Furiganify! vs Block Spam
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Furiganify!
This extension adds Japanese reading aids (Furigana) to text displayed in Safari. It processes all data locally for enhanced privacy and offers customization options for learning. Choose between Romaji or Hiragana, and filter by school grade or JLPT level.
- Adds Furigana (Ruby characters) to Japanese text
- On-device processing for maximum privacy
- Supports Romaji and Hiragana
- Filter Furigana by school grade
- Filter Furigana by JLPT level
- Reduces clutter for studying
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Furiganify! is a lightweight extension for Safari that adds Furigana reading aids (Ruby characters) to Japanese text. All processing occurs on your device to ensure maximum privacy. Furiganify only reads the content from webpages you explicitly select. No data about the webpages you visit or their content ever leaves your device. Both Latin characters (Romaji) and Hiragana can be used. In addition, you can also chose to have furigana added only to Kanji characters beyond a certain school grade or JLPT level. This reduces clutter and serves as a great studying aid.
Block Spam
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Block Spam is a software that can customize caller identification and call blocking. Just edit the number to be identified / blocked, and click [Reload Extension] to complete the configuration. * Custom caller identification and call blocking * Batch block phone numbers * Show the country / region where the number is added * Support multi-country number addition * Clear all blocked calls with one click Tips: After each operation, please click [Reload Extension] to take effect. If you are prompted that you do not have permission, please enter the permission in the phone [Settings]-> [Phone]-> [Call blocking & Identification].
Screenshots
Verdict
The clearest difference is price: Furiganify! at Free against Block Spam's $0.99. Block Spam's advantage is update cadence (every 4 months vs every 8 months) and iOS requirement (15.6 vs 17.6). On ads, in-app purchases 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
Furiganify! is free to download; Block Spam costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Furiganify! ships an update every 8 months, Block Spam every 4 months. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.
| Parameter | Furiganify! | Block Spam |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.0 (8 ratings) — better | — |
| Positive reviews | 72.4% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 8 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 8 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | telethon k.k. | 恒俭 董 |
In-app purchases
Furiganify!
No in-app purchases
Block Spam
No in-app purchases
