# Math Formulas vs Pacy Skill Development

The clearest difference is price: Pacy Skill Development at Free against Math Formulas's $0.99. Pacy Skill Development also leads on update cadence (fortnightly vs monthly) and iOS requirement (15 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Pacy Skill Development is free to download; Math Formulas costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Formulas ships an update monthly, Pacy Skill Development fortnightly. The most recent releases landed on September 19, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Math Formulas | Pacy Skill Development |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.1 (11 ratings)](https://appshunter.io/ios/app/math-formulas-ref-guide/id423545644/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 67.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 18 MB | 60 MB |
| Requires iOS | 17.6 | **15** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oddrobo Software AB](https://appshunter.io/developer/423545647) | [Pacy AB](https://appshunter.io/developer/1767581278) |

## What reviewers say

### Math Formulas

[App page](https://appshunter.io/ios/app/math-formulas-ref-guide/id423545644)

Access over 100 high school level math formulas covering algebra, geometry, calculus, trigonometry, probability, and statistics. Includes examples for clarity and a search function to quickly find needed information. Ideal for students, teachers, and math enthusiasts.

**Highlights:** 100+ math formulas, Algebra, geometry, calculus, trig, Probability and statistics, Formulas with examples, Powerful search function, Favorite formulas

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

**In-app purchases:** none


### Pacy Skill Development

[App page](https://appshunter.io/ios/app/pacy-skill-development/id6670788359)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Formulas free?

Math Formulas costs $0.99, with no in-app purchases.

### Is Pacy Skill Development free?

Pacy Skill Development is free to download, with no in-app purchases.

### Do Math Formulas or Pacy Skill Development have ads?

Neither Math Formulas nor Pacy Skill Development shows ads.

### Which is updated more often, Math Formulas or Pacy Skill Development?

Math Formulas ships an update monthly, and Pacy Skill Development fortnightly. Most recently, Math Formulas was updated on September 19, 2026 and Pacy Skill Development on September 15, 2026.

---

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