PreWill vs Karbor WiFi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PreWill
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PreWill tracks user activity and allows subscribers/users to designate up to 12 family members, loved ones or friends a personalized message in the event of the users untimely passing. Personalized messages are sent based on a time period of 7 days of inactivity on all registered devices. Users can choose to pause alerts as desired when devices are inactive for extended periods of time. PreWill also includes an additional free option called ThyWill which will send up to 12 additional personalized messages in the event of a Rapture event.
Karbor WiFi
This application enables users to manage and recharge their WiFi device SIM cards directly from their smartphone. It offers a convenient way to ensure continuous internet access for intelligent terminals.
- WiFi device SIM card recharge
- Internet access solutions
- Manage intelligent terminals
- Convenient mobile management
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Provides Internet access solutions for intelligent terminals karbor is an app installed on your phone that allows you to recharge your WiFi device sim card at any time.
Screenshots
Verdict
The clearest difference is in-app purchases: Karbor WiFi at none against PreWill's 1. Karbor WiFi also leads on iOS requirement (13.0 vs 16.0). PreWill's advantage is update cadence (every 11 days vs monthly). 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. PreWill sells 1 in-app purchase, starting at $2.99 per month. Karbor WiFi asks for nothing beyond the download.
PreWill ships an update every 11 days, Karbor WiFi monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | PreWill | Karbor WiFi |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (6 ratings) — better |
| Number of ratings | — | 6 — better |
| Update frequency | Every 11 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 60 MB |
| Age rating | 4+ | 17+ |
| Developer | PreWill, LLC | 深圳市瀚威隆科技有限公司 |
In-app purchases
PreWill
- PreWill Subscription Plan$2.991 Month
Karbor WiFi
No in-app purchases
