Crystal Disk vs TKS notice
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Crystal Disk
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Crystal Disk is the software designed for V-smart Airdisk wireless portable storage devices. This app allows you to backup, store, transfer, and exchange files easily between Mac/PC, smartphones, tablets, and other iOS mobile devices without any other synchronization software such as iTunes. Crystal Disk allows you to store, view, and manage files on your iOS mobile devices and backing up your music, photos, and documents in the Airdisk storage device. You can also recover the data on any mobile device on all operating systems. Other feature include - Backup of contact information and recovery on a different platform Powerful media player that supports all major media formats Audio: mp3, aac, m4a, aif, aiff, wav, flac, ape, and more
TKS notice
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"First in Japan!" A health check application that allows you to monitor the expiration date of your "Domain" and "SSL" with a simple operation! "Up to 145 URLs can be registered at the lowest price !" Have problems missing SMS or email nortifications? TKS notice App will notify you with "device notifications"! -How to use 1.Download app 2.Enter the site name and domain name 3.Set expiration date reminder Once you've registered and set your notifications, just leave the app alone! The app will automatically update twice a day to let you know if there's anything wrong! - forgot to renew the expiration date. - Failed to notice quickly that the site was down Solve these problems with TKS notice! Download now , monitor your Web site on a daily basis and say good bye to these problems ! Notes: -Account registration is required for device transfer. -You can register more URLs by In-App Purchases. Terms of service: https://dokokade.co.jp/terms_tks_notice Privacy Policy https://dokokade.co.jp/privacypolicy_apps_tks_notice
Screenshots
Verdict
The clearest difference is in-app purchases: Crystal Disk at none against TKS notice's 5. Crystal Disk also leads on iOS requirement (8.0 vs 14.0). TKS notice's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads 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. TKS notice sells 5 in-app purchases, starting at $4.49 per month. Crystal Disk asks for nothing beyond the download.
Crystal Disk ships an update every 6 weeks, TKS notice fortnightly. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.
| Parameter | Crystal Disk | TKS notice |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Fortnightly โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 8.0 โ better | 14.0 |
| Further details โ not scored | ||
| Size | 86 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | Sunita Telecom Co.,Ltd. | Dokokade Inc. |
In-app purchases
Crystal Disk
No in-app purchases
TKS notice
- Plan 5$4.491 Month
- Plan 12$9.491 Month
- Plan 25$18.991 Month
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- Plan 65$38.991 Month
- Plan 140$76.991 Month
Questions
Is Crystal Disk free?
Is TKS notice free?
Do Crystal Disk or TKS notice have ads?
Which is updated more often, Crystal Disk or TKS notice?
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