# Kalc vs Percent Error Calculator

Kalc and Percent Error Calculator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Kalc ships an update every 9 days, Percent Error Calculator weekly. The most recent releases landed on October 23, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Kalc | Percent Error Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/kalc/id610991936/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 96.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free | — |
| Size | 24 MB | 40 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YUTA OKAJIMA](https://appshunter.io/developer/610991939) | [Stage Coding](https://appshunter.io/developer/1637068135) |

## What reviewers say

### Kalc

[App page](https://appshunter.io/ios/app/kalc/id610991936)

This utility app offers a unit converter, calculator, and world clock. Its user-friendly interface is designed for quick access to everyday calculations and conversions.

**Highlights:** Unit converter, Calculator, World clock, Simple UI, Quick results

**Features:** macOS Compatibility

**In-app purchases:** none


### Percent Error Calculator

[App page](https://appshunter.io/ios/app/percent-error-calculator/id1619680411)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kalc free?

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

### Is Percent Error Calculator free?

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

### Do Kalc or Percent Error Calculator have ads?

Neither Kalc nor Percent Error Calculator shows ads.

### Which is updated more often, Kalc or Percent Error Calculator?

Kalc ships an update every 9 days, and Percent Error Calculator weekly. Most recently, Kalc was updated on October 23, 2026 and Percent Error Calculator 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.*