# Polymail vs Bústólpi

The clearest difference is update cadence: Polymail at fortnightly against Bústólpi's monthly. Bústólpi's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Polymail ships an update fortnightly, Bústólpi monthly. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Polymail | Bústólpi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (86 ratings)](https://appshunter.io/ios/app/polymail-email-inbox/id1082058386/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 62.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 20 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polymail, Inc.](https://appshunter.io/developer/1082058385) | [Bústólpi ehf](https://appshunter.io/developer/1574398411) |

## What reviewers say

### Polymail

[App page](https://appshunter.io/ios/app/polymail-email-inbox/id1082058386)

This app acts as an email command center for professionals, offering features like real-time open tracking, scheduled sends, and message snoozing. It helps users manage their inbox efficiently for sales, fundraising, and deal-making.

**Highlights:** Real-time open tracking, Scheduled email sends, Snooze messages, Swipe actions for organization, Contact data and social context, Templates and reminders, Attachment and click tracking

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth and intuitive interface
- 📨 Reliable email tracking and notifications
- 🔒 Secure and private
- 👍 Helpful features like send later and read later
- 💻 Seamless sync between mobile and desktop apps

**What reviewers complain about**

- 🐛 Buggy and unreliable sync between devices
- 🔍 Inconsistent search and email loading issues
- 💰 Expensive paid plans compared to alternatives
- 🔒 Privacy concerns around data collection

**Reported bugs**

- Frequent app crashes and freezes
- Unread email count not syncing properly
- Deleted emails reappearing in inbox
- Issues with email attachments and formatting

**Requested features**

- Customizable email templates
- Advanced email organization tools (e.g. flags, categories)
- Support for more email providers (IMAP, Exchange, etc.)
- Improved mobile app stability and performance


### Bústólpi

[App page](https://appshunter.io/ios/app/bustolpi/id1574398409)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Polymail free?

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

### Is Bústólpi free?

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

### Do Polymail or Bústólpi have ads?

Neither Polymail nor Bústólpi shows ads.

### Which is updated more often, Polymail or Bústólpi?

Polymail ships an update fortnightly, and Bústólpi monthly. Most recently, Polymail was updated on October 19, 2026 and Bústólpi on October 12, 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.*