Comparison

Contact Separator vs Blitz Key

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

Head to head
About

Contact Separator

Organize and secure your contacts by separating them from your device's default list. This app identifies incoming callers and provides information in your call history, even for private contacts. It supports vCard import for easy management.

Highlights
  • Separate contacts from standard list
  • Caller Identification
  • Call History Identification
  • vCard Import
  • Privacy protection for contacts
Read full description

Isolate your contacts from the standard contact list and protect them from access by third-party apps. For example, maintain business contacts separately from private contacts and you will still be informed who is currently calling. Calls in the call history are also identified. • Separate contacts from standard contacts • Caller Identification • Call History Identification • vCard Import Privacy Policy: https://it-service-schneider.de/norobots/website-privacy-policy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Blitz Key

Read full description

Blitz Key is a mobile corporate authenticator for employees of organizations using the Blitz Identity Provider platform. The app provides secure and convenient access to corporate systems by enabling second-factor authentication – one-time codes and push notifications for login confirmation. One-Time Code Generation (TOTP): Blitz Key generates time-based one-time passwords for login, adding an extra layer of security to your account. Offline Mode: Generate codes and confirm logins even without an internet connection – ensuring reliable performance in any environment. Push Notifications: Blitz Key instantly sends a notification to your phone so you can confirm login with a single tap – no need to manually enter a code. Integration with Corporate Services: A single app for login confirmation across all systems connected to Blitz Identity Provider – one tool for every employee. Multiple Account Support: Access different services using multiple accounts within one app – no need to switch between apps or devices. Ease of Use: An intuitive, user-friendly interface with quick setup. Link your account and get started – with no unnecessary complexity. Blitz Key combines convenience and security, helping employees meet corporate compliance requirements effortlessly. Make multi-factor authentication a seamless experience with Blitz Key!

Screenshots

Contact Separator4 screens
Blitz Key4 screens

Verdict

The call

The clearest difference is in-app purchases: Blitz Key at none against Contact Separator's 2. Contact Separator's advantage is update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement 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. Contact Separator sells 2 in-app purchases, starting at $0.99 per month. Blitz Key asks for nothing beyond the download.

UpkeepUpdate frequency

Contact Separator ships an update weekly, Blitz Key every 6 weeks. The most recent releases landed on September 23, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level
Contact Separator versus Blitz Key: the parameters behind the verdict, then further details
ParameterContact SeparatorBlitz Key
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyWeekly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS17.0 — better18.0
Further details — not scored
Size7 MB8 MB
Age rating4+4+
DeveloperLars HerresREAK SOFT, OOO

In-app purchases

2 purchases

Contact Separator

Subscriptions1
  • Monthly Abo$0.991 Month
One-time1
  • Lifetime$5.99
None

Blitz Key

No in-app purchases

Questions

Is Contact Separator free?
Contact Separator is free to download, with in-app purchases available.
Is Blitz Key free?
Blitz Key is free to download, with no in-app purchases.
Do Contact Separator or Blitz Key have ads?
Neither Contact Separator nor Blitz Key shows ads.
Which is updated more often, Contact Separator or Blitz Key?
Contact Separator ships an update weekly, and Blitz Key every 6 weeks. Most recently, Contact Separator was updated on September 23, 2026 and Blitz Key on October 9, 2026.

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