# Symplara vs Binomial Calculator

The clearest difference is in-app purchases: Binomial Calculator at none against Symplara's 3. Binomial Calculator also leads on iOS requirement (18.5 vs 26.0). Symplara's advantage is ads (none vs shown) and update cadence (monthly vs every 10 months). On price and device support there is nothing between them.

Both are free to download. Symplara sells 3 in-app purchases, starting at $4.99 per month. Binomial Calculator asks for nothing beyond the download.

Symplara ships an update monthly, Binomial Calculator every 10 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Symplara | Binomial Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 10 months |
| Size | 18 MB | 5 MB |
| Requires iOS | 26.0 | **18.5** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Attune Labs Ltd.](https://appshunter.io/developer/1848698006) | [Kevin Tang](https://appshunter.io/developer/1780758221) |

## What reviewers say

### Symplara

[App page](https://appshunter.io/ios/app/symplara-adhd-focus-and-tasks/id6754533445)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $14.99 | per year |
| Lifetime Premium | $29.99 | one-time |


### Binomial Calculator

[App page](https://appshunter.io/ios/app/binomial-calculator/id6756537681)

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

**In-app purchases:** none


## Frequently asked questions

### Is Symplara free?

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

### Is Binomial Calculator free?

Binomial Calculator is free to download, with no in-app purchases.

### Do Symplara or Binomial Calculator have ads?

Binomial Calculator shows ads; Symplara does not.

### Which is updated more often, Symplara or Binomial Calculator?

Symplara ships an update monthly, and Binomial Calculator every 10 months. Most recently, Symplara was updated on October 5, 2026 and Binomial Calculator on October 24, 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.*