Comparison

Amount Plus vs Memex

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

Head to head
About

Amount Plus

This app offers an enhanced unit conversion experience with a beautiful interface and extensive customization. It provides over 700 units across 30 categories, advanced search and filtering, and shortcuts for quick conversions. It also supports widgets and Apple Watch for convenient access.

Highlights
  • Over 700 units in 30+ categories
  • Advanced search, filter, and compare
  • Customizable shortcuts for fast conversions
  • User-definable custom units
  • Today widget and Apple Watch support
  • Gorgeous, user-friendly interface
Features
Read full description

Amount Plus is an enhanced version of the multi award winning unit conversion app Amount. Amount Plus improves every aspect of the predecessor by adding more advanced features to increase your productivity without sacrificing its famous simplicity. With a new gorgeous user interface and unrivaled customization features Amount Plus gives you the ability to convert everything you need just the way you like! FEATURES • Converts units faster than before; • Has over 700 units across more than 30 categories; • Offers new ways to search, filter, convert and compare units; • Allows the creation of shortcuts for incredibly fast conversions; • Completely customizable at user needs; • Custom units can be easily added for each category; • Supports Today widget extension to quickly access your favorite conversions; • Supports Apple Watch to convert units directly on your wrist; Categories Amount Plus can handle: Acceleration, Angles, Area, Astronomical, Clothing (men and women), Cooking, Currency, Data, Density, Electric current, Energy, Flow (mass and volume), Force, Frequency, Fuel Consumption, Illuminance, Length and Distance, Luminance, Metric System, Network speed, Power, Pressure, Radiation, Sound, Speed, Temperature, Textile Yarn, Time, Torque, Transportation Cost, Typography, Viscosity (dynamic and kinematic), Volume, Weight and Mass. ADDITIONAL INFO To convert currencies is required an internet connection. Currency and clothing size information are provided only for informational purposes. If you're going to download Amount Plus please rate and leave a comment! And if you have a suggestion don't hesitate to contact me. With your help I can improve Amount Plus even more!

About

Memex

Features
Read full description

Memex is a memo app where the thoughts you capture reveal who you are. Jot down a passing thought, save a screenshot — Memex reads the text, summarizes what matters, and sorts each memory into rooms on your shelf. Over time, your notes resurface on their own, and a picture of who you are quietly takes shape. - Capture thoughts and screenshots in one tap - Automatic text recognition and summaries - Memories organized into rooms, like books on a shelf - Rediscover past notes when they matter most - Search across titles, summaries, and keywords

Screenshots

Amount Plus4 screens
Memex4 screens

Verdict

The call

The clearest difference is price: Memex at Free against Amount Plus's $0.90. Memex also leads on update cadence (every 6 days vs monthly). Amount Plus's advantage is device support (4 vs 1) and iOS requirement (9.0 vs 16.4). On ads and in-app purchases 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

Memex is free to download; Amount Plus costs $0.90 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Amount Plus ships an update monthly, Memex every 6 days. Both last shipped on November 13, 2026.

Scorecard4 real differences · 6 level
Amount Plus versus Memex: the parameters behind the verdict, then further details
ParameterAmount PlusMemex
Price$0.90Free — better
Rating4.3 (96 ratings) — better—
Positive reviews61.2% of reviews—
Number of ratings96 — better—
Update frequencyMonthlyEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS9.0 — better16.4
Further details — not scored
Size7 MB54 MB
Age rating4+4+
DeveloperMarco TorrettaDASEUL KIM

In-app purchases

None

Amount Plus

No in-app purchases

None

Memex

No in-app purchases

Questions

Is Amount Plus free?
Amount Plus costs $0.90, with no in-app purchases.
Is Memex free?
Memex is free to download, with no in-app purchases.
Do Amount Plus or Memex have ads?
Neither Amount Plus nor Memex shows ads.
Which is updated more often, Amount Plus or Memex?
Amount Plus ships an update monthly, and Memex every 6 days. Most recently, Amount Plus was updated on November 13, 2026 and Memex on November 13, 2026.

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