# Sundown vs NTHelper

The clearest difference is in-app purchases: NTHelper at none against Sundown's 1. NTHelper also leads on rating (5.0 vs 4.7) and iOS requirement (15.6 vs 18.0). Sundown's advantage is ratings volume (9 vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sundown sells 1 one-off in-app purchase. NTHelper asks for nothing beyond the download.

NTHelper holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 9 and 3 respectively.

Sundown ships an update every 4 weeks, NTHelper every 3 weeks. Both last shipped on November 4, 2026.

## The numbers

| Metric | Sundown | NTHelper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (9 ratings)](https://appshunter.io/ios/app/sundown-sunrisesunset-alerts/id6711351809/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nthelper/id6740042104/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 32 MB | 50 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Recursive Ink Ltd](https://appshunter.io/developer/1770059606) | [Neal Sanche](https://appshunter.io/developer/1767154375) |

## What reviewers say

### Sundown

[App page](https://appshunter.io/ios/app/sundown-sunrisesunset-alerts/id6711351809)

Plan your daily activities and events around natural daylight cycles. Set alarms and reminders linked to sunrise and sunset times, perfect for outdoor activities, photography, or daily routines. Get accurate solar timings for thousands of locations worldwide.

**Highlights:** Sunrise/sunset time alerts, Event scheduling linked to solar cycles, Customizable timeline, Future date planning, Data for 57,000+ locations, Offline functionality, Yearly summary charts

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sundown Gold | $5.99 | one-time |


### NTHelper

[App page](https://appshunter.io/ios/app/nthelper/id6740042104)

Manage and edit patches for your Disting NT synthesizer module. Connect your phone via USB to easily perform preset management for your device.

**Highlights:** MIDI SysEX protocol management, Edit Disting NT patches, Preset management, USB phone connection, Synthesizer module control

**In-app purchases:** none


## Frequently asked questions

### Is Sundown free?

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

### Is NTHelper free?

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

### Which has better reviews, Sundown or NTHelper?

NTHelper is rated higher. Sundown averages 4.7 out of 5 from 9 ratings, while NTHelper averages 5.0 from 3 ratings.

### Do Sundown or NTHelper have ads?

Neither Sundown nor NTHelper shows ads.

### Which is updated more often, Sundown or NTHelper?

Sundown ships an update every 4 weeks, and NTHelper every 3 weeks. Most recently, Sundown was updated on November 4, 2026 and NTHelper 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.*