# DaCalculator vs Iris Drive

The clearest difference is ads: Iris Drive at none against DaCalculator's shown. Iris Drive also leads on iOS requirement (17.0 vs 26.0). DaCalculator's advantage is update cadence (daily vs every 5 weeks). On price, 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.

DaCalculator ships an update daily, Iris Drive every 5 weeks. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | DaCalculator | Iris Drive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 5 weeks |
| Size | 5 MB | 89 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [JayApp](https://appshunter.io/developer/1871818325) | [Sirius Business Oy](https://appshunter.io/developer/6785410350) |

## What reviewers say

### DaCalculator

[App page](https://appshunter.io/ios/app/dacalculator/id6761714519)

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

**In-app purchases:** none


### Iris Drive

[App page](https://appshunter.io/ios/app/iris-drive/id6785422241)

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

**In-app purchases:** none


## Frequently asked questions

### Is DaCalculator free?

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

### Is Iris Drive free?

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

### Do DaCalculator or Iris Drive have ads?

DaCalculator shows ads; Iris Drive does not.

### Which is updated more often, DaCalculator or Iris Drive?

DaCalculator ships an update daily, and Iris Drive every 5 weeks. Most recently, DaCalculator was updated on October 14, 2026 and Iris Drive on October 8, 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.*