# UNO PLUS vs Ostler

The clearest difference is in-app purchases: UNO PLUS at none against Ostler's 2. UNO PLUS also leads on iOS requirement (15.5 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ostler sells 2 in-app purchases, starting at $12.99 per month. UNO PLUS asks for nothing beyond the download.

UNO PLUS ships an update weekly, Ostler every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | UNO PLUS | Ostler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (127 ratings)](https://appshunter.io/ios/app/uno-plus/id6504689482/reviews)** | — |
| Number of ratings | **127** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 110 MB | 47 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [SOIN Soluciones Integrales S.A.](https://appshunter.io/developer/580236993) | [Mario Noriega](https://appshunter.io/developer/6805722839) |

## What reviewers say

### UNO PLUS

[App page](https://appshunter.io/ios/app/uno-plus/id6504689482)

Earn rewards for fueling up at UNO stations and shopping at Pronto stores. This loyalty program offers benefits for your purchases.

**Highlights:** Rewards for fuel purchases, Benefits for store purchases, Loyalty program, Exclusive offers

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

**In-app purchases:** none


### Ostler

[App page](https://appshunter.io/ios/app/ostler-pet-care-tracker/id6805722657)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ostler Premium Monthly | $12.99 | per month |
| Ostler Premium Yearly | $79.99 | per year |


## Frequently asked questions

### Is UNO PLUS free?

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

### Is Ostler free?

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

### Do UNO PLUS or Ostler have ads?

Neither UNO PLUS nor Ostler shows ads.

### Which is updated more often, UNO PLUS or Ostler?

UNO PLUS ships an update weekly, and Ostler every 3 days. Most recently, UNO PLUS was updated on October 30, 2026 and Ostler 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.*