# Bullet Flow vs Messo

The clearest difference is in-app purchases: Messo at none against Bullet Flow's 2. Messo also leads on update cadence (every 4 days vs every 5 months). Bullet Flow's advantage is iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Bullet Flow sells 2 in-app purchases, starting at $2.99 per month. Messo asks for nothing beyond the download.

Bullet Flow ships an update every 5 months, Messo every 4 days. The most recent releases landed on September 26, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Bullet Flow | Messo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 3 MB | 81 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [艳飞 秦](https://appshunter.io/developer/1535312831) | [Stas Morozov](https://appshunter.io/developer/541842204) |

## What reviewers say

### Bullet Flow

[App page](https://appshunter.io/ios/app/bullet-flow/id6752284746)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |


### Messo

[App page](https://appshunter.io/ios/app/messo-to-do-notes-tasks/id6758547513)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bullet Flow free?

Bullet Flow is free to download, with in-app purchases available.

### Is Messo free?

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

### Do Bullet Flow or Messo have ads?

Neither Bullet Flow nor Messo shows ads.

### Which is updated more often, Bullet Flow or Messo?

Bullet Flow ships an update every 5 months, and Messo every 4 days. Most recently, Bullet Flow was updated on September 26, 2026 and Messo on September 7, 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.*