# Bytsyzd vs PrepAiro

The clearest difference is in-app purchases: Bytsyzd at none against PrepAiro's 37. PrepAiro's advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. PrepAiro sells 29 in-app purchases, starting at $0.99 per 7 days. Bytsyzd asks for nothing beyond the download.

## The numbers

| Metric | Bytsyzd | PrepAiro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 92.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 264 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KHUB TECHNOLOGIES](https://appshunter.io/developer/1736265158) | [PrepAIro](https://appshunter.io/developer/1795391659) |

## What reviewers say

### Bytsyzd

[App page](https://appshunter.io/ios/app/bytsyzd/id6741014261)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrepAiro

[App page](https://appshunter.io/ios/app/prepairo-crack-upsc-cse/id6741750813)

This app offers comprehensive preparation for the UPSC Civil Services Exam with AI-powered learning tools. It features voice-based doubt solving, extensive video lessons, mock tests, and AI-driven answer evaluation to help aspirants master Prelims and Mains.

**Highlights:** AI Voice Mentor for doubt solving, 2000+ video lessons, 10 Lakh+ UPSC MCQs, AI Mains Answer Evaluation, Daily Current Affairs, PYQs, NCERTs, and Mock Tests, Personalized study plans

**In-app purchases (29)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepAiro Plus Weekly | $0.99 | per 7 days |
| PrepAiro Plus Monthly | $1.99 | per month |
| PrepAiro Plus Monthly | $2.99 | per month |
| PrepAiro Monthly Plan | $2.99 | per month |
| PrepAiro Plus Monthly | $3.99 | per month |
| PrepAiro Plus Monthly | $7.99 | per month |
| PrepAiro Plus Monthly Plan 899 | $8.99 | per month |
| PrepAiro Plus Monthly Plan | $9.99 | per month |
| PrepAiro Plus Yearly | $9.99 | per year |
| PrepAiro Plus Yearly | $19.99 | per year |
| PrepAiro Plus Target 2026 | $7.99 | one-time |
| PrepAiro Prelims Mock Test Series | $7.99 | one-time |
| PrepAiro Plus Yearly | $8.99 | one-time |
| PrepAiro Yearly Plan | $9.99 | one-time |
| PrepAiro Plus Target 2026 | $9.99 | one-time |
| PrepAiro Plus Yearly | $9.99 | one-time |
| PrepAiro Pro Yearly | $11.99 | one-time |
| PrepAiro Pro Plan | $14.99 | one-time |
| PrepAiro Plus Yearly | $14.99 | one-time |
| PrepAiro Plus Target 2027 | $19.99 | one-time |
| PrepAiro Yearly Plan | $19.99 | one-time |
| PrepAiro Yearly Plan | $22.99 | one-time |
| PrepAiro Plus Target 2027 | $24.99 | one-time |
| Upgrade to 2028 Prep | $29.99 | one-time |
| PrepAiro Yearly Plan | $29.99 | one-time |
| PrepAiro Plus Target 2027 | $34.99 | one-time |
| PrepAiro Plus Target 2027 | $39.99 | one-time |
| PrepAiro Yearly Plan | $39.99 | one-time |
| PrepAiro Plus Target 2028 | $79.99 | one-time |


## Frequently asked questions

### Is Bytsyzd free?

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

### Is PrepAiro free?

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

### Do Bytsyzd or PrepAiro have ads?

Neither Bytsyzd nor PrepAiro shows ads.

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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.*