Comparison

Sundown vs NTHelper

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sundown

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
Read full description

Sundown helps you plan your day in harmony with the sun. Whether you’re timing a sunset walk or organizing daily routines around natural light, Sundown makes scheduling effortless by linking your events to the sun’s daily cycle at your location. No more guesswork or mental arithmetic – just simple, intuitive planning aligned with the rhythm of the sun! • Set up an alarm clock linked to the local sunrise time. • Plan your runs, hikes, or walks to finish just before sunset. • Capture the perfect photo during the “golden hour” before sunset. • Set reminders for evening routines, like closing the garage door after dark. • Sync work tasks or outdoor projects with daylight hours. • Plan your mealtimes or sleep cycles around the sun. • Schedule stargazing activities based on astronomical twilight hours. • Never forget to walk the dog before dark – Sundown keeps you on track! Key features: • Get accurate times for sunrise, sunset, dawn, dusk, solar noon, and solar midnight, as well as nautical and astronomical variants. • Set recurring events tied to solar movements with just a few taps. • Customize your timeline to show only the events that matter to you. • Plan ahead by viewing your scheduled event times for future dates. • Data available for 57,000 locations around the world. • Or get precise timings for your exact location. • View summary charts and statistics for the entire year. • Track the sun’s path across the horizon in a beautifully crafted app. • Works anywhere – no internet connection required. • No ads. No tracking. Your data stays completely private. Sundown Gold (one-time purchase): • Get timely alerts for your scheduled events, so you’ll never miss a moment. • Add the widget to your home/lock screen to track upcoming events without even opening the app. • Personalize the app and widget by changing the theme color to suit your mood or style. • Keep track of events with countdown timers visible on your lock screen and Apple Watch. • Set up multiple favorite locations. ---------------- By downloading Sundown, you agree to: • Apple’s standard end user license agreement (EULA), available at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Sundown’s privacy policy, available at: https://sundown.recursive.ink/privacy

About

NTHelper

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
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An app that uses the MIDI SysEX protocol to manage and edit patches on your Disting NT. Disting NT not included. Disting NT is a trademark of Expert Sleepers. This app allows you to connect your phone via USB to the Disting and perform preset management.

Screenshots

Sundown4 screens
NTHelper1 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard5 real differences · 5 level
Sundown versus NTHelper: the parameters behind the verdict, then further details
ParameterSundownNTHelper
PriceFreeFree
Rating4.7 (9 ratings)5.0 (3 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings9 — better3
Update frequencyEvery 4 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.6 — better
Further details — not scored
Size32 MB50 MB
Age rating4+4+
DeveloperRecursive Ink LtdNeal Sanche

Customer experience

Sundown

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

NTHelper

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Sundown

One-time1
  • Sundown Gold$5.99
None

NTHelper

No in-app purchases

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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