# Spark Mail vs Google One

Spark Mail and Google One both sit at 4.6 stars, but that hides the real split: 61% of Spark Mail's written reviews are positive against 28% of Google One's. Spark Mail also leads on update cadence (weekly vs fortnightly) and ratings volume (83K vs 23K). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Spark Mail sells 13 in-app purchases, starting at $7.99 per month and Google One sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Spark Mail against 4.7 for Google One. Both are backed by a comparable volume of ratings — 83K and 23K respectively. Written reviews are what separate them: 61% of Spark Mail's written reviews are positive against 28% of Google One's.

Spark Mail ships an update weekly, Google One fortnightly. Both last shipped on October 27, 2026.

## The numbers

| Metric | Spark Mail | Google One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (83K ratings)](https://appshunter.io/ios/app/spark-mail-ai-email-assistant/id997102246/reviews) | **[4.7 (23K ratings)](https://appshunter.io/ios/app/google-one/id1451784328/reviews)** |
| Number of ratings | **83K** | 23K |
| Positive reviews | **61.1% of reviews** | 28.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #106 | **#43** |
| Size | 392 MB | 192 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [Google](https://appshunter.io/developer/281956209) |

## What reviewers say

### Spark Mail

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

**Currently charting:** #106 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


### Google One

[App page](https://appshunter.io/ios/app/google-one/id1451784328)

**Currently charting:** #43 Top Grossing · Productivity, #52 Top Free · Productivity (US App Store)

Safely back up your phone's photos, contacts, and messages to the cloud. Manage your Google account storage across Drive, Gmail, and Photos, and easily free up space. Upgrade for more storage and benefits.

**Highlights:** Phone backup (photos, contacts, messages), Cloud storage management, Free up space tool, Storage upgrade options, Cross-service storage view

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 GB | $1.99 | per month |
| 100 GB | $1.99 | per month |
| 200 GB | $2.99 | per month |
| 200 GB | $2.99 | per month |
| Google AI Plus (2 TB) | $9.99 | per month |
| Google AI Plus (2 TB) | $9.99 | per month |
| 100 GB | $19.99 | per year |
| 100 GB | $19.99 | per year |
| 200 GB | $29.99 | per year |
| 2 TB | $99.99 | per year |

**What reviewers like**

- 🚀 Convenient storage management
- 👍 Helpful for organizing files
- 🤖 Integrates with other Google services

**What reviewers complain about**

- 🐛 Unreliable VPN connection
- 🔒 Poor account security and refund policies
- 💸 Misleading subscription offers
- 🤯 Confusing and frustrating user experience

**Reported bugs**

- VPN disconnects internet connectivity
- Inability to disable VPN within app
- Incompatibility issues with iOS updates

**Requested features**

- Allow changing VPN location
- Improve offline functionality
- Add duplicate file management


## Frequently asked questions

### Is Spark Mail free?

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

### Is Google One free?

Google One is free to download, with in-app purchases available.

### Which has better reviews, Spark Mail or Google One?

Google One is rated higher. Spark Mail averages 4.6 out of 5 from 83K ratings, while Google One averages 4.7 from 23K ratings.

### Do Spark Mail or Google One have ads?

Neither Spark Mail nor Google One shows ads.

### Which is updated more often, Spark Mail or Google One?

Spark Mail ships an update weekly, and Google One fortnightly. Most recently, Spark Mail was updated on October 27, 2026 and Google One on October 27, 2026.

### Which is more popular, Spark Mail or Google One?

Spark Mail currently peaks at #106 in the App Store charts, and Google One at #43. Chart position reflects recent download velocity rather than total install base.

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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.*