# Calculator T vs Arbitro

The clearest difference is in-app purchases: Calculator T at none against Arbitro's 1. Calculator T also leads on iOS requirement (11.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Arbitro sells 1 one-off in-app purchase. Calculator T asks for nothing beyond the download.

## The numbers

| Metric | Calculator T | Arbitro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Free | — |
| Size | 16 MB | 32 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xiao Hou Yi Sheng Traditional Chinese Medicine Technology (Shenzhen) Co., Ltd](https://appshunter.io/developer/1524258136) | [Yodeski Rodriguez Alvarez](https://appshunter.io/developer/1778724612) |

## What reviewers say

### Calculator T

[App page](https://appshunter.io/ios/app/calculator-t/id6473983653)

This app offers advanced scientific calculation and unit conversion capabilities. It features a history tape, memory functions, and supports complex mathematical operations. It also includes currency exchange rates and a wide range of measurement conversions.

**Highlights:** Standard and scientific function modes, Extensive unit conversion (over 300 units), History tape for last 100 records, Memory buttons (MS, M+, M-, MR, MC), Copy/paste functionality for equations and results, Support for large number calculations and scientific notation, Currency exchange rate conversion

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

**In-app purchases:** none


### Arbitro

[App page](https://appshunter.io/ios/app/arbitro-bet-optimizer/id6788159951)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arbitro Pro | $1.99 | one-time |


## Frequently asked questions

### Is Calculator T free?

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

### Is Arbitro free?

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

### Do Calculator T or Arbitro have ads?

Neither Calculator T nor Arbitro shows ads.

---

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