# Solar Eclipse Timer vs Yiduo Visual

The clearest difference is rating: Solar Eclipse Timer at 3.8 against Yiduo Visual's 2.6. Solar Eclipse Timer also leads on review sentiment (68% vs 45%) and ratings volume (560 vs 26). Yiduo Visual's advantage is in-app purchases (none vs 6) and update cadence (every 2 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Solar Eclipse Timer sells 6 one-off in-app purchases. Yiduo Visual asks for nothing beyond the download.

Solar Eclipse Timer holds the better App Store score, 3.8 against 2.6. That said, the two scores are not equally well evidenced: Solar Eclipse Timer has 560 ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 68% of Solar Eclipse Timer's written reviews are positive against 45% of Yiduo Visual's.

Solar Eclipse Timer ships an update monthly, Yiduo Visual every 2 days. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Solar Eclipse Timer | Yiduo Visual |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (560 ratings)](https://appshunter.io/ios/app/solar-eclipse-timer/id1203105865/reviews)** | [2.6 (26 ratings)](https://appshunter.io/ios/app/yiduo-visual/id1540207197/reviews) |
| Number of ratings | **560** | 26 |
| Positive reviews | **68.4% of reviews** | 45.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 231 MB | 85 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Foxwood Astronomy, LLC.](https://appshunter.io/developer/1180239027) | [红奎 刘](https://appshunter.io/developer/1465054112) |

## What reviewers say

### Solar Eclipse Timer

[App page](https://appshunter.io/ios/app/solar-eclipse-timer/id1203105865)

This app provides precise countdowns and reminders for solar eclipse phenomena, aiding both casual observers and photographers. It works offline and offers features like automatic partial-phase image timing and a dedicated photographer mode.

**Highlights:** Offline eclipse timing, Precise contact time calculation, Photographer mode, Automatic partial-phase image timing, Geolocation and manual coordinate entry, Audio and notification tests

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Total - 7/2/19; Chile, Argenti | $1.99 | one-time |
| Total - 12/14/20; Chile, Argen | $1.99 | one-time |
| Total – 12/4/21; Antarctica | $1.99 | one-time |
| Hybrid – 4/20/23; Australia | $1.99 | one-time |
| Total – 4/8/24; USA, Mexico | $1.99 | one-time |
| Solar Eclipse Timer | $1.99 | one-time |

**What reviewers like**

- 🚀 Accurate timing and announcements
- 👍 Enhanced eclipse viewing experience
- 🎉 Worked flawlessly for 2017 and 2024 eclipses
- 💡 Helpful for photographers and non-photographers
- 🔊 Useful audio cues and prompts

**What reviewers complain about**

- 🐛 Occasional crashes or glitches
- 🔍 Confusing or cluttered user interface
- 🔋 Audio prompts not working in some cases
- 🗺️ Inaccurate location detection or totality information

**Reported bugs**

- App crashing when loading timing data
- Notifications not working when camera is in use
- Incorrect contact times displayed for some locations

**Requested features**

- Customizable reminders or timers
- Automatic time zone and location updates
- Lunar eclipse support
- Improved onboarding and tutorial
- Countdown timer with graphical depiction


### Yiduo Visual

[App page](https://appshunter.io/ios/app/yiduo-visual/id1540207197)

Connects to visual electronic devices via Wi-Fi to display real-time images on your mobile device. Capture photos and record videos directly from the connected device for convenient use across various industries.

**Highlights:** Wi-Fi connection to visual electronic products, Real-time image display, Photo capture, Video recording, Image and video saving

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Eclipse Timer free?

Solar Eclipse Timer is free to download, with in-app purchases available.

### Is Yiduo Visual free?

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

### Which has better reviews, Solar Eclipse Timer or Yiduo Visual?

Solar Eclipse Timer is rated higher. Solar Eclipse Timer averages 3.8 out of 5 from 560 ratings, while Yiduo Visual averages 2.6 from 26 ratings.

### Do Solar Eclipse Timer or Yiduo Visual have ads?

Neither Solar Eclipse Timer nor Yiduo Visual shows ads.

### Which is updated more often, Solar Eclipse Timer or Yiduo Visual?

Solar Eclipse Timer ships an update monthly, and Yiduo Visual every 2 days. Most recently, Solar Eclipse Timer was updated on September 20, 2026 and Yiduo Visual on September 22, 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.*