# e vs Book Field

The clearest difference is update cadence: e at every 4 days against Book Field's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

e ships an update every 4 days, Book Field every 3 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | e | Book Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (56 ratings)](https://appshunter.io/ios/app/e-klase/id906083065/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 12.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | Free | — |
| Size | 92 MB | 16 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Izglitibas Sistemas](https://appshunter.io/developer/906083068) | [Finite Field, K.K.](https://appshunter.io/developer/1742912607) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-klase/id906083065)

This app provides a comprehensive school management system for students, teachers, and parents. It offers quick access to homework, grades, attendance, messages, and behavior records. Users can also easily communicate with school staff and other users through an integrated messaging system.

**Highlights:** View homework assignments, Check grades and attendance, Receive school messages and announcements, Communicate via in-app messaging, Report student absences

**Features:** Vision Pro support

**In-app purchases:** none


### Book Field

[App page](https://appshunter.io/ios/app/book-field/id6784917551)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is e free?

e is free to download, with no in-app purchases.

### Is Book Field free?

Book Field is free to download, with no in-app purchases.

### Do e or Book Field have ads?

Neither e nor Book Field shows ads.

### Which is updated more often, e or Book Field?

e ships an update every 4 days, and Book Field every 3 months. Most recently, e was updated on October 24, 2026 and Book Field on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*