# Sun & Moon vs Smart Flow

The clearest difference is in-app purchases: Smart Flow at none against Sun & Moon's 2. Smart Flow also leads on ads (none vs shown) and update cadence (daily vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sun & Moon sells 2 in-app purchases, starting at $0.99 per year. Smart Flow asks for nothing beyond the download.

Sun & Moon ships an update every 5 weeks, Smart Flow daily. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sun & Moon | Smart Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (189 ratings)](https://appshunter.io/ios/app/sun-and-moon-sunrise-sunset/id1485087619/reviews)** | — |
| Number of ratings | **189** | — |
| Positive reviews | 71.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 42 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [重赞 韩](https://appshunter.io/developer/1131982671) | [PubLink science and technology (Hangzhou) Co.,Ltd](https://appshunter.io/developer/1531249187) |

## What reviewers say

### Sun & Moon

[App page](https://appshunter.io/ios/app/sun-and-moon-sunrise-sunset/id1485087619)

This app helps photographers find the perfect lighting conditions by providing precise sunrise, sunset, golden hour, and blue hour times. It also tracks moon phases and allows for photo sharing and future date planning.

**Highlights:** Sunrise and sunset times, Golden hour and blue hour calculation, Moon phase tracking, Photo sharing, 7-day preview, Global location support (Premium), Future date planning (Premium)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Yearly Subscription | $0.99 | per year |
| Premium Version | $2.99 | one-time |


### Smart Flow

[App page](https://appshunter.io/ios/app/smart-flow/id1562802451)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sun & Moon free?

Sun & Moon is free to download, with in-app purchases available.

### Is Smart Flow free?

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

### Do Sun & Moon or Smart Flow have ads?

Sun & Moon shows ads; Smart Flow does not.

### Which is updated more often, Sun & Moon or Smart Flow?

Sun & Moon ships an update every 5 weeks, and Smart Flow daily. Most recently, Sun & Moon was updated on November 7, 2026 and Smart Flow on November 3, 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.*