# Researchly vs Stackby 2.0

The clearest difference is in-app purchases: Stackby 2.0 at none against Researchly's 4. Stackby 2.0 also leads on update cadence (monthly vs every 4 months) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Researchly sells 4 in-app purchases, starting at $0.99 per month. Stackby 2.0 asks for nothing beyond the download.

Researchly ships an update every 4 months, Stackby 2.0 monthly. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Researchly | Stackby 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 28 MB | 53 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tridib Banerjee](https://appshunter.io/developer/1842563648) | [Relytree Technologies Pvt. Ltd](https://appshunter.io/developer/1528175769) |

## What reviewers say

### Researchly

[App page](https://appshunter.io/ios/app/researchly/id6753112540)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $0.99 | per month |
| Max (Monthly) | $4.99 | per month |
| Pro (Yearly) | $9.99 | per year |
| Max (Yearly) | $49.99 | per year |


### Stackby 2.0

[App page](https://appshunter.io/ios/app/stackby-20/id6790438013)

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

**In-app purchases:** none


## Frequently asked questions

### Is Researchly free?

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

### Is Stackby 2.0 free?

Stackby 2.0 is free to download, with no in-app purchases.

### Do Researchly or Stackby 2.0 have ads?

Neither Researchly nor Stackby 2.0 shows ads.

### Which is updated more often, Researchly or Stackby 2.0?

Researchly ships an update every 4 months, and Stackby 2.0 monthly. Most recently, Researchly was updated on October 5, 2026 and Stackby 2.0 on October 17, 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.*