# Megatuner vs HydroniCalc

The clearest difference is in-app purchases: Megatuner at none against HydroniCalc's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HydroniCalc sells 1 one-off in-app purchase. Megatuner asks for nothing beyond the download.

## The numbers

| Metric | Megatuner | HydroniCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 3 MB | 7 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Christer Dalen](https://appshunter.io/developer/1655576002) | [Eric Chmara](https://appshunter.io/developer/1892404568) |

## What reviewers say

### Megatuner

[App page](https://appshunter.io/ios/app/megatuner/id6444596637)

**Features:** macOS Compatibility

**In-app purchases:** none


### HydroniCalc

[App page](https://appshunter.io/ios/app/hydronicalc/id6796810526)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Calculators | $12.99 | one-time |


## Frequently asked questions

### Is Megatuner free?

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

### Is HydroniCalc free?

HydroniCalc is free to download, with in-app purchases available.

### Do Megatuner or HydroniCalc have ads?

Neither Megatuner nor HydroniCalc shows ads.

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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.*