Student Lifeline vs One Kanji Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Student Lifeline
This app provides a safety tool for students and others, allowing them to send SOS alerts with their location to pre-set emergency contacts. It prioritizes privacy and aims to offer peace of mind and a sense of security.
- SOS alerts to emergency contacts
- Real-time location sharing
- Up to three trusted contacts
- Privacy-focused data handling
- Annual subscription for full access
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Student Lifeline is a comprehensive app designed to empower students, and anyone else for that matter, with a powerful safety tool at their fingertips. Student Lifeline helps you stay connected and safe. Student Lifeline Key Features: - SOS Alerts: In an emergency situation, simply tap the ALERT! button to instantly send an SOS to up to three pre-set emergency contacts. They will receive your exact location, allowing them to promptly assist you. - Trusted Contacts: Specify up to three trusted contacts who will receive your SOS alerts and be kept updated on your status during emergencies. Student Lifeline prioritizes your safety without compromising your privacy. Rest assured that your personal information and location data are securely stored and only shared with your designated emergency contacts. Our mission is to provide peace of mind and a sense of security for all students. With Student Lifeline, we believe that every student should have access to a reliable safety net. Download Student Lifeline today and take control of your safety while pursuing your studies. The Student Lifeline app can only be used by purchasing and maintaining an auto-renewing subscription through an In-App Purchase. (If you do not maintain a subscription you will be unable to access the primary functions of this app.) Student Lifeline Subscriptions • Annual Auto-renewable subscription ($12.00) required. • Your subscription will be charged to your App Store account at confirmation of purchase and will automatically renew annually unless auto-renew is turned off at least 24 hours before the end of the current period. • Privacy policy: https://studentlifeline.com/privacy-policy/ • Terms of Service/EULA: https://studentlifeline.com/terms/
One Kanji Clock
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This clock displays kanji characters for your enjoyment. Kanji characters are displayed one at a time in random, and change over as time passes. The size of the characters can be changed in three levels. The length of the switching time can be adjusted. Hiragana and English can also be displayed. There are more than 700 kanji in the database. The number is small at first, but it will gradually increase. You can also choose your favorite kanji to display. You can choose from 20 different backgrounds. A time signal can be set to sound at 0 minutes. You can choose from 78 different sounds for the time signal.
Screenshots
Verdict
The clearest difference is ads: Student Lifeline at none against One Kanji Clock's shown. Student Lifeline also leads on update cadence (every 2 days vs every 2 months). On price, in-app purchases, device support and iOS requirement 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. Student Lifeline sells 1 in-app purchase, starting at $12.00 per year and One Kanji Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Student Lifeline ships an update every 2 days, One Kanji Clock every 2 months. Both last shipped on November 3, 2026.
| Parameter | Student Lifeline | One Kanji Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 days — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 31 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Noble & Masters Marketing Inc | Mihoko Araki |
In-app purchases
Student Lifeline
- Yearly Subscription$12.001 Year
One Kanji Clock
- One Kanji Clock with no ads$2.99
Questions
Is Student Lifeline free?
Is One Kanji Clock free?
Do Student Lifeline or One Kanji Clock have ads?
Which is updated more often, Student Lifeline or One Kanji Clock?
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