# Beltmatic Calculator vs e

The clearest difference is in-app purchases: e at none against Beltmatic Calculator's 6. e also leads on ads (none vs shown) and update cadence (every 2 days vs every 8 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Beltmatic Calculator sells 6 one-off in-app purchases. e asks for nothing beyond the download.

Beltmatic Calculator ships an update every 8 days, e every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Beltmatic Calculator | e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (43 ratings)](https://appshunter.io/ios/app/beltmatic-calculator/id6748567066/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 13 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Chernyshev](https://appshunter.io/developer/1263001766) | [Gerege Systems LLC](https://appshunter.io/developer/1437211863) |

## What reviewers say

### Beltmatic Calculator

[App page](https://appshunter.io/ios/app/beltmatic-calculator/id6748567066)

This tool helps players find the fastest and most efficient ways to solve number puzzles by inputting a target number, available numbers, and allowed operations. It provides step-by-step solutions and is designed for strategic gameplay enhancement.

**Highlights:** Smart Solver for efficient paths, Customizable inputs and operations, Supports exponentiation, Step-by-step solution breakdown, Fast, lightweight interface, Offline functionality

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Treat me to an ice cream | $1.99 | one-time |
| Grab me a burger | $2.99 | one-time |
| Send me a slice of pizza | $3.99 | one-time |
| Help me buy a game asset | $4.99 | one-time |
| Steak night on you! | $9.99 | one-time |


### e

[App page](https://appshunter.io/ios/app/e-id-mongolia/id6773038939)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Beltmatic Calculator free?

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

### Is e free?

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

### Do Beltmatic Calculator or e have ads?

Beltmatic Calculator shows ads; e does not.

### Which is updated more often, Beltmatic Calculator or e?

Beltmatic Calculator ships an update every 8 days, and e every 2 days. Most recently, Beltmatic Calculator was updated on October 25, 2026 and e on October 24, 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.*