IsI Calculator vs GradTime
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
IsI Calculator
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This app offers a complete calculator with many well-known features for your everyday calculations required. functions: addition subtraction multiplication Division Percent account Potentiation high 2 and 3 Since Version 1.2 the app is now useable on Apple Watch.
GradTime
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GradTime brings world time and daylight into a calm, customizable display. WORLD TIME AND DAYLIGHT See the current time in your selected cities, follow day and night across the world map, and view sunrise and sunset information for your chosen location. YOUR DISPLAY, YOUR STYLE Adjust colors, font sizes, clock alignment, and visible elements. Choose backgrounds that suit your space. PERSONAL AUDIO AND RADIO ALARMS After registering and signing in, you can add HTTPS audio or radio stream addresses that you are authorized to use. The app reminds you to add only content for which you have the necessary rights or permission. Your personal entries are available only to your own account and are not shared with other users. Use your own streams for listening or scheduled audio alarms. Scheduled playback requires GradTime to remain open and running. ACCOUNT AND SETTINGS Clock features work without an account. Sign in to synchronize supported settings across your devices and manage your personal streams. Locally imported background files remain on the device. Audio streaming and account features require an internet connection. Available in English, Simplified Chinese, Traditional Chinese, Japanese, and Korean. GradTime is an in-app display and does not replace the iPhone or iPad system wallpaper. Scheduled playback cannot wake an app suspended by iOS.
Screenshots
Verdict
The clearest difference is iOS requirement: IsI Calculator at 9.0 against GradTime's 17.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | IsI Calculator | GradTime |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, Mac, Apple TV |
| Requires iOS | 9.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 15 MB | 89 MB |
| Age rating | 4+ | 17+ |
| Developer | Dominic Barra | GradMarket LLC |
In-app purchases
IsI Calculator
No in-app purchases
GradTime
No in-app purchases
Questions
Is IsI Calculator free?
Is GradTime free?
Do IsI Calculator or GradTime have ads?
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