Comparison

Graphs and Slopes vs Book Builder

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

Head to head
About

Graphs and Slopes

Features
Read full description

"Graphs and Slopes" explains the concept of linear equations in Math. This app also explains the non linear equation in a nutshell. This app categorizes the graph concept into bite size information. The core points like y-intercepts, slopes and graph plotting are explained with examples. Review questions at the end of the category, asks questions pertaining to these concepts and even has the option to provide hints and answers to reinforce your understanding. Touch the images to zoom-in and out.

About

Book Builder

Empower children to become authors by creating their own digital books. This app provides characters, backgrounds, and text tools to help kids craft unique stories. Finished books can be read digitally or printed at home, fostering creativity and learning.

Highlights
  • Create custom storybooks
  • Add text with easy-to-use options
  • Use provided characters and backgrounds
  • Incorporate personal photos
  • Read books digitally
  • Print books at home
Features
Read full description

Become an author! Puppet Pals Book Builder empowers a child to create beautiful creative content. Characters and backgrounds are provided. Even add your own photos! Get started by adding text with many easy-to-use options. When you're done creating, read your book or print it out at home! Encourage life long learning and creativity!

Screenshots

Graphs and Slopes4 screens
Book Builder4 screens

Verdict

The call

The clearest difference is update cadence: Book Builder at every 5 weeks against Graphs and Slopes's every 11 months. Graphs and Slopes's advantage is price ($2.99 vs $7.99) and iOS requirement (14.0 vs 17.0). On ads, in-app purchases 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

Graphs and Slopes costs $2.99 and Book Builder $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Graphs and Slopes ships an update every 11 months, Book Builder every 5 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Graphs and Slopes versus Book Builder: the parameters behind the verdict, then further details
ParameterGraphs and SlopesBook Builder
Price$2.99 — better$7.99
Rating—4.8 (13 ratings) — better
Positive reviews—87.5% of reviews
Number of ratings—13 — better
Update frequencyEvery 11 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size3 MB173 MB
Age rating4+4+
DeveloperGomathy ShankaranPolished Play, LLC

In-app purchases

None

Graphs and Slopes

No in-app purchases

None

Book Builder

No in-app purchases

Questions

Is Graphs and Slopes free?
Graphs and Slopes costs $2.99, with no in-app purchases.
Is Book Builder free?
Book Builder costs $7.99, with no in-app purchases.
Do Graphs and Slopes or Book Builder have ads?
Neither Graphs and Slopes nor Book Builder shows ads.
Which is updated more often, Graphs and Slopes or Book Builder?
Graphs and Slopes ships an update every 11 months, and Book Builder every 5 weeks. Most recently, Graphs and Slopes was updated on October 27, 2026 and Book Builder on October 24, 2026.

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