# Conversion Calculator vs Tiny Tally Spin

The clearest difference is price: Conversion Calculator at Free against Tiny Tally Spin's $0.99. Tiny Tally Spin's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

Conversion Calculator is free to download; Tiny Tally Spin costs $0.99 up front. Conversion Calculator sells 1 one-off in-app purchase. Tiny Tally Spin asks for nothing beyond the download.

## The numbers

| Metric | Conversion Calculator | Tiny Tally Spin |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (157 ratings)](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523/reviews)** | — |
| Number of ratings | **157** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 1 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Collins Cheruiyot](https://appshunter.io/developer/1579009978) | [RHYS OLIVER J SADLER](https://appshunter.io/developer/1847025275) |

## What reviewers say

### Conversion Calculator

[App page](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523)

Easily convert between metric and imperial units for weight, length, temperature, area, and time. This app offers precise, fast results with a clean interface, working offline for daily, travel, school, or work needs.

**Highlights:** Metric and imperial unit conversion, Weight, length, temperature, area, time, Offline functionality, Precise and fast results, Clean and minimal interface, Over 100 measurement types

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access forever | $8.99 | one-time |


### Tiny Tally Spin

[App page](https://appshunter.io/ios/app/tiny-tally-spin/id6755500613)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Conversion Calculator free?

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

### Is Tiny Tally Spin free?

Tiny Tally Spin costs $0.99, with no in-app purchases.

### Do Conversion Calculator or Tiny Tally Spin have ads?

Neither Conversion Calculator nor Tiny Tally Spin shows ads.

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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.*