Comparison

Deváťáci vs Average.app

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

Head to head
About

Deváťáci

Features
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Deváťáci - apka plná výhod pro všechny deváťáky. Stáhněte si aplikaci Deváťáci, založte si třídu, spojte se a chatujte se svými spolužáky, získejte zdarma STUDENT kartu nabušenou výhodami, čtěte zajímavé články a mějte jasno při výběru střední školy.

About

Average.app

Features
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Average is a simple calculator for GPA on a 4.0 scale, weighted averages, arithmetic mean and grade simulations. Use it when you need to quickly check a school average, combine grades with different weights, simulate what-if grade scenarios, or see how a future test or assignment could affect your final grade. Average is designed for students who want a fast, focused tool for everyday grade calculations. Where available, it includes regional calculators and guidance adapted for selected grading systems, including Czech, Slovak, Polish and Spanish-speaking students. What you can do with Average: • Calculate GPA on a 4.0 scale • Calculate weighted averages • Calculate arithmetic averages • Calculate final grade / nota final • Simulate grade scenarios • Check how future grades can affect your result • Use regional calculators when a local version is available Average is not an official school, university or government tool. Results are informational and should always be checked against your school’s own grading rules.

Screenshots

Deváťáci4 screens
Average.app4 screens

Verdict

The call

The clearest difference is ads: Deváťáci at none against Average.app's shown. Deváťáci also leads on iOS requirement (15.6 vs 17.6). Average.app's advantage is update cadence (every 4 weeks vs every 3 months). On price, 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

Deváťáci ships an update every 3 months, Average.app every 4 weeks. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 3 level
Deváťáci versus Average.app: the parameters behind the verdict, then further details
ParameterDeváťáciAverage.app
PriceFreeFree
Update frequencyEvery 3 monthsEvery 4 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.6
Further details — not scored
Size98 MB1 MB
Age rating12+4+
DeveloperASA (Asociace studentu a absolventu), z.s.Petr Vocelka

In-app purchases

None

Deváťáci

No in-app purchases

None

Average.app

No in-app purchases

Questions

Is Deváťáci free?
Deváťáci is free to download, with no in-app purchases.
Is Average.app free?
Average.app is free to download, with no in-app purchases.
Do Deváťáci or Average.app have ads?
Average.app shows ads; Deváťáci does not.
Which is updated more often, Deváťáci or Average.app?
Deváťáci ships an update every 3 months, and Average.app every 4 weeks. Most recently, Deváťáci was updated on October 8, 2026 and Average.app on October 9, 2026.

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