# InstaRSS vs TrimTabs

The clearest difference is device support: TrimTabs at 4 against InstaRSS's 2. TrimTabs also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

InstaRSS ships an update daily, TrimTabs every 2 days. The most recent releases landed on September 30, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | InstaRSS | TrimTabs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Size | 7 MB | 3 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Webisso LLC](https://appshunter.io/developer/1840724828) | [justin beech](https://appshunter.io/developer/1869146075) |

## What reviewers say

### InstaRSS

[App page](https://appshunter.io/ios/app/instarss/id6758291934)

**Features:** macOS Compatibility

**In-app purchases:** none


### TrimTabs

[App page](https://appshunter.io/ios/app/trimtabs/id6759307090)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is InstaRSS free?

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

### Is TrimTabs free?

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

### Do InstaRSS or TrimTabs have ads?

Neither InstaRSS nor TrimTabs shows ads.

### Which is updated more often, InstaRSS or TrimTabs?

InstaRSS ships an update daily, and TrimTabs every 2 days. Most recently, InstaRSS was updated on September 30, 2026 and TrimTabs on October 18, 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.*