# Notsure vs Studiary

The clearest difference is in-app purchases: Studiary at none against Notsure's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Notsure sells 1 in-app purchase, starting at $19.99 per year. Studiary asks for nothing beyond the download.

Notsure ships an update weekly, Studiary every 3 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Notsure | Studiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 3 MB | 196 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hsieh ChiaMing](https://appshunter.io/developer/1891046685) | [Yi Tse Lu](https://appshunter.io/developer/1880763239) |

## What reviewers say

### Notsure

[App page](https://appshunter.io/ios/app/notsure/id6761713945)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notsure Annual | $19.99 | per year |


### Studiary

[App page](https://appshunter.io/ios/app/studiary/id6789522509)

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

**In-app purchases:** none


## Frequently asked questions

### Is Notsure free?

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

### Is Studiary free?

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

### Do Notsure or Studiary have ads?

Neither Notsure nor Studiary shows ads.

### Which is updated more often, Notsure or Studiary?

Notsure ships an update weekly, and Studiary every 3 days. Most recently, Notsure was updated on October 28, 2026 and Studiary on October 24, 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.*