Comparison

Sai Gon Xanh vs Multima

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

Head to head
About

Sai Gon Xanh

Participate in environmental protection activities like cleaning and recycling to earn points. Exchange these points for gifts and connect with others in a green community. Make protecting the planet simple and rewarding.

Highlights
  • Environmental protection activities
  • Recycling and waste exchange
  • Point accumulation system
  • Gift redemption
  • Community networking
  • Easy registration
Features
Read full description

Protecting the environment has never been easier! SaiGonXanh will guide you to participate in environmental protection activities: cleaning, buying recycled items, exchanging recyclable waste, accumulating points, exchanging gifts,... With just one registration button, you have joined hands to help us protect the environment around you to become greener! By participating in environmental protection activities, you have earned points, exchanged points for gifts and have make many new friends through the Saigon Green community

About

Multima

Features
Read full description

Multima is a comprehensive collection of technical, educational, and productivity tools combined into one unified application. It provides a structured and consistent environment for conversions, scientific formulas, random generators, image & art effects (Tizima), mnemonic memory training (PinMEMO), access to more than 6,000 curated quotations (Some Quotes), and detailed specifications for over 50,000 cars (Apex One), available across iPhone, iPad, and macOS. Multima is organized into several core modules, each designed for professional accuracy and ease of use. Games Module • Snake (Classic) • Pigeon Flux (Arcade) • Sabilander (Precision Landing) Tizima • Transform images into stylized art • Explore color, blur, pixel, edge, distortion, frame, and creative filters • Create custom patterns, mosaics, and tiles • Preview, apply, save, share, or export video art Unit Converter • Converts essential scientific and technical units • Covers common domains such as length, mass, volume, temperature, speed, energy, and more • Two-way conversion Formula Converter • Provides a set of practical formulas from physics, chemistry, mathematics, and engineering • Ensures clear inputs and consistent, validated results Scientific Calculator • Solve physics, chemistry, math, and engineering formulas • Enter known values and get precise, validated results instantly Random Hub • Generates random values across several focused categories • Includes number ranges, decision tools, lottery formats, games, developer utilities, and miscellaneous generators PinMEMO (Mnemonic System) • Implements the phonetic number mnemonic method • Offers number–word associations and fast lookup for memory training Some Quotes • Provides access to more than 6,000 curated quotations Apex One • Delivers technical data for more than 50,000 cars • Includes key specifications such as dimensions, engines, and performance figures Location Insights • Shows Earth and geographic facts based on your current position • Explore altitude, hemispheres, distances to equator and poles, Earth rotation speed, and more Global Distances • Shows distances from your current location to major cities around the world • Explore how far you are from global capitals and key locations Sun & Daylight • Shows daylight and sun information for your current location • Explore sunrise, sunset, day length, sun elevation, and polar day or night Moon • Shows Moon information for your current location • Explore moon phase, illumination, rise and set times, direction, distance, and sky position Local Time Physics • Shows how Earth’s rotation affects time at your location • Explore solar time differences, rotation angles, and movement caused by Earth’s spin Celestial Distances • Displays approximate distances from Earth to the Sun, Moon, and planets • Explore how planetary distances change over time based on orbital mechanics Planet to Planet Distances • Shows distances between the Sun and all planets, and between every planet pair • Explore the vast scale of our solar system with dynamic, time-based calculations Time Zones • Displays current time across global time zones • Designed for quick reference and clear comparison Currencies • Displays world currencies and their basic details • Covers major and regional currencies worldwide • Designed for quick lookup and easy understanding Locale Reference • Displays detailed locale and regional information • Designed for quick reference and accurate localization insights Interactive scientific visualizations in real time • Solar System motion with accurate orbital mechanics • Earth–Moon system with lunar motion and geometry • Orbital launch and trajectory dynamics simulations • Adjustable time scale and parameters for exploration • And more analytical visualizations over time Batch Results and Export • Many modules support generating multiple results at once • Results can be exported as plain text or PDF for further use And more...

Screenshots

Sai Gon Xanh3 screens
Multima4 screens

Verdict

The call

The clearest difference is in-app purchases: Sai Gon Xanh at none against Multima's 1. Sai Gon Xanh also leads on iOS requirement (14.3 vs 18.6). On price, update cadence, ads and device support 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. Multima sells 1 one-off in-app purchase. Sai Gon Xanh asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
Sai Gon Xanh versus Multima: the parameters behind the verdict, then further details
ParameterSai Gon XanhMultima
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews92.9% of reviews—
Number of ratings3 — better—
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS14.3 — better18.6
Further details — not scored
Size80 MB55 MB
Age rating17+4+
DeveloperThanh NguyenMarko Sabotin

In-app purchases

None

Sai Gon Xanh

No in-app purchases

1 purchases

Multima

One-time1
  • Multima Full Unlock$2.99

Questions

Is Sai Gon Xanh free?
Sai Gon Xanh is free to download, with no in-app purchases.
Is Multima free?
Multima is free to download, with in-app purchases available.
Do Sai Gon Xanh or Multima have ads?
Neither Sai Gon Xanh nor Multima shows ads.
Which is updated more often, Sai Gon Xanh or Multima?
Sai Gon Xanh ships an update fortnightly, and Multima fortnightly. Most recently, Sai Gon Xanh was updated on October 21, 2026 and Multima on October 13, 2026.

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