# Photo Expert vs ONNOA

The clearest difference is review sentiment: ONNOA at 100% against Photo Expert's 5%. ONNOA also leads on in-app purchases (none vs 7) and ads (none vs shown). Photo Expert's advantage is ratings volume (120 vs 5) and update cadence (every 9 days vs every 4 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Photo Expert sells 7 in-app purchases, starting at $3.49 per 7 days. ONNOA asks for nothing beyond the download.

ONNOA holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Photo Expert has 120 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 5% of Photo Expert's written reviews are positive against 100% of ONNOA's.

Photo Expert ships an update every 9 days, ONNOA every 4 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Photo Expert | ONNOA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (120 ratings)](https://appshunter.io/ios/app/photo-expert-sun-moon-tracker/id1635539863/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/onnoa-smarttimer/id6470661710/reviews)** |
| Number of ratings | **120** | 5 |
| Positive reviews | 5.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 123 MB | 52 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIOPS TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1787239735) | [ONNOA GbR](https://appshunter.io/developer/1713950654) |

## What reviewers say

### Photo Expert

[App page](https://appshunter.io/ios/app/photo-expert-sun-moon-tracker/id1635539863)

Plan and capture stunning photos with advanced tools for celestial events, sun and moon tracking, and lightning alerts. Visualize celestial body positions on a map and in AR, receive AI-powered shooting suggestions, and access photography calculators.

**Highlights:** Visual event calendar with icons, Interactive map for Sun, Moon, Milky Way, Augmented Reality (AR) celestial tracking, AI-powered shooting suggestions, Real-time lightning map, Photography calculators

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.49 | per 7 days |
| Monthly | $4.99 | per month |
| Monthly | $7.99 | per month |
| 6 Months | $12.99 | per 6 months |
| Yearly | $49.99 | per year |
| Yearly | $49.99 | per year |
| One Time | $79.99 | one-time |


### ONNOA

[App page](https://appshunter.io/ios/app/onnoa-smarttimer/id6470661710)

This app acts as a remote control for a physical camera accessory, enabling advanced time-lapse photography. It offers features like linear time-lapsing, interval ramping, and long exposure control for professional results.

**Highlights:** Remote triggering, Linear time-lapse, Interval ramping, Long exposure bulb mode, Presets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Photo Expert free?

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

### Is ONNOA free?

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

### Which has better reviews, Photo Expert or ONNOA?

ONNOA is rated higher. Photo Expert averages 4.4 out of 5 from 120 ratings, while ONNOA averages 4.8 from 5 ratings.

### Do Photo Expert or ONNOA have ads?

Photo Expert shows ads; ONNOA does not.

### Which is updated more often, Photo Expert or ONNOA?

Photo Expert ships an update every 9 days, and ONNOA every 4 weeks. Most recently, Photo Expert was updated on October 22, 2026 and ONNOA on October 24, 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.*