# BestPay App vs Confidence Interval Calc

The clearest difference is update cadence: Confidence Interval Calc at every 6 days against BestPay App's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BestPay App ships an update every 2 weeks, Confidence Interval Calc every 6 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BestPay App | Confidence Interval Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 37 MB | 30 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [BABIL YAZILIM DANISMANLIK VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1553425409) | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) |

## What reviewers say

### BestPay App

[App page](https://appshunter.io/ios/app/bestpay-app/id1553425407)

**Features:** macOS Compatibility

**In-app purchases:** none


### Confidence Interval Calc

[App page](https://appshunter.io/ios/app/confidence-interval-calc/id6749201174)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BestPay App free?

BestPay App is free to download, with no in-app purchases.

### Is Confidence Interval Calc free?

Confidence Interval Calc is free to download, with no in-app purchases.

### Do BestPay App or Confidence Interval Calc have ads?

Neither BestPay App nor Confidence Interval Calc shows ads.

### Which is updated more often, BestPay App or Confidence Interval Calc?

BestPay App ships an update every 2 weeks, and Confidence Interval Calc every 6 days. Most recently, BestPay App was updated on October 15, 2026 and Confidence Interval Calc on October 13, 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.*