# SayMemo vs IDEON

The clearest difference is update cadence: SayMemo at every 3 days against IDEON's weekly. IDEON's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SayMemo sells 3 one-off in-app purchases and IDEON sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SayMemo ships an update every 3 days, IDEON weekly. The most recent releases landed on October 30, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | SayMemo | IDEON |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 69.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Freemium |
| Size | 28 MB | 111 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seungjae YU](https://appshunter.io/developer/1786037630) | [Ko-real](https://appshunter.io/developer/1786296388) |

## What reviewers say

### SayMemo

[App page](https://appshunter.io/ios/app/saymemo/id6739566354)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite 10 | $0.99 | one-time |
| Lite 100 | $4.99 | one-time |
| Lite 500 | $19.99 | one-time |


### IDEON

[App page](https://appshunter.io/ios/app/ideon-bookmark-image-manager/id6739609032)

This app acts as a central hub for all your digital information, including links and screenshots. It uses AI to automatically organize and categorize your saved content, helping you manage and actually consume the articles you bookmark.

**Highlights:** AI-powered organization, Centralized information storage, Automatic content sorting, Weekly article summaries, Automatic removal of unread items, Save links and screenshots

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 월간 멤버십 | $2.99 | per month |
| 연간 멤버십 | $29.99 | per year |


## Frequently asked questions

### Is SayMemo free?

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

### Is IDEON free?

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

### Do SayMemo or IDEON have ads?

Neither SayMemo nor IDEON shows ads.

### Which is updated more often, SayMemo or IDEON?

SayMemo ships an update every 3 days, and IDEON weekly. Most recently, SayMemo was updated on October 30, 2026 and IDEON on November 2, 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.*