Comparison

Let's Work vs Speed Math Challenge

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

Head to head

Sharpen Your Mind with Math!

Free

📚 Education

No ratingsView app →

About

Let's Work

Features

Read full description

Un portail 360°, des vidéos live et de nombreuses autres découvertes vous emmèneront au cœur de l’univers de la construction et de ses métiers passionnants. Des jeunes actifs vous diront ce qui leur plaît, ce qui les motive, quels défis ils affrontent tous les jours. Découvrez leurs histoires et de nombreuses autres informations sur la branche et ses possibilités de formation et de carrière. L’application donne également accès à une bourse aux places d’apprentissage et de stage dans votre région. Une application de l’Association valaisanne des entrepreneurs.

About

Speed Math Challenge

Features

Read full description

Enhance your mental math skills with our fun and interactive app! Whether you're a student looking to improve your math grades or an adult wanting to keep your brain sharp, Speed Math Challenge offers engaging exercises tailored to your needs.

Screenshots

Let's Work2 screens

Speed Math Challenge4 screens

Verdict

The call

The clearest difference is update cadence: Speed Math Challenge at every 5 weeks against Let's Work's every 3 months. On price, ads, in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Let's Work ships an update every 3 months, Speed Math Challenge every 5 weeks. The most recent releases landed on September 9, 2026 and May 17, 2026 respectively.

Scorecard1 real difference · 5 level

Let's Work versus Speed Math Challenge: the parameters behind the verdict, then further details
Parameter	Let's Work	Speed Math Challenge
Price	Free	Free
Update frequency	Every 3 months	Every 5 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0	12.0
Further details — not scored
Size	103 MB	40 MB
Age rating	4+	4+
Developer	XTEND interactive GmbH	Mauro Cristofoli

In-app purchases

None

Let's Work

No in-app purchases

None

Speed Math Challenge

No in-app purchases

Questions

Is Let's Work free?

Let's Work is free to download, with no in-app purchases.

Is Speed Math Challenge free?

Speed Math Challenge is free to download, with no in-app purchases.

Do Let's Work or Speed Math Challenge have ads?

Neither Let's Work nor Speed Math Challenge shows ads.

Which is updated more often, Let's Work or Speed Math Challenge?

Let's Work ships an update every 3 months, and Speed Math Challenge every 5 weeks. Most recently, Let's Work was updated on September 9, 2026 and Speed Math Challenge on May 17, 2026.