# ConvertALL Unit Converter vs Mod Solar

The clearest difference is update cadence: Mod Solar at weekly against ConvertALL Unit Converter's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ConvertALL Unit Converter sells 1 one-off in-app purchase and Mod Solar sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ConvertALL Unit Converter ships an update monthly, Mod Solar weekly. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ConvertALL Unit Converter | Mod Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 24 MB | 5 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AYLIN BICEN](https://appshunter.io/developer/1839275591) | [Savio Colombo](https://appshunter.io/developer/1840266069) |

## What reviewers say

### ConvertALL Unit Converter

[App page](https://appshunter.io/ios/app/convertall-unit-converter/id6753229100)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| converterpro | $4.99 | one-time |


### Mod Solar

[App page](https://appshunter.io/ios/app/mod-solar-panel-project/id6763965089)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |


## Frequently asked questions

### Is ConvertALL Unit Converter free?

ConvertALL Unit Converter is free to download, with in-app purchases available.

### Is Mod Solar free?

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

### Do ConvertALL Unit Converter or Mod Solar have ads?

Neither ConvertALL Unit Converter nor Mod Solar shows ads.

### Which is updated more often, ConvertALL Unit Converter or Mod Solar?

ConvertALL Unit Converter ships an update monthly, and Mod Solar weekly. Most recently, ConvertALL Unit Converter was updated on September 9, 2026 and Mod Solar on September 14, 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.*