Comparison

CalcVerter vs AppSaver

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

Head to head
About

CalcVerter

This comprehensive utility app offers a vast array of tools for calculations, conversions, and scientific exploration. It features customizable calculators, unit and base converters, time zone tools, and a science hub with constants and a periodic table. Personalize your experience with themes, widgets, and advanced statistics.

Highlights
  • Customizable calculators with multiple registers
  • Extensive unit and base conversion tools
  • Time zone and date calculation utilities
  • Science hub with constants and periodic table
  • Password, UUID, and random number generators
  • QR code creation and scanning
  • Advanced statistics and data visualization
Features
Read full description

CalcVerter – The Ultimate All in one Calculator and Converter One app. Endless possibilities. CalcVerter is your all-in-one powerhouse for calculations, conversions, and scientific exploration—designed to be the only tool you’ll ever need. Powerful Calculators - Create multiple calculators with custom registers, layouts, themes, and settings - Swipe effortlessly between calculators for a seamless workflow - Access over 500 built-in formula calculators across Geometry, Health, Finance, Physics, Engineering, and more - Build and share your own formula calculators. Conversions Made Simple - Unit Converter: 30 categories with favorites and sorting options - Base Converter: Convert between bases 2–64 instantly - Timezone Converter: Switch between time zones with detailed insights - Date and Time Tools: Calculate differences, ages, add/subtract dates, and more Science and Knowledge Hub - Constants: Over 350 organized constants (Astronomical, Mathematical, Atomic, Universal) - Periodic Table: Explore elements with detailed data, isotopes, and spectra - Planets: Discover celestial details and calculate your weight on other worlds - Solubility Tables and Hydrocarbons: Rich reference data at your fingertips Generators and Utilities - Strong Password Generator and UUID Generator - Random Number Generator for any scenario - QR Code Tools: Create and scan codes for websites, Wi-Fi, mail, and more - Word Counter and Tip Calculator for everyday tasks Advanced Statistics and Visualization - Descriptive statistics: Mean, Median, Mode, Standard Deviation, and more - Probability calculators for single and multiple events - Interactive charts: histograms, pie charts, box-and-whisker plots, and more Colors and Design Tools - Browse popular color palettes with detailed formats including HEX, RGB, HSB, HSL, XYZ, CMYK and more - Create custom color collections for projects - Convert between color formats with ease - Generate color codes for each color that can be used in Swift, Objective-C, SwiftUI, Kotlin, CSS and more Personalization and Extras - Widgets for quick access to calculators and converters - Extensive settings: number formatters, themes, filters, and more - Maths tables for quick reference - Built-in search to find any tools, calculators, converters and more eacily CalcVerter isn’t just another calculator—it’s a complete toolkit for professionals, students, and everyday users. Download now and experience the app that truly rules them all. Feel free to send any suggestions, report errors, or bugs to the support email below to make CalcVerter even better and more useful. loaysetrak.software@outlook.com.au Terms of Use: https://www.apple.com/legal/internet-services/itunes/appstore/dev/stdeula/

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

CalcVerter4 screens
AppSaver4 screens

Verdict

The call

The clearest difference is rating: AppSaver at 5.0 against CalcVerter's 4.5. AppSaver also leads on update cadence (daily vs monthly). CalcVerter's advantage is ratings volume (13 vs 1) and review sentiment (82% vs 73%). On price, ads, in-app purchases and monetization model 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. CalcVerter sells 16 in-app purchases, starting at $0.99 per month and AppSaver sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

AppSaver holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: CalcVerter has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 82% of CalcVerter's written reviews are positive against 73% of AppSaver's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

CalcVerter ships an update monthly, AppSaver daily. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

Scorecard5 real differences · 5 level
CalcVerter versus AppSaver: the parameters behind the verdict, then further details
ParameterCalcVerterAppSaver
PriceFreeFree
Rating4.5 (13 ratings)5.0 (1 ratings) — better
Positive reviews81.8% of reviews — better72.7% of reviews
Number of ratings13 — better1
Update frequencyMonthlyDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad
Requires iOS17.0 — better17.6
Further details — not scored
Size161 MB12 MB
Age rating4+4+
Developerloay setrak凯丽 孟

Customer experience

CalcVerter

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews11 reviews
Positive81.8%
Neutral0.0%
Negative18.2%

AppSaver

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

In-app purchases

16 purchases

CalcVerter

Subscriptions3
  • 1 Month Premium$0.991 Month
  • 6 Months Premium$3.996 Months
  • 1 Year Premium$6.991 Year
One-time13
  • Premium (Previous Purchasers)Free
  • Small Tip$0.99
  • Elements Pack$1.99
Show 10 more
  • Generators Pack$1.99
  • Date & Time Pack$1.99
  • Developer Pack$1.99
  • Statistics Pack$1.99
  • Theme Pack$1.99
  • Converter Pack$2.99
  • Calculator Pack$2.99
  • Formulas Pack$2.99
  • Enormous Tip$6.99
  • Lifetime Premium$14.99
1 purchases

AppSaver

One-time1
  • PRO$1.99

Questions

Is CalcVerter free?
CalcVerter is free to download, with in-app purchases available.
Is AppSaver free?
AppSaver is free to download, with in-app purchases available.
Which has better reviews, CalcVerter or AppSaver?
AppSaver is rated higher. CalcVerter averages 4.5 out of 5 from 13 ratings, while AppSaver averages 5.0 from 1 ratings.
Do CalcVerter or AppSaver have ads?
Neither CalcVerter nor AppSaver shows ads.
Which is updated more often, CalcVerter or AppSaver?
CalcVerter ships an update monthly, and AppSaver daily. Most recently, CalcVerter was updated on October 24, 2026 and AppSaver on October 10, 2026.

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