# PET vs Scentiment 2.0

The clearest difference is update cadence: Scentiment 2.0 at every 5 days against PET's monthly. PET's advantage is iOS requirement (13.0 vs 16.0). On price, ads, 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.

PET ships an update monthly, Scentiment 2.0 every 5 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PET | Scentiment 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (174 ratings)](https://appshunter.io/ios/app/scentiment-20/id6752409911/reviews)** |
| Number of ratings | — | **174** |
| Positive reviews | — | 7.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free |
| Size | 46 MB | 98 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [金芳 郭](https://appshunter.io/developer/1701870847) | [Scentiment, LLC.](https://appshunter.io/developer/1731773542) |

## What reviewers say

### PET

[App page](https://appshunter.io/ios/app/pet-diary/id6743213111)

**In-app purchases:** none


### Scentiment 2.0

[App page](https://appshunter.io/ios/app/scentiment-20/id6752409911)

Control smart scent diffusers remotely to personalize your environment. Explore a curated collection of fragrances, set schedules, and manage device settings to create the perfect ambiance for any mood or occasion.

**Highlights:** Remote diffuser control, Customizable scent schedules, Fragrance collection browsing, In-app fragrance purchasing, Device naming and room assignment, Battery life monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PET free?

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

### Is Scentiment 2.0 free?

Scentiment 2.0 is free to download, with no in-app purchases.

### Do PET or Scentiment 2.0 have ads?

Neither PET nor Scentiment 2.0 shows ads.

### Which is updated more often, PET or Scentiment 2.0?

PET ships an update monthly, and Scentiment 2.0 every 5 days. Most recently, PET was updated on October 28, 2026 and Scentiment 2.0 on October 30, 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.*