# ReadableCalc vs Numeris 3D Graphing Calculator

The clearest difference is in-app purchases: ReadableCalc at none against Numeris 3D Graphing Calculator's 1. ReadableCalc also leads on update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Numeris 3D Graphing Calculator sells 1 one-off in-app purchase. ReadableCalc asks for nothing beyond the download.

ReadableCalc ships an update weekly, Numeris 3D Graphing Calculator monthly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ReadableCalc | Numeris 3D Graphing Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 28 MB | 22 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YONAGARE LAB](https://appshunter.io/developer/1810986554) | [Dustin Dondrup](https://appshunter.io/developer/1895779068) |

## What reviewers say

### ReadableCalc

[App page](https://appshunter.io/ios/app/readablecalc/id6747457253)

**Features:** macOS Compatibility

**In-app purchases:** none


### Numeris 3D Graphing Calculator

[App page](https://appshunter.io/ios/app/numeris-3d-graphing-calculator/id6764434554)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Numeris Pro | $2.99 | one-time |


## Frequently asked questions

### Is ReadableCalc free?

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

### Is Numeris 3D Graphing Calculator free?

Numeris 3D Graphing Calculator is free to download, with in-app purchases available.

### Do ReadableCalc or Numeris 3D Graphing Calculator have ads?

Neither ReadableCalc nor Numeris 3D Graphing Calculator shows ads.

### Which is updated more often, ReadableCalc or Numeris 3D Graphing Calculator?

ReadableCalc ships an update weekly, and Numeris 3D Graphing Calculator monthly. Most recently, ReadableCalc was updated on October 7, 2026 and Numeris 3D Graphing Calculator on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*