Comparison

Bac II Calculator vs C4official

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

Head to head

Bac II Calculator

Self Assessment Bac II Score

About

Bac II Calculator

Features

Read full description

Bac II Calculator is a fun tool that allows you to estimate Bac II result.

About

C4official

Features

Read full description

Live online challenges, courses and consulting for coaches to launch successful marketing campaigns in Facebook, Instagram, WhatsApp, YouTube and LinkedIn using C4-FRAMEWORK without depending on advertising agencies. Join the community to learn more about: 1) 30Days DIY Challenge 2) 60Days Advanced DIY Challenge

Screenshots

Bac II Calculator4 screens

C4official4 screens

Verdict

The call

The clearest difference is in-app purchases: Bac II Calculator at none against C4official's 2. Bac II Calculator also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.4). C4official's advantage is ads (none vs shown). On price and update cadence 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. C4official sells 2 one-off in-app purchases. Bac II Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Bac II Calculator ships an update every 11 months, C4official every 8 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 2 level

Bac II Calculator versus C4official: the parameters behind the verdict, then further details
Parameter	Bac II Calculator	C4official
Price	Free	Free
Update frequency	Every 11 months	Every 8 months — better
Ads	Yes	No — better
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	12.0 — better	16.4
Further details — not scored
Size	32 MB	85 MB
Age rating	4+	17+
Developer	Cheab Kunthea	TagMango Inc

In-app purchases

None

Bac II Calculator

No in-app purchases

2 purchases

C4official

One-time2

C4 L2: Expansion Membership$29.99
C4L1: DIY Meta Ads$49.99

Questions

Is Bac II Calculator free?

Bac II Calculator is free to download, with no in-app purchases.

Is C4official free?

C4official is free to download, with in-app purchases available.

Do Bac II Calculator or C4official have ads?

Bac II Calculator shows ads; C4official does not.

Which is updated more often, Bac II Calculator or C4official?

Bac II Calculator ships an update every 11 months, and C4official every 8 months. Most recently, Bac II Calculator was updated on November 7, 2026 and C4official on November 8, 2026.