# Plain vs Peekdo

The clearest difference is in-app purchases: Plain at none against Peekdo's 3. Peekdo's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Peekdo sells 3 in-app purchases, starting at $3.00 per month. Plain asks for nothing beyond the download.

Plain ships an update every 2 months, Peekdo weekly. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Plain | Peekdo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 58 MB | 22 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yana Tamkovich](https://appshunter.io/developer/1884326677) | [yoon seong dan](https://appshunter.io/developer/1515074308) |

## What reviewers say

### Plain

[App page](https://appshunter.io/ios/app/plain-habit-and-routine-tracker/id6760410661)

**In-app purchases:** none


### Peekdo

[App page](https://appshunter.io/ios/app/peekdo-lock-screen-to-do-list/id6799328929)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.00 | per month |
| Premium Yearly | $24.00 | per year |
| Premium Lifetime | $36.00 | one-time |


## Frequently asked questions

### Is Plain free?

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

### Is Peekdo free?

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

### Do Plain or Peekdo have ads?

Neither Plain nor Peekdo shows ads.

### Which is updated more often, Plain or Peekdo?

Plain ships an update every 2 months, and Peekdo weekly. Most recently, Plain was updated on October 25, 2026 and Peekdo on November 6, 2026.

---

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