# Sensci vs Sunny Buddy

The clearest difference is update cadence: Sensci at every 3 weeks against Sunny Buddy's every 13 months. Sunny Buddy's advantage is iOS requirement (15.1 vs 17.6). 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.

Sensci ships an update every 3 weeks, Sunny Buddy every 13 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Sensci | Sunny Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sunny-buddy/id6701995916/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 13 months |
| Monetization | — | Free |
| Size | 20 MB | 82 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [SENSE SCIENCE LAB LIMITED](https://appshunter.io/developer/1694184635) | [Xin Ran Wang](https://appshunter.io/developer/1769510214) |

## What reviewers say

### Sensci

[App page](https://appshunter.io/ios/app/sensci/id6444912045)

**Features:** Vision Pro support

**In-app purchases:** none


### Sunny Buddy

[App page](https://appshunter.io/ios/app/sunny-buddy/id6701995916)

This app provides personalized sun safety guidance with real-time UV index tracking and sunscreen reapplication reminders. It offers recommendations and quizzes to help users find the right sun protection and assess their melanoma risk.

**Highlights:** Real-Time UV Index Tracker, Sunscreen Reapplication Reminders, Personalized Sunscreen Recommendations, Interactive Sunscreen Quiz, Melanoma Screening Quiz, Sunscreen Dispenser Map (Canada Only)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensci free?

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

### Is Sunny Buddy free?

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

### Do Sensci or Sunny Buddy have ads?

Neither Sensci nor Sunny Buddy shows ads.

### Which is updated more often, Sensci or Sunny Buddy?

Sensci ships an update every 3 weeks, and Sunny Buddy every 13 months. Most recently, Sensci was updated on November 7, 2026 and Sunny Buddy on November 4, 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.*