# iformula pro vs Formulas +, your 4 collections

The clearest difference is price: iformula pro at $2.99 against Formulas +, your 4 collections's $3.99. Formulas +, your 4 collections's advantage is iOS requirement (12.0 vs 17.6). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

iformula pro costs $2.99 and Formulas +, your 4 collections $3.99 up front. iformula pro sells 1 one-off in-app purchase and Formulas +, your 4 collections sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 months. Both last shipped on October 14, 2026.

## The numbers

| Metric | iformula pro | Formulas +, your 4 collections |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/iformula-pro/id327888781/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **45.5% of reviews** | 38.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Paid | Paid |
| Size | 88 MB | 27 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Tobias Werner](https://appshunter.io/developer/325337278) | [app-solutions.de](https://appshunter.io/developer/550462608) |

## What reviewers say

### iformula pro

[App page](https://appshunter.io/ios/app/iformula-pro/id327888781)

This comprehensive math learning platform offers over 4000 equations and functions across various advanced topics. It features a powerful search, a scientific calculator, note-taking, and bookmarking capabilities to aid academic study and professional reference.

**Highlights:** Over 4000 math equations, Full-featured equation search, New scientific calculator, Notes system, Bookmarking for favorite equations, Dual language support (English & German)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| draw function graph | $0.99 | one-time |


### Formulas +, your 4 collections

[App page](https://appshunter.io/ios/app/formulas-plus-your-4-collections/id550462605)

This app consolidates essential formulas for mathematics, physics, chemistry, and technical subjects into a single, easy-to-use application. It features an intelligent search function and provides clear explanations and graphics to aid understanding.

**Highlights:** Consolidated formulas for multiple subjects, Intelligent search function, Explanations and graphics, Calculation function (In-App Purchase), User suggestion feature

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basics Pack | $0.99 | one-time |
| Geometry/Stereometry Pack 1 | $0.99 | one-time |


## Frequently asked questions

### Is iformula pro free?

iformula pro costs $2.99, and also offers in-app purchases.

### Is Formulas +, your 4 collections free?

Formulas +, your 4 collections costs $3.99, and also offers in-app purchases.

### Do iformula pro or Formulas +, your 4 collections have ads?

Neither iformula pro nor Formulas +, your 4 collections shows ads.

### Which is updated more often, iformula pro or Formulas +, your 4 collections?

iformula pro ships an update every 4 months, and Formulas +, your 4 collections every 4 months. Most recently, iformula pro was updated on October 14, 2026 and Formulas +, your 4 collections on October 14, 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.*