Tide Chart Master vs KeyQR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tide Chart Master
Access global tide charts with intuitive line graphs and 7-day weather forecasts. Includes tools for temperature, humidity, air quality, decibel detection, and a compass for navigation.
- Global tide chart viewing
- 7-day weather forecast
- Sunrise/sunset times
- Temperature and humidity measurement
- Air quality and decibel detection
- Compass for direction
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The Tide Chart supports viewing tides in multiple regions around the world. Through a clear and easy-to-understand line chart, you can intuitively check the changing trend of tides. While checking the tides, it also supports viewing the 7-day weather forecast and sunrise/sunset times. It provides a variety of practical tools, including temperature measurement, humidity measurement, air quality measurement, and decibel detection. The compass helps you clearly distinguish directions and avoid getting lost when checking the tides. Subscription Instructions: -- Subscription Types: Monthly Subscription, Semi-annual Subscription, Weekly Subscription, Quarterly Subscription. -- Subscription Price: Please refer to the subscription page within the app for specific subscription prices. -- Subscription Payment: When you confirm the purchase of a subscription, the payment will be deducted and charged to your iTunes account. -- Subscription Renewal: The subscription will be automatically renewed and charged within 24 hours before the current period expires. After the charge is successful, the subscription period will be extended to the next cycle. -- Subscription Cancellation: If you need to cancel the renewal service, you must do so at least 24 hours before the end of the current subscription period. The specific steps are: open your mobile phone → enter Settings → click "Apple ID" → select the "Subscriptions" page → choose the subscription you want to cancel. Privacy Policy: https://www.yuque.com/jiangdiwangjide/iwnktm/wys3zw46efxxixfb?singleDoc# Terms of Service: https://www.yuque.com/jiangdiwangjide/iwnktm/fgfc5ghovdgo9he4?singleDoc#
KeyQR
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KeyQR est une application simple, rapide et intuitive qui vous permet de créer des QR codes en quelques secondes. Transformez facilement vos liens web, numéros de téléphone, adresses e-mail, SMS ou informations Wi-Fi en QR codes prêts à être partagés ou enregistrés. Fonctionnalités principales : • Création instantanée de QR codes • Prise en charge des liens web (URL) • QR codes pour numéros de téléphone • QR codes pour adresses e-mail • QR codes pour SMS • QR codes pour réseaux Wi-Fi • Enregistrement dans la photothèque • Partage rapide vers vos applications préférées • Interface simple et rapide à utiliser Que ce soit pour un usage personnel, professionnel ou associatif, KeyQR vous aide à créer et partager vos informations sous forme de QR codes en quelques instants. Aucune inscription requise. Aucune configuration compliquée. Créez, enregistrez et partagez vos QR codes où que vous soyez. De nouvelles fonctionnalités seront ajoutées régulièrement afin d'améliorer votre expérience et d'étendre les possibilités offertes par KeyQR.
Screenshots
Verdict
The clearest difference is in-app purchases: KeyQR at none against Tide Chart Master's 8. KeyQR also leads on update cadence (every 4 days vs every 4 months). Tide Chart Master's advantage is iOS requirement (13.0 vs 17.6). On price, 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
Both are free to download. Tide Chart Master sells 8 in-app purchases, starting at $0.99 per month. KeyQR asks for nothing beyond the download.
Tide Chart Master ships an update every 4 months, KeyQR every 4 days. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.
| Parameter | Tide Chart Master | KeyQR |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 36 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 苗 何 | Jean-Yves Nocart |
In-app purchases
Tide Chart Master
- 誉贺全球潮汐:订阅月度专业版高级服务3 Days trial$0.991 Month
- Tide Chart: Weekly Subscription3 Days trial$0.997 Days
- 誉贺全球潮汐:订阅月度高级专业版服务3 Days trial$2.991 Month
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- 誉贺全球潮汐:订阅半年专业版高级服务3 Days trial$3.996 Months
- Tide Chart: Weekly Subscription3 Days trial$4.997 Days
- 潮汐表:高级权限季度订阅3 Days trial$9.993 Months
- 誉贺全球潮汐:订阅半年高级专业版服务3 Days trial$14.996 Months
- Tide Chart: Quarterly Subscription3 Days trial$24.993 Months
KeyQR
No in-app purchases









