Book Builder vs Logarithm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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!
Logarithm
Read full descriptionHide full description
"Logarithm-Exponent-Polynomial" is an educational and a reference app which describes important concepts in Algebra. As the name suggests, the app has explanation on Math Algebra - Logarithms, Exponents, Quadratics, Polynomials along with Radicals and Complex Numbers. The app also has problems with detailed explanation of hints for solving. The audio explains the concepts that enables the user to pause, or continue to listen.
Screenshots
Verdict
The clearest difference is price: Logarithm at $3.99 against Book Builder's $7.99. On ads, in-app purchases, device support and iOS requirement 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
Book Builder costs $7.99 and Logarithm $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Book Builder | Logarithm |
|---|---|---|
| Price | $7.99 | $3.99 — better |
| Rating | 4.8 (13 ratings) — better | — |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 173 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Polished Play, LLC | Gomathy Shankaran |
In-app purchases
Book Builder
No in-app purchases
Logarithm
No in-app purchases
Questions
Is Book Builder free?
Is Logarithm free?
Do Book Builder or Logarithm have ads?
Other comparisons















