Products

CallSky.io

International Calling That Just Works

callsky.io App Store Google PlayUtilities / Phone Numbers & Telecom

AI Benchmark
Desktop
Mobile
Monthly visits
None yet
No traffic data yet
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
$5/mo
Lower than 75% of peersNiche median $9.99/mo
Creators
Hermann Kahnwald
@hermann_ai· 456 followers
Launched
18mo ago
2025-05-23 · Est.

Traffic

Monthly visits

No traffic data yet.

Marketing moves

Launches, search & content, referrals, promotions
X accounts@hermann_ai@tegantvpn

  • Launched on Product HuntLaunch

    Affordable international calls from $0.01/minute

    Jun 11, 2025 · 17mo agoLaunch page

  • Launched on Show HN (6 pts · 2 comments)Launch

    I made an International calling app after Skype shutdown ($0.01/min) — I built CallSky as a simple alternative for international calling after Microsoft shut down Skype earlier this month. The app lets you mak…

    May 23, 2025 · 18mo agoLaunch page

Third-party reviews & case dossiers

Acquisition breakdowns, engineer reviews & open-source metrics
Show HN
2025-05-23Source
Post excerpt:
I built CallSky as a simple alternative for international calling after Microsoft shut down Skype earlier this month. The app lets you make calls to landlines and cell phones worldwide starting at $0.01/minute with a pay-as-you-go model. I noticed that while Teams replaced Skype's video/chat conferencing, it doesn't offer the same affordable PSTN calling tha

Store data

App Store · Google Play
App Store App Store
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Price & IAP
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Current version
—Store metadata
Google Play Google Play
Update date not synced
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Price & IAP
FreeIAP data not synced
Current version
—Store metadata

Store assets, rating histograms, install tiers, and screenshots are synced from Apple App Store, Google Play, and Chrome Web Store.

Traffic sources

Traffic breakdown

No traffic channel or country breakdown data for this website yet.

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Search

Domain authority —Domain registered Unknown

No search keyword data for this website yet.

Traffic data: Vaneform

Pricing

Perfect for occasional calls
$5 USD
Up to 166 minutes of calling · No expiration date · Technical support
Ideal for regular calls
$10 USD
Up to 333 minutes of calling
Perfect for frequent callers
$20 USD
Up to 666 minutes of calling

Trial: None · Observed 2026-11-09 · Source page

Entry price $5/mo, Lower than 75% of peers; “Phone Numbers & Telecom” median is $9.99/mo.View pricing benchmark

Pages & changes

Tracked since 2025-06-11

Key pages

Weekly snapshots

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much does CallSky.io cost?
Perfect for occasional calls: $5 USD; Ideal for regular calls: $10 USD; Perfect for frequent callers: $20 USD. Observed 2026-11-09. Check the source for current billing terms, usage limits and taxes.Source

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