# Maths Formulas vs Salsa Time

The clearest difference is price: Salsa Time at Free against Maths Formulas's $1.99. Salsa Time also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.1). Maths Formulas's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Salsa Time is free to download; Maths Formulas costs $1.99 up front. Salsa Time sells 1 one-off in-app purchase. Maths Formulas asks for nothing beyond the download.

Maths Formulas ships an update every 2 months, Salsa Time every 3 weeks. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Maths Formulas | Salsa Time |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/maths-formulas/id645412785/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 70.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 55 MB | 73 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NSC CO. PTY LTD](https://appshunter.io/developer/579522076) | [Solaria Rumiz](https://appshunter.io/developer/1848342705) |

## What reviewers say

### Maths Formulas

[App page](https://appshunter.io/ios/app/maths-formulas/id645412785)

Access a comprehensive collection of basic and advanced mathematical formulas across numerous subjects. This app includes tools for calculations, unit conversions, and the ability to save favorites. It supports a wide range of languages and is available on smartphones and tablets.

**Highlights:** Extensive formula library, Geometry and algebra tools, Unit conversion calculator, Favorite formulas folder, Multi-language support, Search functionality

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

**In-app purchases:** none


### Salsa Time

[App page](https://appshunter.io/ios/app/salsa-time/id6754454220)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Salsa time | $12.99 | one-time |


## Frequently asked questions

### Is Maths Formulas free?

Maths Formulas costs $1.99, with no in-app purchases.

### Is Salsa Time free?

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

### Do Maths Formulas or Salsa Time have ads?

Neither Maths Formulas nor Salsa Time shows ads.

### Which is updated more often, Maths Formulas or Salsa Time?

Maths Formulas ships an update every 2 months, and Salsa Time every 3 weeks. Most recently, Maths Formulas was updated on October 14, 2026 and Salsa Time on October 6, 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.*