# Instantly AI vs Spacemail

The clearest difference is rating: Spacemail at 4.7 against Instantly AI's 2.9. Spacemail also leads on update cadence (every 5 days vs every 2 months) and ratings volume (369 vs 36). Instantly AI's advantage is iOS requirement (16.4 vs 18.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Spacemail holds the better App Store score, 4.7 against 2.9. That said, the two scores are not equally well evidenced: Spacemail has 369 ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 59% of Instantly AI's written reviews are positive against 60% of Spacemail's.

Instantly AI ships an update every 2 months, Spacemail every 5 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Instantly AI | Spacemail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (36 ratings)](https://appshunter.io/ios/app/instantly-ai/id6474658497/reviews) | **[4.7 (369 ratings)](https://appshunter.io/ios/app/spacemail/id6754387443/reviews)** |
| Number of ratings | 36 | **369** |
| Positive reviews | 58.9% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 44 MB | 157 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Foo Monk LLC](https://appshunter.io/developer/1722213325) | [Namecheap, Inc](https://appshunter.io/developer/482604035) |

## What reviewers say

### Instantly AI

[App page](https://appshunter.io/ios/app/instantly-ai/id6474658497)

This app provides on-the-go email management. Read replies, quickly respond or forward messages, and search your inbox using various filters.

**Highlights:** Read emails on the go, Quickly reply to emails, Forward emails, Search emails with filters, Manage Unibox

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient email outreach automation
- 👍 Clean and intuitive interface
- 💡 Powerful features like campaign sequencing and inbox warm-up
- 👍 Unibox for managing multiple inboxes
- 🚀 Quick and easy to use

**What reviewers complain about**

- 💰 Expensive subscriptions and hidden costs
- 🐛 App is basically useless
- 🐛 Cannot sign in
- 🐛 Many bugs and glitches
- 🐛 App can be confusing at first

**Reported bugs**

- Cannot sign in via Google or set password
- Same emails showing up repeatedly in unibox
- No send button for replies on iPhone
- App logs out every time app is closed
- App keeps logging out every few hours

**Requested features**

- More options for campaign visibility
- Ability to change campaign copy in app
- In-depth notification settings
- Add more features to notifications
- Keep me signed in option


### Spacemail

[App page](https://appshunter.io/ios/app/spacemail/id6754387443)

Manage your business email with a fast, intuitive, and secure mobile client. Features smart security, instant notifications, and seamless syncing across devices. Customize your inbox with a profile picture, dark mode, and multi-language support.

**Highlights:** Smart security features, Instant notifications, Seamless device sync, Favorite messages, Quick swipe actions, Customizable inbox, Ad-free experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Instantly AI free?

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

### Is Spacemail free?

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

### Which has better reviews, Instantly AI or Spacemail?

Spacemail is rated higher. Instantly AI averages 2.9 out of 5 from 36 ratings, while Spacemail averages 4.7 from 369 ratings.

### Do Instantly AI or Spacemail have ads?

Neither Instantly AI nor Spacemail shows ads.

### Which is updated more often, Instantly AI or Spacemail?

Instantly AI ships an update every 2 months, and Spacemail every 5 days. Most recently, Instantly AI was updated on October 27, 2026 and Spacemail on October 30, 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.*