Dualock vs Fontster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dualock
This app securely stores your notes by splitting them into two encrypted parts, stored separately. Access requires authentication from two specified SNS accounts, ensuring your data remains private and inaccessible to others.
- Two-part encrypted note storage
- Separate cloud storage for each part
- Dual SNS account authentication
- No password required
- Secure and private data handling
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Write your note. Leave Dualock keep it safe in the cloud. We do not use password, because password is not safe enough and hard to remember. Every note you saved here will be splited into two part. Both the parts will encrypted separately and saved separately, using a pair of SNS account you specified. To unlock your note, both accounts is needed. Only you know the pair and the order of the pair. It's safe. Even I don't know how to crack it.
Fontster
Explore and manage fonts installed on your device. Discover over 2,000 new fonts for installation and import your own TTF/OTF files for easy use across applications. Preview fonts with detailed metrics and typographic features.
- Font preview with metrics
- Detailed font attributes
- Glyph and character set overview
- Variable font variation inspection
- Typographic feature exploration
- Import and manage TTF/OTF fonts
- Install/uninstall fonts and families
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Explore comprehensive details about the fonts installed on your device and discover over 2500 new fonts available for installation. Import, manage, and update your own TTF and OTF fonts effortlessly. Simply import your font files and enjoy easy installation on your device, making your custom fonts available for all applications that support them. Key features include: - Font Preview: View a live preview of each font with an overlay of key metrics. - Detailed Metrics: Access essential metrics such as Ascender, Descender, Italic Angle, and more. - Font Attributes: Get information on the font's Version, Family, PostScript Name, Supported Languages, and additional attributes. - Glyph Overview: Browse a complete list of all font glyphs, with detailed information. - Classes and Traits: Review the various classes and traits associated with each font. - Character Set: Check the character sets supported by each font, including letters, numbers, and symbols. - Variable Font Support: - View a comprehensive list of all supported variations, including the hidden ones. - Inspect the list of variations applied to the font. - You can inspect the font variations, change their values, and preview the results. You can even modify hidden variations. - Typographic Features: - View and inspect the features available in each font. - Enable features individually to see their effects on the text. - The app supports Open Type and Apple Advanced Typography features. - Swipe through the features to view more information. - Write with Fonts: Preview fonts directly without the need for installation. - Font Management: - Easily install or uninstall individual fonts or entire font families at once. - Import and install your TTF and OTF fonts using configuration profiles. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://artandsoulperiod.wordpress.com/fonts-manager-by-as-privacy-policy
Screenshots
Verdict
The clearest difference is price: Fontster at Free against Dualock's $1.99. Fontster also leads on ratings volume (8 vs 1). Dualock's advantage is rating (5.0 vs 3.4) and in-app purchases (none vs 1). On update cadence, 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
Fontster is free to download; Dualock costs $1.99 up front. Fontster sells 1 in-app purchase, starting at $1.99 per month. Dualock asks for nothing beyond the download.
Dualock holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Fontster has 8 ratings behind it against 1, so its average is the more settled of the two.
Dualock ships an update every 4 months, Fontster every 5 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Dualock | Fontster |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 3.4 (8 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 8 — better |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Gear Zero Network Inc. | Salvatore Petrazzuolo |
Customer experience
Dualock
Fontster
In-app purchases
Dualock
No in-app purchases
Fontster
- All features$1.991 Month
