# Solar Eclipse Timer vs UMi Mount

The clearest difference is in-app purchases: UMi Mount at none against Solar Eclipse Timer's 6. Solar Eclipse Timer's advantage is update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Solar Eclipse Timer ships an update monthly, UMi Mount every 4 months. The most recent releases landed on September 20, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | Solar Eclipse Timer | UMi Mount |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (560 ratings)](https://appshunter.io/ios/app/solar-eclipse-timer/id1203105865/reviews)** | — |
| Number of ratings | **560** | — |
| Positive reviews | 68.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 231 MB | 46 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Foxwood Astronomy, LLC.](https://appshunter.io/developer/1180239027) | [昊刚 李](https://appshunter.io/developer/1687019696) |

## 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


### UMi Mount

[App page](https://appshunter.io/ios/app/umi-mount/id6503953666)

**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 UMi Mount free?

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

### Do Solar Eclipse Timer or UMi Mount have ads?

Neither Solar Eclipse Timer nor UMi Mount shows ads.

### Which is updated more often, Solar Eclipse Timer or UMi Mount?

Solar Eclipse Timer ships an update monthly, and UMi Mount every 4 months. Most recently, Solar Eclipse Timer was updated on September 20, 2026 and UMi Mount on May 15, 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.*