# Ideas Down Quickly vs Zem

The clearest difference is in-app purchases: Ideas Down Quickly at none against Zem's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Zem sells 2 in-app purchases, starting at $4.99 per month. Ideas Down Quickly asks for nothing beyond the download.

Ideas Down Quickly ships an update every 11 days, Zem every 10 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Ideas Down Quickly | Zem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ideas-down-quickly/id6529524065/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 10 days** |
| Monetization | Free | — |
| Size | 23 MB | 46 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Travis Bumgarner](https://appshunter.io/developer/1755803995) | [Dominik Nowara](https://appshunter.io/developer/1830582103) |

## What reviewers say

### Ideas Down Quickly

[App page](https://appshunter.io/ios/app/ideas-down-quickly/id6529524065)

Capture thoughts instantly with this frictionless note-taking app. Organize ideas into categories and find them quickly. Prioritizes privacy with offline functionality and on-device storage.

**Highlights:** Zero-friction capture, Simple organization, Easy browsing, Offline functionality, On-device storage, Open source

**Features:** macOS Compatibility

**In-app purchases:** none


### Zem

[App page](https://appshunter.io/ios/app/zem-adhd-to-do-and-planner/id6767013272)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $4.99 | per month |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Ideas Down Quickly free?

Ideas Down Quickly is free to download, with no in-app purchases.

### Is Zem free?

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

### Do Ideas Down Quickly or Zem have ads?

Neither Ideas Down Quickly nor Zem shows ads.

### Which is updated more often, Ideas Down Quickly or Zem?

Ideas Down Quickly ships an update every 11 days, and Zem every 10 days. Most recently, Ideas Down Quickly was updated on November 4, 2026 and Zem on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*