Comparison

Maximum Externisti vs BOOM check

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

Head to head

About

Maximum Externisti

Features

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Pomocí aplikace Maximum Externisti můžete jednoduše zobrazovat všechny akce, které se konají. Aplikace také nabízí jednoduché přihlášení na akci a zobrazení Vašeho interního profilu.

About

BOOM check

Features

Read full description

The app works as a QR code reader and also provides manual ticket search and flashlight control when the light conditions are not perfect. The ticket’s data are encrypted and safely stored in the mobile phone. I t is even possible to check-in tickets without an internet connection in offline mode.

Screenshots

Maximum Externisti3 screens

BOOM check4 screens

Verdict

The call

The clearest difference is iOS requirement: Maximum Externisti at 13.0 against BOOM check's 16.0. On price, update cadence, ads and in-app purchases 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

Maximum Externisti ships an update every 2 months, BOOM check every 3 months. The most recent releases landed on September 2, 2026 and September 11, 2026 respectively.

Scorecard1 real difference · 5 level

Maximum Externisti versus BOOM check: the parameters behind the verdict, then further details
Parameter	Maximum Externisti	BOOM check
Price	Free	Free
Update frequency	Every 2 months — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod — better	iPhone
Requires iOS	13.0 — better	16.0
Further details — not scored
Size	60 MB	63 MB
Age rating	4+	4+
Developer	AKIP Solutions s.r.o.	BOOM Events s.r.o.

In-app purchases

None

Maximum Externisti

No in-app purchases

None

BOOM check

No in-app purchases

Questions

Is Maximum Externisti free?

Maximum Externisti is free to download, with no in-app purchases.

Is BOOM check free?

BOOM check is free to download, with no in-app purchases.

Do Maximum Externisti or BOOM check have ads?

Neither Maximum Externisti nor BOOM check shows ads.

Which is updated more often, Maximum Externisti or BOOM check?

Maximum Externisti ships an update every 2 months, and BOOM check every 3 months. Most recently, Maximum Externisti was updated on September 2, 2026 and BOOM check on September 11, 2026.