# CA2020 vs The Meter Doctor

The clearest difference is iOS requirement: CA2020 at 11.0 against The Meter Doctor's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CA2020 ships an update every 4 months, The Meter Doctor every 6 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CA2020 | The Meter Doctor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 46 MB | 31 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IMG Sicurezza Italia S.R.L.S.](https://appshunter.io/developer/1495771178) | [Officine IADR](https://appshunter.io/developer/1550791649) |

## What reviewers say

### CA2020

[App page](https://appshunter.io/ios/app/ca2020/id1495947489)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Meter Doctor

[App page](https://appshunter.io/ios/app/the-meter-doctor/id1569810076)

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

**In-app purchases:** none


## Frequently asked questions

### Is CA2020 free?

CA2020 is free to download, with no in-app purchases.

### Is The Meter Doctor free?

The Meter Doctor is free to download, with no in-app purchases.

### Do CA2020 or The Meter Doctor have ads?

Neither CA2020 nor The Meter Doctor shows ads.

### Which is updated more often, CA2020 or The Meter Doctor?

CA2020 ships an update every 4 months, and The Meter Doctor every 6 months. Most recently, CA2020 was updated on October 25, 2026 and The Meter Doctor on November 3, 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.*