# Ridapad vs Zerogram

The clearest difference is device support: Ridapad at 3 against Zerogram's 1. Ridapad also leads on iOS requirement (11.0 vs 16.0). 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.

Ridapad ships an update every 3 days, Zerogram every 2 days. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Ridapad | Zerogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (9 ratings)](https://appshunter.io/ios/app/zerogram/id6792581455/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 101 MB | 191 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Nobzo Ent.](https://appshunter.io/developer/1674168558) | [MERIC KARACA](https://appshunter.io/developer/1896608961) |

## What reviewers say

### Ridapad

[App page](https://appshunter.io/ios/app/ridapad/id6445847054)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zerogram

[App page](https://appshunter.io/ios/app/zerogram/id6792581455)

This is a free, independent Telegram client designed for blind and low-vision users. It offers full compatibility with screen readers, allowing seamless communication through chats, groups, and channels.

**Highlights:** Screen reader compatibility, Secure login, Full chat functionality, Voice message recording, Media and document sharing, Message management, Customizable appearance

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

**In-app purchases:** none


## Frequently asked questions

### Is Ridapad free?

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

### Is Zerogram free?

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

### Do Ridapad or Zerogram have ads?

Neither Ridapad nor Zerogram shows ads.

### Which is updated more often, Ridapad or Zerogram?

Ridapad ships an update every 3 days, and Zerogram every 2 days. Most recently, Ridapad was updated on September 29, 2026 and Zerogram on October 10, 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.*