# Synth I.A. vs InstaRSS

The clearest difference is in-app purchases: InstaRSS at none against Synth I.A.'s 1. InstaRSS also leads on update cadence (daily vs every 6 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Synth I.A. sells 1 in-app purchase, starting at $4.99 per month. InstaRSS asks for nothing beyond the download.

Synth I.A. ships an update every 6 days, InstaRSS daily. The most recent releases landed on October 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Synth I.A. | InstaRSS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Daily** |
| Size | 16 MB | 7 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Maxime Pontoire](https://appshunter.io/developer/525396222) | [Webisso LLC](https://appshunter.io/developer/1840724828) |

## What reviewers say

### Synth I.A.

[App page](https://appshunter.io/ios/app/synth-ia/id6745096328)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $4.99 | per month |


### InstaRSS

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Synth I.A. free?

Synth I.A. is free to download, with in-app purchases available.

### Is InstaRSS free?

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

### Do Synth I.A. or InstaRSS have ads?

Neither Synth I.A. nor InstaRSS shows ads.

### Which is updated more often, Synth I.A. or InstaRSS?

Synth I.A. ships an update every 6 days, and InstaRSS daily. Most recently, Synth I.A. was updated on October 25, 2026 and InstaRSS on September 30, 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.*