# MailJerry vs iKeleton OSC

The clearest difference is price: MailJerry at Free against iKeleton OSC's $4.99. MailJerry also leads on update cadence (monthly vs every 24 months). iKeleton OSC's advantage is rating (5.0 vs 4.2) and chart position (#182 vs unranked). On ratings volume, ads, in-app purchases and device support there is nothing between them.

MailJerry is free to download; iKeleton OSC costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iKeleton OSC holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

MailJerry ships an update monthly, iKeleton OSC every 24 months. The most recent releases landed on September 7, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | MailJerry | iKeleton OSC |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/mailjerry/id1559904096/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ikeleton-osc/id6448196217/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 24 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#182** |
| Size | 49 MB | 4 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CODE black Software GmbH](https://appshunter.io/developer/1292595503) | [Gwangyu Lee](https://appshunter.io/developer/1683904838) |

## What reviewers say

### MailJerry

[App page](https://appshunter.io/ios/app/mailjerry/id1559904096)

Effortlessly migrate your emails and mailboxes to a new provider without needing IT expertise. This tool securely copies your entire folder structure, synchronizes accounts after migration, and works with all major email services.

**Highlights:** Mailbox Sync, Migrate Emails & Folders, Works with All Providers, Bulk Migration, No Duplicates, Mailbox Health Check, 100% Secure

**Features:** Vision Pro support

**In-app purchases:** none


### iKeleton OSC

[App page](https://appshunter.io/ios/app/ikeleton-osc/id6448196217)

**Currently charting:** #182 Top Paid · Developer Tools (US App Store)

This app captures body tracking data and transmits it to other devices via OSC. It's ideal for creating multimedia content by integrating motion data with various devices. Requires an A12 Bionic processor or newer for body tracking.

**Highlights:** Body tracking data capture, OSC protocol transmission, Multimedia content creation, Cross-device data sharing, Requires A12 Bionic processor or newer

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

**In-app purchases:** none


## Frequently asked questions

### Is MailJerry free?

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

### Is iKeleton OSC free?

iKeleton OSC costs $4.99, with no in-app purchases.

### Which has better reviews, MailJerry or iKeleton OSC?

iKeleton OSC is rated higher. MailJerry averages 4.2 out of 5 from 5 ratings, while iKeleton OSC averages 5.0 from 3 ratings.

### Do MailJerry or iKeleton OSC have ads?

Neither MailJerry nor iKeleton OSC shows ads.

### Which is updated more often, MailJerry or iKeleton OSC?

MailJerry ships an update monthly, and iKeleton OSC every 24 months. Most recently, MailJerry was updated on September 7, 2026 and iKeleton OSC on September 19, 2026.

---

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