# CalcKit vs Tenera

The clearest difference is update cadence: Tenera at daily against CalcKit's every 30 months. CalcKit's advantage is iOS requirement (15.6 vs 26.0). 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.

CalcKit ships an update every 30 months, Tenera daily. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CalcKit | Tenera |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Daily** |
| Monetization | Free | — |
| Size | 0 MB | 29 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Akkyra Systems](https://appshunter.io/developer/300710095) | [MARKO MISIC](https://appshunter.io/developer/1789856537) |

## What reviewers say

### CalcKit

[App page](https://appshunter.io/ios/app/calckit/id321006774)

Design and build your own custom calculators with personalized formulas and input labels. Organize them into groups for easy access. Ideal for students, scientists, and engineers needing more than standard calculator functions.

**Highlights:** Design calculators with custom formulas, Up to seven user-defined variables, Built-in trig and math functions, Organize calculators into groups, Unlimited personal calculator creation

**Features:** macOS Compatibility

**In-app purchases:** none


### Tenera

[App page](https://appshunter.io/ios/app/tenera/id6760923780)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalcKit free?

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

### Is Tenera free?

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

### Do CalcKit or Tenera have ads?

Neither CalcKit nor Tenera shows ads.

### Which is updated more often, CalcKit or Tenera?

CalcKit ships an update every 30 months, and Tenera daily. Most recently, CalcKit was updated on October 23, 2026 and Tenera 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.*