Comparison

Pass Book vs AppSaver

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Generates two-factor authentication codes
  • iCloud synchronization across devices
  • Secure keychain data storage
  • No analytics or tracking
  • Simple user interface
Features
Read full description

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.

About

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.

Highlights
  • Save App Store apps
  • Automatic app information parsing
  • Organize with custom tags
  • Search, sort, and browse views
  • iCloud synchronization
  • Competitor research and design inspiration
Features
Read full description

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

Pass Book3 screens
AppSaver4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AppSaver sells 1 one-off in-app purchase. Pass Book asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Pass Book ships an update every 2 days, AppSaver daily. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

Scorecard6 real differences · 4 level
Pass Book versus AppSaver: the parameters behind the verdict, then further details
ParameterPass BookAppSaver
PriceFreeFree
Rating3.4 (5 ratings)5.0 (1 ratings) — better
Positive reviews—72.7% of reviews
Number of ratings5 — better1
Update frequencyEvery 2 daysDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad
Requires iOS14.0 — better17.6
Further details — not scored
Size5 MB12 MB
Age rating4+4+
DeveloperAlexander Logan凯丽 孟

Customer experience

Pass Book

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%

AppSaver

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive72.7%
Neutral9.1%
Negative18.2%

In-app purchases

None

Pass Book

No in-app purchases

1 purchases

AppSaver

One-time1
  • PRO$1.99

Questions

Is Pass Book free?
Pass Book is free to download, with no in-app purchases.
Is AppSaver free?
AppSaver is free to download, with in-app purchases available.
Which has better reviews, Pass Book or AppSaver?
AppSaver is rated higher. Pass Book averages 3.4 out of 5 from 5 ratings, while AppSaver averages 5.0 from 1 ratings.
Do Pass Book or AppSaver have ads?
Neither Pass Book nor AppSaver shows ads.
Which is updated more often, Pass Book or AppSaver?
Pass Book ships an update every 2 days, and AppSaver daily. Most recently, Pass Book was updated on October 11, 2026 and AppSaver on October 10, 2026.

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