# PetBuddy vs Shift Calendar

The clearest difference is in-app purchases: Shift Calendar at none against PetBuddy's 3. Shift Calendar also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PetBuddy sells 3 in-app purchases, starting at $2.99 per month. Shift Calendar asks for nothing beyond the download.

PetBuddy ships an update every 2 months, Shift Calendar every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PetBuddy | Shift Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/petbuddy-pet-care-tracker/id6745491480/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 91 MB | 12 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Atyuha Pal](https://appshunter.io/developer/1812514268) | [Vu Trong](https://appshunter.io/developer/1878635735) |

## What reviewers say

### PetBuddy

[App page](https://appshunter.io/ios/app/petbuddy-pet-care-tracker/id6745491480)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $29.99 | per year |
| Lifetime Premium | $59.99 | one-time |


### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-shift-planner/id6760978159)

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

**In-app purchases:** none


## Frequently asked questions

### Is PetBuddy free?

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

### Is Shift Calendar free?

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

### Do PetBuddy or Shift Calendar have ads?

PetBuddy shows ads; Shift Calendar does not.

### Which is updated more often, PetBuddy or Shift Calendar?

PetBuddy ships an update every 2 months, and Shift Calendar every 3 weeks. Most recently, PetBuddy was updated on October 24, 2026 and Shift Calendar on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*