# SimpleMoon vs Airly

The clearest difference is in-app purchases: Airly at none against SimpleMoon's 1. Airly also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 5 months). SimpleMoon's advantage is review sentiment (86% vs 60%) and rating (4.9 vs 4.7). On price, ratings volume, device support and iOS requirement there is nothing between them.

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

SimpleMoon holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 302 and 415 respectively. Written reviews point the same way: 86% of SimpleMoon's written reviews are positive against 60% of Airly's.

SimpleMoon ships an update every 5 months, Airly every 5 weeks. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SimpleMoon | Airly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (302 ratings)](https://appshunter.io/ios/app/simplemoon-moon-phase/id518753922/reviews)** | [4.7 (415 ratings)](https://appshunter.io/ios/app/airly/id1283400152/reviews) |
| Number of ratings | 302 | **415** |
| Positive reviews | **86.1% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 36 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tag Along K](https://appshunter.io/developer/716343859) | [Airly](https://appshunter.io/developer/1251569841) |

## What reviewers say

### SimpleMoon

[App page](https://appshunter.io/ios/app/simplemoon-moon-phase/id518753922)

Get accurate, real-time moon phase and illumination information for any day. Easily navigate through dates and view the moon's appearance for your specific hemisphere. The app works offline and provides upcoming full and new moon dates.

**Highlights:** Real-time moon phase and illumination, Date navigation and calendar selection, Offline functionality, Hemisphere-specific moon views, Next full and new moon dates

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads from SimpleMoon | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🌕 Accurate moon phases
- 🖼️ Beautiful moon visuals
- 💡 Ability to check past and future dates
- 📱 Responsive developer

**What reviewers complain about**

- ⚠️ Unwanted adult content
- 🚫 Missing key information (rise/set times)
- 🖥️ No widget available
- 🤔 Limited features for some users
- 🧭 Location not always requested/used

**Reported bugs**

- Adult content appearing unexpectedly
- Moon phase accuracy issues reported
- App not rotating on iPads (resolved)
- Displays (null)% and black moon

**Requested features**

- Include moon rise and set times
- Add a widget for quick overview
- Allow dragging to scroll through dates
- App icon showing current moon phase
- Southern Hemisphere option


### Airly

[App page](https://appshunter.io/ios/app/airly/id1283400152)

Monitor real-time air quality in your location with a vast sensor network. Get reliable pollution data, forecasts, and notifications about exceeded standards. Plan your activities based on the air you breathe.

**Highlights:** Real-time air quality monitoring, Largest sensor network in Poland, WHO standard compliance, Next-day air quality forecast, Push notifications for pollution alerts, Home and work place sensor favorites, Widgets for quick access

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 😊 Great way to track air quality
- 👍 Useful for knowing pollution levels
- 👍 Works well in specific locations (Poland)
- 👍 Great UI/UX
- 👍 Easy to use and clear

**What reviewers complain about**

- 🐛 Widget shows incorrect/no sensor data
- 🐛 Location requirements are unclear/excessive
- 🐛 Map quality is poor in portrait mode
- 🐛 Lacks Spanish language support
- 🐛 No indication of data update time

**Reported bugs**

- Complications on Apple Watch not showing AQI
- Widget provides no indication or incorrect data
- App requires location sharing always, even when zip code can be used for widgets
- Cannot find location
- Broken widget

**Requested features**

- Add Apple Watch complications for AQI
- Allow widget to show nearest sensor data
- Add Spanish language support
- Indicate data update time
- Allow viewing historical data beyond 2 days


## Frequently asked questions

### Is SimpleMoon free?

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

### Is Airly free?

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

### Which has better reviews, SimpleMoon or Airly?

SimpleMoon is rated higher. SimpleMoon averages 4.9 out of 5 from 302 ratings, while Airly averages 4.7 from 415 ratings.

### Do SimpleMoon or Airly have ads?

SimpleMoon shows ads; Airly does not.

### Which is updated more often, SimpleMoon or Airly?

SimpleMoon ships an update every 5 months, and Airly every 5 weeks. Most recently, SimpleMoon was updated on September 25, 2026 and Airly on September 21, 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.*