# Messo vs AIDEA

Messo and AIDEA are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Messo ships an update every 4 days, AIDEA every 5 days. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Messo | AIDEA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 81 MB | 27 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stas Morozov](https://appshunter.io/developer/541842204) | [Seungjae YU](https://appshunter.io/developer/1786037630) |

## What reviewers say

### Messo

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

**Features:** macOS Compatibility

**In-app purchases:** none


### AIDEA

[App page](https://appshunter.io/ios/app/aidea-idea-survey/id6767673933)

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

**In-app purchases:** none


## Frequently asked questions

### Is Messo free?

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

### Is AIDEA free?

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

### Do Messo or AIDEA have ads?

Neither Messo nor AIDEA shows ads.

### Which is updated more often, Messo or AIDEA?

Messo ships an update every 4 days, and AIDEA every 5 days. Most recently, Messo was updated on October 9, 2026 and AIDEA on October 18, 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.*