# Doctus vs Instash

The clearest difference is in-app purchases: Instash at none against Doctus's 2. Instash also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Doctus sells 2 in-app purchases, starting at $6.99 per month. Instash asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Doctus | Instash |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | Every 10 days |
| Size | 93 MB | 7 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Doctus App](https://appshunter.io/developer/1862751416) | [Tanishq Jain](https://appshunter.io/developer/1896529288) |

## What reviewers say

### Doctus

[App page](https://appshunter.io/ios/app/doctus-microlearning/id6756780930)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Doctus+ Monthly | $6.99 | per month |
| Doctus+ Yearly | $69.99 | per year |


### Instash

[App page](https://appshunter.io/ios/app/instash-microlearning-content/id6768005995)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Doctus free?

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

### Is Instash free?

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

### Do Doctus or Instash have ads?

Neither Doctus nor Instash shows ads.

### Which is updated more often, Doctus or Instash?

Doctus ships an update every 10 days, and Instash every 10 days. Most recently, Doctus was updated on October 19, 2026 and Instash on October 16, 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.*