Comparison

Z3 Control vs Karticka

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

Head to head
About

Z3 Control

Manage your speaker's audio settings and network connection directly from your smartphone. Adjust volume, enhance bass, and connect wirelessly without needing cables. Stay updated with the latest features through firmware checks.

Highlights
  • Adjust speaker volume
  • Enhance bass
  • Wireless network setup
  • Check for firmware updates
  • Access new features
Features
Read full description

Control your speaker from your phone. This app will allow you to adjust speaker volume and enhance your bass. It will help you to put the speaker on your wireless network. No more need to look for Ethernet cables. You can also use this app to check for new speaker firmware and stay updated with the newest features.

About

Karticka

Features
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Karticka keeps all your loyalty and membership cards in one place, so you never miss points or rewards at checkout. SCAN AND GO Point your camera at any barcode and Karticka recognizes it instantly. Supports EAN-13, EAN-8, Code-128, Code-39, QR codes, and more. No typing required - just scan and save. YOUR CARDS, YOUR WAY Personalize each card with a nickname or choose from the list. Mark favorites for quick access. Search to find the right card in seconds. FULL-SCREEN BARCODE Present your card at checkout with a large, bright barcode display. Auto-brightness ensures it scans perfectly every time. SYNCED ACROSS DEVICES Your cards sync automatically via iCloud. Add a card on your iPhone and it appears on your iPad - no account or sign-up needed. SHARE YOUR CARDS Share any card as a beautifully rendered image that anyone can scan - even without the app. BUILT FOR PRIVACY No accounts, no tracking, no third-party services. Your data stays on your device and in your private iCloud storage. Period. FREE TO USE Store up to 8 cards for free. Unlock unlimited cards with a single one-time purchase - no subscriptions, ever. Supports Family Sharing.

Screenshots

Z3 Control4 screens
Karticka4 screens

Verdict

The call

The clearest difference is in-app purchases: Z3 Control at none against Karticka's 1. Z3 Control also leads on iOS requirement (9.3 vs 17.6). On price, update cadence, ads 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. Karticka sells 1 one-off in-app purchase. Z3 Control asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 21, 2026 and July 31, 2026 respectively.

Scorecard2 real differences · 8 level
Z3 Control versus Karticka: the parameters behind the verdict, then further details
ParameterZ3 ControlKarticka
PriceFreeFree
Rating1.1 (10 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.3 — better17.6
Further details — not scored
Size15 MB15 MB
Age rating4+4+
DeveloperELAC Americas Inc.Cask Coded s.r.o.

In-app purchases

None

Z3 Control

No in-app purchases

1 purchases

Karticka

One-time1
  • Unlimited Cards$1.99

Questions

Is Z3 Control free?
Z3 Control is free to download, with no in-app purchases.
Is Karticka free?
Karticka is free to download, with in-app purchases available.
Do Z3 Control or Karticka have ads?
Neither Z3 Control nor Karticka shows ads.
Which is updated more often, Z3 Control or Karticka?
Z3 Control ships an update every 2 weeks, and Karticka every 2 weeks. Most recently, Z3 Control was updated on September 21, 2026 and Karticka on July 31, 2026.

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