# StudIT Event vs SIPHER

The clearest difference is in-app purchases: StudIT Event at none against SIPHER's 5. StudIT Event also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. SIPHER sells 5 in-app purchases, starting at $5.99 per 7 days. StudIT Event asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | StudIT Event | SIPHER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sipher-invisible-messages/id6779144914/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 40 MB | 89 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [DATA MKEY](https://appshunter.io/developer/1860319099) | [YM Labs (FZC)](https://appshunter.io/developer/6778821381) |

## What reviewers say

### StudIT Event

[App page](https://appshunter.io/ios/app/studit-event/id6761062698)

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

**In-app purchases:** none


### SIPHER

[App page](https://appshunter.io/ios/app/sipher-invisible-messages/id6779144914)

This app allows you to create discreet conversations that appear normal on the surface, protecting your private messages. It generates realistic chat threads from a customizable keyboard, ensuring your privacy is maintained even when others are looking.

**Highlights:** Create cover conversations, Generate realistic chat threads, Discreet messaging from keyboard, Customizable cover topics, Privacy protection, Pro subscription for enhanced features

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sipher Weekly | $5.99 | per 7 days |
| Sipher Premium Weekly | $6.99 | per 7 days |
| Sipher Yearly Offer | $49.99 | per year |
| Sipher Premium Yearly | $69.99 | per year |
| Sipher Yearly | $99.99 | per year |


## Frequently asked questions

### Is StudIT Event free?

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

### Is SIPHER free?

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

### Do StudIT Event or SIPHER have ads?

Neither StudIT Event nor SIPHER shows ads.

### Which is updated more often, StudIT Event or SIPHER?

StudIT Event ships an update every 2 weeks, and SIPHER every 2 weeks. Most recently, StudIT Event was updated on October 14, 2026 and SIPHER on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*