt?
Cornerstone Church Mandeville ships an update every 2 months, and Numvolt every 3 days. Most recently, Cornerstone Church Mandeville was updated on November 3, 2026 and Numvolt on November 6, 2026.

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