Comparison

Numerlo vs Chalk Speed Math

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

Head to head
About

Numerlo

Features
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People notice fast thinkers. Complete a 60-second mental math sprint. Track your progress with the Numerlo Index. Watch your speed and accuracy improve over time. Short. Focused. Habit-forming. Free version includes β€’ 8 daily games + 2 challenger games β€’ Numerlo Index progress tracking β€’ No ads - ever Premium unlocks β€’ Unlimited daily games β€’ Unlimited practice mode β€’ Professional Challenges Built for people who used to be β€œmath people” Accountants. Engineers. Finance. Consulting. Medicine. Anyone who wants sharper thinking in a world of calculators. Privacy first No tracking. No ads. Your data stays on your device. You can’t fake mental math. Build the advantage. Privacy: https://numerlo.app/docs/privacy.html Terms: https://numerlo.app/docs/terms.html

About

Chalk Speed Math

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Hoping to brush up on your math skills? Chalk Speed Math is an arithmetic trainer designed to help you practice speed, accuracy, and confidence with everyday math. Practice addition, subtraction, multiplication, division, or challenge yourself with MDAS / order-of-operations questions. Choose from Easy, Medium, and Hard difficulty levels depending on how much of a challenge you want. Each practice round is timed, so you can work toward faster completion while still focusing on correct answers. Your results are saved locally, allowing you to track personal bests and review your progress and speed over time. Features include: β€’ Addition, subtraction, multiplication, and division practice β€’ MDAS / order-of-operations training β€’ Easy, Medium, and Hard difficulty levels β€’ Timed practice rounds β€’ Personal best tracking β€’ Practice history and performance charts β€’ Local-only data storage β€’ Optional sound effects β€’ No account needed β€’ Practice as much as you want Whether you want to sharpen your mental arithmetic, do some basic drills, revisit skills you have not practiced in a while, or simply challenge yourself to get faster and more accurate, Chalk Speed Math gives you a straightforward place to practice.

Screenshots

Numerlo4 screens
Chalk Speed Math4 screens

Verdict

The call

The clearest difference is in-app purchases: Chalk Speed Math at none against Numerlo's 2. Numerlo's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Numerlo sells 2 in-app purchases, starting at $2.99 per month. Chalk Speed Math asks for nothing beyond the download.

UpkeepUpdate frequency

Numerlo ships an update every 3 days, Chalk Speed Math every 5 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard2 real differences Β· 4 level
Numerlo versus Chalk Speed Math: the parameters behind the verdict, then further details
ParameterNumerloChalk Speed Math
PriceFreeFree
Update frequencyEvery 3 days β€” betterEvery 5 days
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 β€” better17.6
Further details β€” not scored
Size52 MB1 MB
Age rating4+4+
DeveloperNanxi LiDeneisha Tieng

In-app purchases

2 purchases

Numerlo

Subscriptions2
  • Monthly Premium7 Days trial$2.991 Month
  • Annual Premium7 Days trial$25.991 Year
None

Chalk Speed Math

No in-app purchases

Questions

Is Numerlo free?
Numerlo is free to download, with in-app purchases available.
Is Chalk Speed Math free?
Chalk Speed Math is free to download, with no in-app purchases.
Do Numerlo or Chalk Speed Math have ads?
Neither Numerlo nor Chalk Speed Math shows ads.
Which is updated more often, Numerlo or Chalk Speed Math?
Numerlo ships an update every 3 days, and Chalk Speed Math every 5 days. Most recently, Numerlo was updated on November 5, 2026 and Chalk Speed Math on November 6, 2026.

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