# Chain Calculator vs EnterCalc

The clearest difference is update cadence: Chain Calculator at monthly against EnterCalc's every 4 months. Chain Calculator also leads on iOS requirement (13.0 vs 17.0). 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.

Chain Calculator ships an update monthly, EnterCalc every 4 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Chain Calculator | EnterCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 18 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [seongkuk park](https://appshunter.io/developer/1895828986) | [Tipli AI, LLC](https://appshunter.io/developer/1896375739) |

## What reviewers say

### Chain Calculator

[App page](https://appshunter.io/ios/app/chain-calculator/id6764549705)

**In-app purchases:** none


### EnterCalc

[App page](https://appshunter.io/ios/app/entercalc/id6777242723)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chain Calculator free?

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

### Is EnterCalc free?

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

### Do Chain Calculator or EnterCalc have ads?

Neither Chain Calculator nor EnterCalc shows ads.

### Which is updated more often, Chain Calculator or EnterCalc?

Chain Calculator ships an update monthly, and EnterCalc every 4 months. Most recently, Chain Calculator was updated on October 6, 2026 and EnterCalc 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.*