SOS Online Backup vs Mail Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SOS Online Backup
Securely back up and restore data from your mobile devices, laptops, and remote offices to the cloud. Protect your information against accidental deletion, device loss, or cyberattacks. Access and manage your backed-up files from any device.
- Direct-to-cloud backup
- Data recovery
- Cross-device access
- Protection against data loss
- Mobile, laptop, and office support
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SOS Online Backup is a direct-to-cloud backup and recovery solution for mobile devices, laptops, and remote offices. With SOS Online Backup, you can protect data on your devices against accidental deletion, malicious attacks, or device loss. SOS Online Backup for iOS lets you: - Back up data from your device and store it in the cloud. - Access and browse your data backed up from the current device or any other devices you use. - Restore your data backed up from the current device or from any other devices you use.
Mail Assistant
Understand, summarize, and professionally respond to any letter with AI. Scan or upload documents, ask questions about their content, and get instant translations in over 80 languages. Effortlessly manage your mail and reply with confidence.
- Scan or upload paper mail
- AI-powered mail summarization
- Ask AI questions about mail content
- Compose professional replies
- Supports 80+ languages
- Translate and understand mail
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Struggling to understand or respond to important letters? Whether it's a bill, government notice, legal or personal letter, this AI-powered app helps you understand, summarize, and respond professionally. Key Features: Scan or Upload Any Paper Mail Simply take a photo or upload PDF file, and let AI handle the rest! AI-Powered Mail Summarization Instantly get a clear and concise summary of any letter—no more struggling with complex language or long documents. Ask AI Questions About Your Mail Unsure what a letter means? Ask specific questions and get instant, easy-to-understand answers based on the content. Compose Professional Replies Need to respond to an official letter? Let AI draft a polite, well-structured reply for you in seconds. Supports 80+ Languages Translate and understand mail in multiple languages, making it perfect for immigrants, international professionals, and multilingual households. Effortlessly manage your mail, eliminate confusion, and respond with confidence. Get full access to the app features by purchasing a monthly or yearly auto-renewable subscription. You can track and manage your subscriptions in your iTunes account. Terms of use: https://antikapps.tilda.ws/terms People illustrations by Storyset - https://storyset.com/people
Screenshots
Verdict
The clearest difference is review sentiment: Mail Assistant at 100% against SOS Online Backup's 22%. Mail Assistant also leads on update cadence (every 10 days vs every 8 months). SOS Online Backup's advantage is in-app purchases (none vs 2) and iOS requirement (12.3 vs 15.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Mail Assistant sells 2 in-app purchases, starting at $9.99 per month. SOS Online Backup asks for nothing beyond the download.
SOS Online Backup ships an update every 8 months, Mail Assistant every 10 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | SOS Online Backup | Mail Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 22.2% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 8 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Infrascale, Inc. | Cheese Wheels Apps OU |
Customer experience
SOS Online Backup
Mail Assistant
In-app purchases
SOS Online Backup
No in-app purchases
Mail Assistant
- Monthly subscription3 Days trial$9.991 Month
- Yearly subscription$49.991 Year
Questions
Is SOS Online Backup free?
Is Mail Assistant free?
Do SOS Online Backup or Mail Assistant have ads?
Which is updated more often, SOS Online Backup or Mail Assistant?
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