Graphs and Slopes vs Book Builder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Graphs and Slopes
Read full descriptionHide 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.
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.
- 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
Read full descriptionHide 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
Verdict
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
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.
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.
| Parameter | Graphs and Slopes | Book 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 frequency | Every 11 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 173 MB |
| Age rating | 4+ | 4+ |
| Developer | Gomathy Shankaran | Polished Play, LLC |
In-app purchases
Graphs and Slopes
No in-app purchases
Book Builder
No in-app purchases
Questions
Is Graphs and Slopes free?
Is Book Builder free?
Do Graphs and Slopes or Book Builder have ads?
Which is updated more often, Graphs and Slopes or Book Builder?
Other comparisons















