# Proton Mail vs UAP SIGHTER

The clearest difference is rating: Proton Mail at 4.8 against UAP SIGHTER's 4.2. Proton Mail also leads on ratings volume (49K vs 6) and chart position (#67 vs unranked). UAP SIGHTER's advantage is in-app purchases (none vs 6) and update cadence (every 2 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. Proton Mail sells 6 in-app purchases, starting at $5.99 per month. UAP SIGHTER asks for nothing beyond the download.

Proton Mail holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Proton Mail has 49K ratings behind it against 6, so its average is the more settled of the two.

Proton Mail ships an update every 10 days, UAP SIGHTER every 2 days. Both last shipped on October 21, 2026.

## The numbers

| Metric | Proton Mail | UAP SIGHTER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (49K ratings)](https://appshunter.io/ios/app/proton-mail-encrypted-email/id979659905/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/uap-sighter/id6450139236/reviews) |
| Number of ratings | **49K** | 6 |
| Positive reviews | 46.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#67** | — |
| Size | 272 MB | 13 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [David Coy](https://appshunter.io/developer/1692016532) |

## What reviewers say

### Proton Mail

[App page](https://appshunter.io/ios/app/proton-mail-encrypted-email/id979659905)

**Currently charting:** #67 Top Free · Productivity, #84 Top Grossing · Productivity (US App Store)

This encrypted email service from Switzerland prioritizes user privacy with end-to-end encryption. It offers robust security features to protect your communications from phishing, spam, and tracking, allowing you to manage your inbox with ease.

**Highlights:** End-to-end encryption, Password-protected emails, Multiple account support, Inbox organization (folders, labels), Dark mode, Phishing and spam protection

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mail Plus 1 month | $5.99 | per month |
| Unlimited 1 month | $14.99 | per month |
| Mail Plus 12 months | $47.90 | per year |
| Unlimited 1 year | $119.00 | per year |
| Mail Plus (1 year) | $59.99 | one-time |
| Proton Unlimited | $149.99 | one-time |

**What reviewers like**

- 🚀 Smooth performance
- 🔒 Excellent security and privacy
- 👍 Clean and intuitive interface
- 💡 Expanding ecosystem of Proton services

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- ⏱️ Slow email loading times
- 📝 Lacking advanced email management features
- 💰 Expensive paid plans

**Reported bugs**

- Login issues and lost email data
- Unreliable push notifications
- Inconsistent user experience between app and web

**Requested features**

- Conversation threading and email previews
- Customizable notification sounds
- Offline email access
- Improved syncing across devices


### UAP SIGHTER

[App page](https://appshunter.io/ios/app/uap-sighter/id6450139236)

This app empowers users to actively participate in real-time UFO/UAP sightings by capturing and sharing visual data and metadata with researchers. It aims to increase awareness and eliminate the stigma associated with reporting such phenomena.

**Highlights:** Real-time UFO/UAP sighting capture, Crowd-sourced visual and metadata collection, Anonymous and private data contribution, Live user polling to reduce false positives, Easy-to-use interface with auto-upload, Low-light enabled recording

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Proton Mail free?

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

### Is UAP SIGHTER free?

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

### Which has better reviews, Proton Mail or UAP SIGHTER?

Proton Mail is rated higher. Proton Mail averages 4.8 out of 5 from 49K ratings, while UAP SIGHTER averages 4.2 from 6 ratings.

### Do Proton Mail or UAP SIGHTER have ads?

Neither Proton Mail nor UAP SIGHTER shows ads.

### Which is updated more often, Proton Mail or UAP SIGHTER?

Proton Mail ships an update every 10 days, and UAP SIGHTER every 2 days. Most recently, Proton Mail was updated on October 21, 2026 and UAP SIGHTER on October 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.*