Google Smart Lock vs Future Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Google Smart Lock
Securely log in to websites and apps using your phone's built-in security key or a physical Bluetooth key. It simplifies access by remembering your passwords and offering a more convenient sign-in experience.
- Use phone as security key
- Use Bluetooth security key
- Password saving
- Simplified sign-in
- Secure access
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Smart Lock allows you to use your Bluetooth security key or set up the security key built in to your phone.
Future Book
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Future Book is an AI-powered reading companion that helps you turn information into knowledge. Read books, articles, papers, and documents while using AI to instantly transform selected content into visual explanations, videos, knowledge cards, tables, and structured notes. Features: • AI Reading Assistant Select any content and let AI explain, summarize, and expand your understanding. • Generate Visual Knowledge Turn complex ideas into images, videos, and visual explanations. • Smart Notes Save your discoveries as organized knowledge cards and reading records. • Import & Export Manage your reading materials and notes with flexible import and backup options. Future Book helps students, researchers, creators, and lifelong learners learn faster and remember more.
Screenshots
Verdict
The clearest difference is in-app purchases: Google Smart Lock at none against Future Book's 4. Google Smart Lock also leads on chart position (#131 vs unranked). Future Book's advantage is update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement 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. Future Book sells 4 one-off in-app purchases. Google Smart Lock asks for nothing beyond the download.
Google Smart Lock ships an update every 2 months, Future Book every 10 days. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.
| Parameter | Google Smart Lock | Future Book |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (614 ratings) — better | — |
| Positive reviews | 9.4% of reviews | — |
| Number of ratings | 614 — better | — |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #131 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 56 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | 家华 林 | |
Bugs and requests
Google Smart Lock
Reported bugs
4 issues- Crashes on launch
- Doesn't detect nearby devices
- Endless login loop
- Incompatible with latest iOS
Requested features
3 requests- Support for NFC security keys
- Easier setup and usage
- Better compatibility with other devices
Future Book
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Google Smart Lock
No in-app purchases
Future Book
- 50 Credits$0.99
- 250 Credits$3.99
- 1000 Credits$12.99
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- 4000 Credits$39.99
Questions
Is Google Smart Lock free?
Is Future Book free?
Do Google Smart Lock or Future Book have ads?
Which is updated more often, Google Smart Lock or Future Book?
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