# Spark Mail vs SWIFT Authenticator

The clearest difference is in-app purchases: SWIFT Authenticator at none against Spark Mail's 17. SWIFT Authenticator also leads on rating (5.0 vs 4.6) and iOS requirement (13.0 vs 16.4). Spark Mail's advantage is ratings volume (83K vs 1) and chart position (#109 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Spark Mail sells 13 in-app purchases, starting at $7.99 per month. SWIFT Authenticator asks for nothing beyond the download.

SWIFT Authenticator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Spark Mail has 83K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Spark Mail | SWIFT Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (83K ratings)](https://appshunter.io/ios/app/spark-mail-ai-email-assistant/id997102246/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/swift-authenticator/id1471136535/reviews)** |
| Number of ratings | **83K** | 1 |
| Positive reviews | 61.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#109** | — |
| Size | 392 MB | 1 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [SWIFT](https://appshunter.io/developer/455992480) |

## What reviewers say

### Spark Mail

[App page](https://appshunter.io/ios/app/spark-mail-ai-email-assistant/id997102246)

**Currently charting:** #109 Top Grossing · Productivity (US App Store)

Streamline your email and calendar management with an AI-powered assistant. Organize multiple accounts, declutter your inbox with smart sorting, and use AI to draft replies, summarize threads, and manage your schedule efficiently.

**Highlights:** Unified inbox for multiple email accounts, AI-powered email summarization and drafting, Smart Inbox for prioritizing emails, Calendar management and meeting scheduling, Gatekeeper for sender screening, Team collaboration on emails, Integrations with productivity apps

**Features:** Family Sharing, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spark Premium | $7.99 | per month |
| Spark Plus Monthly | $10.00 | per month |
| Spark Premium | $11.99 | per month |
| Spark Pro Monthly | $20.00 | per month |
| Get Spark Premium | $41.99 | per year |
| Spark Premium | $59.99 | per year |
| Get Spark Premium | $59.99 | per year |
| Spark Plus Annual | $99.00 | per year |
| Get Spark Premium | $119.99 | per year |
| Spark Pro Annual | $199.00 | per year |
| Regular Powerbank | $4.99 | one-time |
| Big Powerbank | $9.99 | one-time |
| Huge Powerbank | $19.99 | one-time |

**What reviewers like**

- 🚀 Excellent email management features
- 👍 Clean and intuitive user interface
- 📂 Effective email organization and categorization
- ⏱️ Efficient workflow with snooze, scheduling, and templates
- 💻 Seamless cross-device experience

**What reviewers complain about**

- 🐛 Occasional sync and stability issues
- 🔒 Concerns over privacy and data usage
- 💰 Aggressive push for paid subscription
- 📥 Unreliable notification delivery
- 🔍 Inconsistent search functionality

**Reported bugs**

- Emails disappearing from the inbox
- Delayed email delivery and sync
- Crashes and freezes when opening the app
- Issues with Exchange calendar and account sync
- Incorrect email grouping and threading

**Requested features**

- Improved spam filtering and email blocking
- Option to disable email threading
- Better calendar integration and management
- Customizable email signatures and layouts
- Expanded third-party app integrations


### SWIFT Authenticator

[App page](https://appshunter.io/ios/app/swift-authenticator/id1471136535)

This app provides secure and quick access to SWIFT applications and services using two-factor authentication. It allows for unlimited generation of time-based one-time passwords and supports multiple accounts in one view. The tool facilitates compliance with security frameworks and works offline.

**Highlights:** Fast, one-time setup via QR code, Access multiple SWIFT products and accounts, Unlimited TOTP generation, All TOTP codes in one screen, Facilitates SWIFT security compliance, Works fully offline

**In-app purchases:** none


## Frequently asked questions

### Is Spark Mail free?

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

### Is SWIFT Authenticator free?

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

### Which has better reviews, Spark Mail or SWIFT Authenticator?

SWIFT Authenticator is rated higher. Spark Mail averages 4.6 out of 5 from 83K ratings, while SWIFT Authenticator averages 5.0 from 1 ratings.

### Do Spark Mail or SWIFT Authenticator have ads?

Neither Spark Mail nor SWIFT Authenticator shows ads.

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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.*