# Thymer vs Sundog

The clearest difference is device support: Sundog at 3 against Thymer's 1. Sundog also leads on iOS requirement (15.1 vs 18.4). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Thymer against 5.0 for Sundog. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

## The numbers

| Metric | Thymer | Sundog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/thymer-custom-interval-timers/id6748364445/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/sundog-sun-exposure-tracker/id6765758203/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free | Free |
| Size | 1 MB | 29 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Niclas Bodenmann](https://appshunter.io/developer/1825458096) | [ALAN D NAVARRO LOPEZ](https://appshunter.io/developer/1895892153) |

## What reviewers say

### Thymer

[App page](https://appshunter.io/ios/app/thymer-custom-interval-timers/id6748364445)

Design personalized workout and productivity routines with customizable intervals. Adjust colors, sounds, and repetitions to create complex nested timers. Quickly access standard timers for activities like Tabata or breathing exercises.

**Highlights:** Create custom routines, Adjust colors, sounds, titles, Set repetitions, Complex nested timers, Quick access standard timers, Color-coded intervals, Sound cues

**Features:** macOS Compatibility

**In-app purchases:** none


### Sundog

[App page](https://appshunter.io/ios/app/sundog-sun-exposure-tracker/id6765758203)

This app provides personalized daily sun exposure schedules based on your skin type, live UV index, and cloud cover. It guides you on optimal times for vitamin D synthesis, circadian rhythm reset, tanning, and sleep optimization, while always keeping your burn limit visible.

**Highlights:** Personalized daily sun schedule, Calibrated to skin type and UV index, Smart timer for exposure duration, Burn limit visibility, Four science-backed sun goals, Daily sun insights and tips, Progress tracker

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thymer free?

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

### Is Sundog free?

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

### Which has better reviews, Thymer or Sundog?

Thymer and Sundog are both rated 5.0 out of 5 on the App Store, from 2 and 5 ratings respectively.

### Do Thymer or Sundog have ads?

Neither Thymer nor Sundog shows ads.

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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.*