# Spark Mail vs ABOSS

The clearest difference is review sentiment: Spark Mail at 61% against ABOSS's 0%. Spark Mail also leads on rating (4.6 vs 1.0) and update cadence (weekly vs every 5 weeks). ABOSS's advantage is in-app purchases (none vs 17) and iOS requirement (10.0 vs 16.4). 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. ABOSS asks for nothing beyond the download.

Spark Mail holds the better App Store score, 4.6 against 1.0. 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. Written reviews point the same way: 61% of Spark Mail's written reviews are positive against 0% of ABOSS's.

Spark Mail ships an update weekly, ABOSS every 5 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Spark Mail | ABOSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (83K ratings)](https://appshunter.io/ios/app/spark-mail-ai-email-assistant/id997102246/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/aboss/id1048993502/reviews) |
| Number of ratings | **83K** | 1 |
| Positive reviews | **61.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#104** | — |
| Size | 392 MB | 14 MB |
| Requires iOS | 16.4 | **10.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [ABOSS](https://appshunter.io/developer/1048993501) |

## What reviewers say

### Spark Mail

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

**Currently charting:** #104 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, iPhone Duo 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


### ABOSS

[App page](https://appshunter.io/ios/app/aboss/id1048993502)

Manage all aspects of an artist's career, from creative projects and financials to live show logistics. Access essential information for artists and their teams on a need-to-know basis.

**Highlights:** Manage writing sessions and studio projects, Track rehearsals and meetings, Monitor financials and promotions, Organize live show schedules, Store show-related files, Manage travel and accommodation

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

**In-app purchases:** none


## Frequently asked questions

### Is Spark Mail free?

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

### Is ABOSS free?

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

### Which has better reviews, Spark Mail or ABOSS?

Spark Mail is rated higher. Spark Mail averages 4.6 out of 5 from 83K ratings, while ABOSS averages 1.0 from 1 ratings.

### Do Spark Mail or ABOSS have ads?

Neither Spark Mail nor ABOSS shows ads.

### Which is updated more often, Spark Mail or ABOSS?

Spark Mail ships an update weekly, and ABOSS every 5 weeks. Most recently, Spark Mail was updated on October 28, 2026 and ABOSS on October 24, 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.*