qppstudio worldwide holidays vs ChangeWatcher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
qppstudio worldwide holidays
Access a comprehensive database of public holidays for all 197 countries and over 50 territories worldwide. This free app provides accurate, nightly updated information relied upon by professionals in various global industries.
- Global holiday coverage
- Covers 197 countries
- Includes 50+ territories
- Nightly data updates
- Professional reference source
- Free to use
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This is the iOS version of the qppstudio Worldwide Public Holidays Database, created in 1989, and which is the professional reference source, relied upon by the world's foremost diary and calendar publishers, the travel and tourism industry, international news services, finance and banking, telecommunications, shipping and logistics, the IT Industry, and governmental agencies. The qppstudio Worldwide Public Holidays Database covers all 197 countries of the world as well as the 50+ semi-independent territories which observe their own separate public holidays (Hong Kong, Macau, Gibraltar, Jersey, Guernsey, the Isle of Man, Puerto Rico, ...). As we have clients on all 5 continents, we treat each country with the same perfectionism, no matter how small or how remote the country is. This app is 100% free and contains no ads. Data is updated nightly.
ChangeWatcher
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ChangeWatcher is a mobile companion for changedetection.io — the open-source website change detection service. Connect to your self-hosted or cloud changedetection.io instance and monitor all your watched pages from your iPhone or iPad device. KEY FEATURES • View and manage all your monitored websites in one place • Add new watches and organize them with tags • Compare page snapshots with a built-in Diff viewer • Track price changes and restock alerts • Configure content filters using CSS selectors, XPath, JSONPath, or JQ • Set up custom notification channels (Discord, Slack, Email, and more) • Pause, resume, or recheck watches on the go • Connect to multiple changedetection.io instances • Dark mode support HOW IT WORKS ChangeWatcher connects to your changedetection.io instance via its API. All monitoring runs on your server — the app gives you a fast, native way to check results, review changes, and manage your watches from anywhere. No account creation required. Just point the app at your changedetection.io instance, enter your API key, and you're ready to go. Privacy Policy: https://changewatcher.app/privacy Terms of Use: https://changewatcher.app/terms
Screenshots
Verdict
The clearest difference is in-app purchases: qppstudio worldwide holidays at none against ChangeWatcher's 3. qppstudio worldwide holidays also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.0). ChangeWatcher's advantage is update cadence (every 8 days vs every 5 weeks). On price 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
Both are free to download. ChangeWatcher sells 3 in-app purchases, starting at $0.99 per month. qppstudio worldwide holidays asks for nothing beyond the download.
qppstudio worldwide holidays ships an update every 5 weeks, ChangeWatcher every 8 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | qppstudio worldwide holidays | ChangeWatcher |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 weeks | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 22 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Olivier Beltrami | Paolo Leonardi |
In-app purchases
qppstudio worldwide holidays
No in-app purchases
ChangeWatcher
- Ad-Free Monthly$0.991 Month
- Ad-Free Yearly$4.991 Year
- Ad-Free Lifetime$9.99
Questions
Is qppstudio worldwide holidays free?
Is ChangeWatcher free?
Do qppstudio worldwide holidays or ChangeWatcher have ads?
Which is updated more often, qppstudio worldwide holidays or ChangeWatcher?
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