PreWill vs Inheritance by JW
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.
Inheritance by JW
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Inheritance Calculator is a powerful tool designed to simplify the process of planning and calculating inheritance. Whether you're an individual looking to understand how your estate will be divided or a professional assisting clients with estate planning, this app provides the essential features you need.
Screenshots
Verdict
The clearest difference is in-app purchases: Inheritance by JW at none against PreWill's 1. Inheritance by JW also leads on iOS requirement (12.0 vs 16.0). PreWill's advantage is update cadence (every 11 days vs every 7 months). 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. Inheritance by JW asks for nothing beyond the download.
PreWill ships an update every 11 days, Inheritance by JW every 7 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | PreWill | Inheritance by JW |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 days — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | PreWill, LLC | Just wills |
In-app purchases
PreWill
- PreWill Subscription Plan$2.991 Month
Inheritance by JW
No in-app purchases
