# Sun Surveyor Lite vs MMOO

The clearest difference is in-app purchases: Sun Surveyor Lite at none against MMOO's 2. Sun Surveyor Lite also leads on device support (3 vs 1). MMOO's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. MMOO sells 2 in-app purchases, starting at $3.99 per month. Sun Surveyor Lite asks for nothing beyond the download.

Sun Surveyor Lite ships an update every 2 months, MMOO every 2 weeks. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Sun Surveyor Lite | MMOO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (37 ratings)](https://appshunter.io/ios/app/sun-surveyor-lite/id552754407/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 78.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 57 MB | 2 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Adam Ratana](https://appshunter.io/developer/525176878) | [Beijing Haoxianda Technology Co., Ltd.](https://appshunter.io/developer/1679275944) |

## What reviewers say

### Sun Surveyor Lite

[App page](https://appshunter.io/ios/app/sun-surveyor-lite/id552754407)

This app helps photographers, filmmakers, and professionals visualize and plan around the sun's path. It predicts sunrise, sunset, and twilight times, and offers tools to understand light and shadows for optimal planning.

**Highlights:** Predict sunrise and sunset times, Visualize sun's path, Golden hour and blue hour planning, Twilight time calculations, Sun shadow information, Visual time machine

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use UI
- 📸 Great for photography planning
- 🌳 Useful for planting/landscaping
- ☀️ Accurate sun tracking
- 📱 Responsive 3D projection

**What reviewers complain about**

- 💰 Expensive pro version
- 📉 Lite version is very limited
- 🧭 Compass calibration issues
- ⚠️ Sun position inaccuracies
- 📱 Incompatible with some devices

**Reported bugs**

- Sun no longer appears where it should
- Sun direction is wrong indoors without GPS
- Sun is off by more than 10 degrees
- Sunrise time not working
- App crashes when selecting location

**Requested features**

- Make the version free
- Move UI options
- Add dark mode
- Add day-length feature
- Add UV index


### MMOO

[App page](https://appshunter.io/ios/app/mmoo/id6785118517)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $3.99 | per month |
| 6 元充值包 | $0.99 | one-time |


## Frequently asked questions

### Is Sun Surveyor Lite free?

Sun Surveyor Lite is free to download, with no in-app purchases.

### Is MMOO free?

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

### Do Sun Surveyor Lite or MMOO have ads?

Neither Sun Surveyor Lite nor MMOO shows ads.

### Which is updated more often, Sun Surveyor Lite or MMOO?

Sun Surveyor Lite ships an update every 2 months, and MMOO every 2 weeks. Most recently, Sun Surveyor Lite was updated on October 23, 2026 and MMOO on October 19, 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.*