Pass Book vs AppSaver
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pass Book
This utility app generates two-factor authentication codes for your accounts. It synchronizes codes across your devices using iCloud and keeps your secrets secure in your device's keychain. The app focuses on simple, private data storage without analytics or tracking.
- Generates two-factor authentication codes
- iCloud synchronization across devices
- Secure keychain data storage
- No analytics or tracking
- Simple user interface
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Pass Book is a simple two factor authentication app that generates codes for you and synchronises them to your other devices via iCloud. Your data is kept secure with your secrets remaining in your keychain and only used when the device is unlocked. No analytics, no tracking, just simple data storage.
AppSaver
This tool helps users save and organize App Store apps for research and inspiration. It automatically fetches app details and allows for custom tagging to build a personal library of useful applications.
- Save App Store apps
- Automatic app information parsing
- Organize with custom tags
- Search, sort, and browse views
- iCloud synchronization
- Competitor research and design inspiration
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AppSaver is an app collection and research tool built for indie developers, product managers, designers, and anyone who loves discovering great apps. See an app worth studying? Save it to AppSaver instead of relying on scattered screenshots, browser bookmarks, or notes. Simply paste an App Store link to save key app information such as the app name, icon, developer, category, rating, screenshots, and store details. Add custom tags to organize apps by competitor, design inspiration, subscription model, pricing strategy, ASO reference, product ideas, and more. Build your own searchable app library for product research, competitor analysis, and design inspiration. 【Save Apps for Later】 Keep interesting App Store apps in one organized place. Save competitors, design references, product ideas, pricing examples, and apps you want to revisit later. 【Competitor & Product Research】 AppSaver makes it easier to build a long-term research library for: • Competitor analysis • Product research • Market research • Pricing strategies • Subscription models • ASO reference • Product ideas • App discovery Instead of losing useful apps in screenshots or browser tabs, keep everything organized in one searchable collection. 【Design Inspiration】 Save apps with great interfaces, interactions, onboarding flows, or product ideas. Use your collection as a personal inspiration library for: • UI / UX design • Product design • App ideas • Interface references • Feature research • Design case studies 【Custom Tags】 Create your own tags and organize saved apps however you like. For example: Competitors Design Inspiration UI Reference Subscriptions Pricing ASO Product Ideas Wishlist As your collection grows, tags make it easy to find exactly what you need. 【Search & Browse】 Quickly search, sort, and browse your saved apps. Switch between card and list views to review your collection in the way that works best for you. 【iCloud Sync】 Your saved apps, tags, and research data can sync through iCloud. Switch devices or reinstall AppSaver and continue using your collection without starting over. 【Made For】 • Indie developers researching competitors and pricing • Product managers collecting product ideas and market references • UI / UX designers saving design inspiration • App marketers organizing ASO and product research • App enthusiasts building a personal app wishlist 【Free to Try, One-Time Upgrade】 Free users can save up to 10 apps. Upgrade to AppSaver PRO with a one-time purchase to unlock unlimited app collection and all premium features permanently. No subscription required. Save every app worth studying. A small idea you discover today could inspire your next great product.
Screenshots
Verdict
The clearest difference is rating: AppSaver at 5.0 against Pass Book's 3.4. Pass Book's advantage is in-app purchases (none vs 1) and ratings volume (5 vs 1). On price, update cadence and ads 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. AppSaver sells 1 one-off in-app purchase. Pass Book asks for nothing beyond the download.
AppSaver holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Pass Book has 5 ratings behind it against 1, so its average is the more settled of the two.
Pass Book ships an update every 2 days, AppSaver daily. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.
| Parameter | Pass Book | AppSaver |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 72.7% of reviews |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 2 days | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 5 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Logan | 凯丽 孟 |
Customer experience
Pass Book
AppSaver
In-app purchases
Pass Book
No in-app purchases
AppSaver
- PRO$1.99
Questions
Is Pass Book free?
Is AppSaver free?
Which has better reviews, Pass Book or AppSaver?
Do Pass Book or AppSaver have ads?
Which is updated more often, Pass Book or AppSaver?
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