# Solis vs OneTap

The clearest difference is rating: OneTap at 5.0 against Solis's 4.8. OneTap also leads on iOS requirement (14.0 vs 18.0). Solis's advantage is ratings volume (5 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

OneTap holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Solis has 5 ratings behind it against 1, so its average is the more settled of the two.

Solis ships an update every 2 months, OneTap every 4 months. The most recent releases landed on October 20, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Solis | OneTap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/solis/id1129119591/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onetap-flashlight-and-sos/id6760909926/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 29 MB | 20 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jake Runzer](https://appshunter.io/developer/1093710227) | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) |

## What reviewers say

### Solis

[App page](https://appshunter.io/ios/app/solis/id1129119591)

Track sunrise, sunset, and twilight times globally with visually appealing gradient displays. Receive notifications for key solar events and access golden and blue hour times for photography. A simple widget provides at-a-glance information.

**Highlights:** Sunrise and sunset time tracking, Twilight time display (golden/blue hour), Global city support, Event notifications, Today widget, Twilight type explanations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### OneTap

[App page](https://appshunter.io/ios/app/onetap-flashlight-and-sos/id6760909926)

This utility app provides instant flashlight and SOS functionality with multiple access points like widgets and Siri. It offers adjustable LED and screen light modes, an auto-off timer, and privacy-focused features with no ads or internet connection required.

**Highlights:** Instant LED and screen light, SOS and Morse code translator, Auto-off timer, Home and Lock Screen widgets, Control Center and Siri integration, Privacy-focused, no internet required, Adjustable brightness and color modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Solis free?

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

### Is OneTap free?

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

### Which has better reviews, Solis or OneTap?

OneTap is rated higher. Solis averages 4.8 out of 5 from 5 ratings, while OneTap averages 5.0 from 1 ratings.

### Do Solis or OneTap have ads?

Neither Solis nor OneTap shows ads.

### Which is updated more often, Solis or OneTap?

Solis ships an update every 2 months, and OneTap every 4 months. Most recently, Solis was updated on October 20, 2026 and OneTap on October 31, 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.*