# Programmer Calculator Lite vs Petvis

The clearest difference is ads: Petvis at none against Programmer Calculator Lite's shown. Petvis also leads on update cadence (every 3 months vs every 22 months) and iOS requirement (12.4 vs 16). 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.

Programmer Calculator Lite ships an update every 22 months, Petvis every 3 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Programmer Calculator Lite | Petvis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 22 months | **Every 3 months** |
| Size | 10 MB | 28 MB |
| Requires iOS | 16 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Juan Bustos](https://appshunter.io/developer/1628019559) | [VET AND TECH CORP](https://appshunter.io/developer/1607858997) |

## What reviewers say

### Programmer Calculator Lite

[App page](https://appshunter.io/ios/app/programmer-calculator-lite/id1628356417)

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

**In-app purchases:** none


### Petvis

[App page](https://appshunter.io/ios/app/petvis/id6560116518)

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

**In-app purchases:** none


## Frequently asked questions

### Is Programmer Calculator Lite free?

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

### Is Petvis free?

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

### Do Programmer Calculator Lite or Petvis have ads?

Programmer Calculator Lite shows ads; Petvis does not.

### Which is updated more often, Programmer Calculator Lite or Petvis?

Programmer Calculator Lite ships an update every 22 months, and Petvis every 3 months. Most recently, Programmer Calculator Lite was updated on October 6, 2026 and Petvis on October 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.*