# Byte Calculator vs Deom Mail

The clearest difference is iOS requirement: Byte Calculator at 9.0 against Deom Mail's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Byte Calculator ships an update every 6 weeks, Deom Mail every 3 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Byte Calculator | Deom Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/byte-calculator-byte-conv/id1458082211/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 16 MB | 38 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAS Company Limited.](https://appshunter.io/developer/1291818571) | [SLNEE.CO](https://appshunter.io/developer/1669434630) |

## What reviewers say

### Byte Calculator

[App page](https://appshunter.io/ios/app/byte-calculator-byte-conv/id1458082211)

This utility app performs byte conversions for disk space calculations, supporting units from Bytes to Terabytes. It also offers memory calculation, square root, and percentage functions, with customizable display and key settings. View calculation history and personalize the interface.

**Highlights:** Byte conversion (B, KB, MB, GB, TB), Memory calculation, Square root and percentage functions, Calculation history view, Customizable display and key layout, Adjustable decimal places and rounding

**Features:** macOS Compatibility

**In-app purchases:** none


### Deom Mail

[App page](https://appshunter.io/ios/app/deom-mail/id6499510996)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Byte Calculator free?

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

### Is Deom Mail free?

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

### Do Byte Calculator or Deom Mail have ads?

Neither Byte Calculator nor Deom Mail shows ads.

### Which is updated more often, Byte Calculator or Deom Mail?

Byte Calculator ships an update every 6 weeks, and Deom Mail every 3 months. Most recently, Byte Calculator was updated on November 2, 2026 and Deom Mail on October 27, 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.*