Comparison

Our Solar System vs bbitbbitbook

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

Head to head
About

Our Solar System

Explore planets and probes in augmented reality, virtual reality, and hologram modes. This app provides detailed information about celestial bodies within our solar system.

Highlights
  • Augmented reality planet and probe exploration
  • Virtual reality solar system view
  • Hologram mode for celestial body information
  • Detailed planet and probe data
  • Interactive educational content
Features
Read full description

○ Our Solar System - After downloading and running the application, our solar system confirms the features, size, structure, etc. of planets and probes as augmented reality content. - After downloading the application, run the virtual reality (VR) menu after execution, check the cardboard and VR device and planetary information of the solar system. - Download the application, run the Hologram (HG) command, and then check the planet information through the run Hall Hologram (HG).

About

bbitbbitbook

This app helps you track your reading habits by allowing you to log books, add notes with photos, and view reading statistics. Earn rewards and collect characters as you build your personal digital library.

Highlights
  • Book logging and search
  • Add notes with photos and OCR
  • Reading schedule and reminders
  • Digital reading journal with rewards
  • Reading statistics and graphs
  • Collectible characters
Features
Read full description

# Ppippi Book — A place to keep track of your reading, build reading habits, and manage your books all in one place Do you want to buy a book, but can’t remember the one you’ve already read? Notes get scattered all over the place, and there are many times when I even forget how many books I’ve read this year. Bbitbbitbook is a reading log app that helps you organize the books you’ve read, are currently reading, and have finished, while also letting you manage your reading notes, statistics, and even a reading calendar all in one place. This is a free reading app recommended for those who want to build a reading habit, decorate their own personal library, or keep a record of their completed reading. @ Why is it a beeper book? • Book search optimized for Korean — search by title, author, or ISBN using the APIs of Kakao, Naver, Aladin, and the National Library of Korea • Quickly register books by scanning barcodes • Organize the bookshelf before reading, while reading, and after finishing the book • Save text and photos together in reading notes — your own reading journal and reading diary • Measure and record the time spent reading today using a reading timer (stopwatch style) • View at a glance which books you read and how many you read on each date in the reading calendar • Analysis of reading statistics by year and month, including completed reading, star ratings, genre, and average reading period • Reading Savings Account — The fun of stacking up books you’ve finished reading like a savings account • Designed to encourage consistent return through attendance checks, Carrot rewards, and consecutive attendance badges • Reading goals — set the number of books to read this year and this month, and check the progress • Share your reading history with a single link using a public profile • Keep your records intact even if you switch devices with Google or Apple sign-in and cloud sync I recommend it for people like this • Those who want to keep their reading records systematically • Those who set reading goals through the complete reading challenge • Those who want to gather their reading notes and memos in one place • Those who need a list of books read, book reviews, and impressions • Those who want to develop a reading habit and a habit of reading books • Those who want to record in Booklog or Readinglog style • Students, working professionals, and parents — anyone can get started for free • Those who want to share books they have read in book clubs or reading groups • Those who need a list of “books read this year” for the year-end

Screenshots

Our Solar System4 screens
bbitbbitbook4 screens

Verdict

The call

The clearest difference is review sentiment: bbitbbitbook at 79% against Our Solar System's 0%. bbitbbitbook also leads on update cadence (every 10 days vs every 6 weeks). Our Solar System's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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. bbitbbitbook sells 1 one-off in-app purchase. Our Solar System asks for nothing beyond the download.

UpkeepUpdate frequency

Our Solar System ships an update every 6 weeks, bbitbbitbook every 10 days. Both last shipped on September 26, 2026.

Scorecard6 real differences · 4 level
Our Solar System versus bbitbbitbook: the parameters behind the verdict, then further details
ParameterOur Solar Systembbitbbitbook
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews0.0% of reviews78.9% of reviews — better
Number of ratings4 — better—
Update frequencyEvery 6 weeksEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better17.6
Further details — not scored
Size770 MB102 MB
Age rating4+4+
DeveloperAlzzam Education Corp.SunHyeob Kim

Customer experience

Our Solar System

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

bbitbbitbook

Written reviews19 reviews
Positive78.9%
Neutral10.5%
Negative10.5%

In-app purchases

None

Our Solar System

No in-app purchases

1 purchases

bbitbbitbook

One-time1
  • 광고 제거$1.99

Questions

Is Our Solar System free?
Our Solar System is free to download, with no in-app purchases.
Is bbitbbitbook free?
bbitbbitbook is free to download, with in-app purchases available.
Do Our Solar System or bbitbbitbook have ads?
bbitbbitbook shows ads; Our Solar System does not.
Which is updated more often, Our Solar System or bbitbbitbook?
Our Solar System ships an update every 6 weeks, and bbitbbitbook every 10 days. Most recently, Our Solar System was updated on September 26, 2026 and bbitbbitbook on September 26, 2026.

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