# e vs AvMark

The clearest difference is review sentiment: AvMark at 57% against e's 0%. AvMark also leads on rating (5.0 vs 3.3) and in-app purchases (none vs 24). e's advantage is update cadence (every 3 months vs every 7 months) and iOS requirement (11.4 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. e sells 13 one-off in-app purchases. AvMark asks for nothing beyond the download.

AvMark holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 7 and 13 respectively. Written reviews point the same way: 0% of e's written reviews are positive against 57% of AvMark's.

e ships an update every 3 months, AvMark every 7 months. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | e | AvMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/e-aversev/id1466057988/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/avmark/id1599728543/reviews)** |
| Number of ratings | 7 | **13** |
| Positive reviews | 0.0% of reviews | **57.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 63 MB | 37 MB |
| Requires iOS | **11.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AVERSEV, ODO](https://appshunter.io/developer/1466057987) | [Olga Vasilkova](https://appshunter.io/developer/1530852200) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-aversev/id1466057988)

Access textbooks, methodological, and educational materials on your smartphone or tablet. Ideal for students to reinforce learning, for applicants to review material, and for parents and teachers to support education remotely. Enjoy offline access and synchronized libraries across devices.

**Highlights:** Digital textbook access, Offline library functionality, User profile with multi-device support, Search and filter for materials, Synchronized 'My Books' section, Resume reading progress

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Покупка книги | $0.49 | one-time |
| Покупка книги | $0.99 | one-time |
| Покупка книги | $1.99 | one-time |
| Покупка книги | $2.95 | one-time |
| Покупка книги | $2.99 | one-time |
| Покупка книги | $3.99 | one-time |
| Покупка книги | $4.99 | one-time |
| Покупка книги | $7.99 | one-time |
| Покупка книги | $9.99 | one-time |
| Покупка книги | $11.99 | one-time |
| Покупка книги | $12.99 | one-time |
| Покупка книги | $14.99 | one-time |
| Покупка книги | $17.99 | one-time |


### AvMark

[App page](https://appshunter.io/ios/app/avmark/id1599728543)

Easily calculate your average grade and determine how many more grades you need to achieve your academic goals. This app simplifies grade calculation, making it more convenient than using a standard calculator.

**Highlights:** Calculate average grade, Track progress towards goals, Input grades easily, Convenient grade management

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

**In-app purchases:** none


## Frequently asked questions

### Is e free?

e is free to download, with in-app purchases available.

### Is AvMark free?

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

### Which has better reviews, e or AvMark?

AvMark is rated higher. e averages 3.3 out of 5 from 7 ratings, while AvMark averages 5.0 from 13 ratings.

### Do e or AvMark have ads?

Neither e nor AvMark shows ads.

### Which is updated more often, e or AvMark?

e ships an update every 3 months, and AvMark every 7 months. Most recently, e was updated on October 1, 2026 and AvMark on October 8, 2026.

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