Comparison

Call Shield vs InstantFocus

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

Head to head
About

Call Shield

Take control of your incoming calls with this app. It blocks unwanted callers, including robocallers and telemarketers, using a secure, local blocklist that operates entirely on your device. Enjoy privacy protection with offline functionality and no required login.

Highlights
  • Block unwanted calls
  • Block number ranges (prefixes)
  • Offline functionality
  • No login required
  • Local device blocklist
  • Supports millions of blocked numbers
Read full description

Call Shield: Block Unwanted Calls and Safeguard Your Privacy Take control of incoming calls with Call Shield — a powerful utility that blocks robocallers, telemarketers, and unwanted numbers using custom blocklists that operate entirely on your device. Please Note: Call Shield is a custom rule and list manager. It does NOT include a pre-packaged spam database or built-in caller directory. You create, import, and manage your own custom blocklists and number ranges. Key Features: - Block & Identify Unwanted Calls: Add specific numbers or entire number ranges (prefixes) to block or identify callers. Supports up to 200 million numbers across multiple extensions. - 100% Offline & Private: Fully offline operation. No login required, and no data is transmitted — your privacy stays completely protected. - Flexible Custom Lists: Easily create, import, and manage your own custom blocklists and identification ranges. Important Notes: - No Pre-packaged Database: Call Shield does not provide a pre-installed spam database; you need to add your own numbers, prefixes, or lists. - Voicemail Handling: Blocked calls may still be forwarded to voicemail, depending on your mobile carrier’s policies. - Do Not Disturb Mode: If Do Not Disturb mode is active, blocked calls may still appear silently on your Home screen or in Recents. - Extension Setup: If Call Shield extensions don't appear immediately after updating rules, open Settings > Phone > Call Blocking & Identification to verify they are enabled. Privacy Policy: Call Shield does not collect, store, or transmit any personal data or call history. All blocking is handled locally on your device.

About

InstantFocus

Features
Read full description

Boost Your Focus with Our Intuitive and Fast Timer App Transform your productivity with our sleek and efficient timer app, designed to get you into focus mode effortlessly and quickly. - Seamless Focus Mode Entry: Jump straight into your work with a simple tap and start your focus session instantly. - Automatic Timer Start: No need for additional clicks. The timer auto-starts as soon as you launch the app, letting you dive right into your tasks. - Choose Your Timer Style: Whether you prefer the Pomodoro technique, a digital countdown, or a classic analog clock, our app has a mode that suits your style. - Flexible Orientation Support: Enjoy full functionality in both portrait and landscape modes, accommodating your preferred device orientation. - Stay Notified: Even if you close the app, timely notifications ensure you’re always on track. - Customizable Presets: Set your timer with your preferred presets to tailor your productivity sessions to your liking. Embrace productivity like never before. Download now to focus better, work smarter, and achieve more!

Screenshots

Call Shield4 screens
InstantFocus4 screens

Verdict

The call

The clearest difference is price: InstantFocus at $0.99 against Call Shield's $1.99. On ads, in-app purchases, 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

Call Shield costs $1.99 and InstantFocus $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
Call Shield versus InstantFocus: the parameters behind the verdict, then further details
ParameterCall ShieldInstantFocus
Price$1.99$0.99 — better
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyFortnightly—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better18.2
Further details — not scored
Size35 MB14 MB
Age rating4+4+
Developer磊 汪TLDR(KR)

In-app purchases

None

Call Shield

No in-app purchases

None

InstantFocus

No in-app purchases

Questions

Is Call Shield free?
Call Shield costs $1.99, with no in-app purchases.
Is InstantFocus free?
InstantFocus costs $0.99, with no in-app purchases.
Do Call Shield or InstantFocus have ads?
Neither Call Shield nor InstantFocus shows ads.

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