Think Safe vs HeartTo
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Think Safe
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Think Safe is a personal diary app that allows you to express your feelings and intimate notes, which can include pictures, automatic location, and date. Built-in search and sharing facilities allow you to find, and use other apps with your entry's content. Available as In-App Purchase are the following features: * Allow for extra security pin / password * Any change in default settings such as automatic date/location, notes arrangement and ordering (list or grid), security pin.
HeartTo
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[ HeartTo - Key Features ] - Easily invite your partner and share notes - End-to-end encryption protects all your data - Search through your notes instantly - Vibrant themes, soft themes, and dark mode support - Backup and restore your notes
Screenshots
Verdict
The clearest difference is in-app purchases: HeartTo at none against Think Safe's 1. HeartTo also leads on update cadence (every 3 days vs every 28 months). Think Safe's advantage is iOS requirement (12.1 vs 18.2). 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. Think Safe sells 1 one-off in-app purchase. HeartTo asks for nothing beyond the download.
Think Safe ships an update every 28 months, HeartTo every 3 days. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.
| Parameter | Think Safe | HeartTo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 28 months | Every 3 days โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 12.1 โ better | 18.2 |
| Further details โ not scored | ||
| Size | 3 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Emidio Cunha | Heung Ju Ha |
In-app purchases
Think Safe
- Features Unlock$1.99
HeartTo
No in-app purchases
