# Confidence Interval Calc vs WhereMate

The clearest difference is device support: Confidence Interval Calc at 3 against WhereMate's 1. Confidence Interval Calc also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Confidence Interval Calc ships an update every 6 days, WhereMate weekly. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Confidence Interval Calc | WhereMate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/wheremate-remember-everything/id6752568308/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | — | Free |
| Size | 30 MB | 10 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) | [Brendan Smith](https://appshunter.io/developer/1836623228) |

## What reviewers say

### Confidence Interval Calc

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

**Features:** macOS Compatibility

**In-app purchases:** none


### WhereMate

[App page](https://appshunter.io/ios/app/wheremate-remember-everything/id6752568308)

Effortlessly remember where you've stored your belongings. Snap photos, add labels directly to images, and set reminders to keep track of items. All your data is stored locally on your device for maximum privacy.

**Highlights:** Fast photo capture and labeling, Visual annotations on photos, Customizable reminders, Organize items within containers, QR codes for container retrieval, Private, local-first data storage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Confidence Interval Calc free?

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

### Is WhereMate free?

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

### Do Confidence Interval Calc or WhereMate have ads?

Neither Confidence Interval Calc nor WhereMate shows ads.

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

Confidence Interval Calc ships an update every 6 days, and WhereMate weekly. Most recently, Confidence Interval Calc was updated on September 28, 2026 and WhereMate on September 30, 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.*