# OshiLock vs CallStudio

The clearest difference is ads: CallStudio at none against OshiLock's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

OshiLock ships an update every 3 days, CallStudio every 4 days. The most recent releases landed on September 30, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | OshiLock | CallStudio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 66 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryota Sato](https://appshunter.io/developer/1896614970) | [Imaizumi Kei](https://appshunter.io/developer/1803264759) |

## What reviewers say

### OshiLock

[App page](https://appshunter.io/ios/app/oshilock/id6768906522)

Consolidate all your favorite idol's information in one place. This app uses AI to organize fan-submitted data, ensuring you never miss important events. Manage multiple favorites efficiently within a single, reliable community.

**Highlights:** AI-organized fan information, Event and media notifications, Multi-idol management, Categorized information feed, Calendar for saved events, Community comments and reporting

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

**In-app purchases:** none


### CallStudio

[App page](https://appshunter.io/ios/app/callstudio/id6772734655)

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

**In-app purchases:** none


## Frequently asked questions

### Is OshiLock free?

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

### Is CallStudio free?

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

### Do OshiLock or CallStudio have ads?

OshiLock shows ads; CallStudio does not.

### Which is updated more often, OshiLock or CallStudio?

OshiLock ships an update every 3 days, and CallStudio every 4 days. Most recently, OshiLock was updated on September 30, 2026 and CallStudio on September 11, 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.*