# Filter Calculator vs Math & Statistics Helper

The clearest difference is monetization model: Filter Calculator at free with in-app purchases against Math & Statistics Helper's subscription. Filter Calculator also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.6). Math & Statistics Helper's advantage is ads (none vs shown) and update cadence (weekly vs every 5 months). On price and in-app purchases there is nothing between them.

Both are free to download. Filter Calculator sells 1 one-off in-app purchase and Math & Statistics Helper sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Filter Calculator ships an update every 5 months, Math & Statistics Helper weekly. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Filter Calculator | Math & Statistics Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-and-statistics-helper/id6754611916/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 53 MB | 19 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [Patrick van der Ploeg](https://appshunter.io/developer/1789764470) |

## What reviewers say

### Filter Calculator

[App page](https://appshunter.io/ios/app/filter-calculator-electronics/id6754560517)

Design various types of electronic filters, including RC, RL, RLC, and passive crossovers, with customizable orders and alignments. Instantly obtain component values and Bode insights for lab, classroom, or audio projects. Ideal for engineers, hobbyists, and students.

**Highlights:** Design RC, RL, and RLC filters (2nd-7th order), Butterworth & Chebyshev alignments, Passive crossover calculations, Twin-T notch filter design, Instant component values, Bode insights, Offline-friendly dark mode UI

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $2.99 | one-time |


### Math & Statistics Helper

[App page](https://appshunter.io/ios/app/math-and-statistics-helper/id6754611916)

Master math and statistics with AI-powered explanations, instant problem solving, and interactive quizzes. This app offers a clean interface to learn formulas, track progress, and prepare for exams.

**Highlights:** AI Study Tutor with step-by-step explanations, Instant problem solver via scan or typing, Comprehensive formula library with examples, Interactive flashcards for concept review, Personalized quizzes with instant results, Progress tracking and visual feedback, Clean, distraction-free interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Statistics Helper Weekly | $4.99 | per 7 days |
| Statistics Helper Annual | $24.99 | per year |


## Frequently asked questions

### Is Filter Calculator free?

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

### Is Math & Statistics Helper free?

Math & Statistics Helper is free to download, with in-app purchases available.

### Do Filter Calculator or Math & Statistics Helper have ads?

Filter Calculator shows ads; Math & Statistics Helper does not.

### Which is updated more often, Filter Calculator or Math & Statistics Helper?

Filter Calculator ships an update every 5 months, and Math & Statistics Helper weekly. Most recently, Filter Calculator was updated on October 13, 2026 and Math & Statistics Helper on October 3, 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.*