Comparison

Fraction vs Star Map Tracker

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

Head to head
About

Fraction

This app helps users master fractions by practicing evaluation, estimation, and conversion to decimals and percentages. It offers a visual meter to understand fractional portions and allows customization of denominators and decimal rounding.

Highlights
  • Evaluate and estimate fractions
  • Convert fractions to decimals/percentages
  • Factor fractions to lowest terms
  • Visualize fractions with a meter
  • Customizable denominators (4-99)
  • Adjustable decimal rounding
Features
Read full description

Fraction-O-Meter allows users to build their skills in: Evaluating and estimating fractions Expressing fractions as decimals and percentages Factoring to reduce fractions to their lowest terms Visualizing fractions as a portion using the meter Users can choose to work with fractions which have denominators from four to 99, and can select to have the decimals rounded to two, three or four digits. A "close enough" allowance lets a user see if the result is off by only small amounts, ranging from 0.0001 to 0.05.

About

Star Map Tracker

Explore the night sky with this augmented reality stargazing app. Identify stars, constellations, planets, and galaxies in real-time. It provides detailed information and helps you locate celestial objects.

Highlights
  • Augmented reality celestial body view
  • Identification of over 3,000 stars
  • Depiction of 88 constellations
  • Real-time celestial object tracking
  • Solar system object identification
  • Compass calibration
Features
Read full description

Star Map Tracker is an impressive stargazing augmented reality app boasting a database of over 3,000 stars and constellations. This app not only provides guidance through the vast majority of known stars but also furnishes essential information such as right ascension, declination, azimuth, elevation, and more. Whether you aim to align your telescope or simply desire to point your device at the sky for star, constellation, nebula, galaxy, and solar system object identification, this app caters to your needs, functioning as a proficient star finder and augmented reality map of celestial bodies, offering real-time information about them. Immerse yourself in a captivating night stars safari by finding an open space, taking a stroll, and lifting your device to behold the mesmerizing night sky view. The Star Map app serves as an exceptional tracker for all celestial objects, essentially placing a sky object seeker right in your pocket. Key Features: - Augmented reality view of celestial bodies - 88 constellations depicted with their shapes - Over 3,000 actual stars accompanied by detailed descriptions - Ability to search by star/constellation name, HD, HR, HIP - Real-time position of stars/constellations in the sky - Inclusion of the entire solar system (consisting of 9 planets, Sun, and Moon) - Realistic lighting, shadows, and planet textures - Milky Way galaxy background enriched with precise spatial positioning - Compass calibration facilitated using the moon, sun, or cardinal points In-App Purchase: - Enhanced access to names and information of over 3,000 stars (by default, only star information for zodiac constellations is available) - Expanded access to 74 constellations (only 14 are available by default: 12 Zodiac constellations, Ursa Minor, and Ursa Major) - Detailed inclusions of the solar system (encompassing 9 planets; Moon and Sun are available by default)

Screenshots

Fraction4 screens
Star Map Tracker4 screens

Verdict

The call

The clearest difference is price: Star Map Tracker at Free against Fraction's $0.99. Star Map Tracker also leads on rating (5.0 vs 1.0) and update cadence (every 5 months vs every 17 months). Fraction's advantage is in-app purchases (none vs 3). On review sentiment, ratings volume, 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

Star Map Tracker is free to download; Fraction costs $0.99 up front. Star Map Tracker sells 3 one-off in-app purchases. Fraction asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Star Map Tracker holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 33% of Fraction's written reviews are positive against 29% of Star Map Tracker's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Fraction ships an update every 17 months, Star Map Tracker every 5 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard5 real differences · 5 level
Fraction versus Star Map Tracker: the parameters behind the verdict, then further details
ParameterFractionStar Map Tracker
Price$0.99Free — better
Rating1.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews33.3% of reviews — better28.6% of reviews
Number of ratings2 — better1
Update frequencyEvery 17 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size2 MB107 MB
Age rating4+4+
DeveloperCatherine VittiYuriy Kvasha

Customer experience

Fraction

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Star Map Tracker

Written reviews91 reviews
Positive28.6%
Neutral14.3%
Negative57.1%

Bugs and requests

Fraction

Not enough reviews yet to summarise bugs or requests.

Star Map Tracker

Reported bugs

11 issues
  • Map is disoriented
  • Stars and planets do not track movement
  • Calibration does not stick
  • App freezes
  • App always points north
Show 6 more
  • Compass is off by degrees
  • Stars constantly shifting
  • App shows incorrect directions
  • GPS is way off
  • App doesn't work on iPhone X
  • AR is useless as camera can't see stars

Requested features

7 requests
  • Add search functionality for stars
  • Include planets in the free version
  • Improve compass synchronization
  • Add language options
  • Show horizon line
Show 2 more
  • Display star sizes/visibility
  • Provide more detailed information on planets

In-app purchases

None

Fraction

No in-app purchases

3 purchases

Star Map Tracker

One-time3
  • Stars & Constellations$1.99
  • Planets$1.99
  • Premium$2.99

Questions

Is Fraction free?
Fraction costs $0.99, with no in-app purchases.
Is Star Map Tracker free?
Star Map Tracker is free to download, with in-app purchases available.
Which has better reviews, Fraction or Star Map Tracker?
Star Map Tracker is rated higher. Fraction averages 1.0 out of 5 from 2 ratings, while Star Map Tracker averages 5.0 from 1 ratings.
Do Fraction or Star Map Tracker have ads?
Neither Fraction nor Star Map Tracker shows ads.
Which is updated more often, Fraction or Star Map Tracker?
Fraction ships an update every 17 months, and Star Map Tracker every 5 months. Most recently, Fraction was updated on November 1, 2026 and Star Map Tracker on November 2, 2026.

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