# eSends vs SKYSIM

The clearest difference is update cadence: eSends at every 2 weeks against SKYSIM's every 3 months. SKYSIM's advantage is iOS requirement (15.0 vs 17.0). On price, ads, 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.

eSends ships an update every 2 weeks, SKYSIM every 3 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | eSends | SKYSIM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 49 MB | 86 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ODESSYS TECH LTD](https://appshunter.io/developer/6773661693) | [Denma Willyando](https://appshunter.io/developer/6782069516) |

## What reviewers say

### eSends

[App page](https://appshunter.io/ios/app/esends/id6777058163)

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

**In-app purchases:** none


### SKYSIM

[App page](https://appshunter.io/ios/app/skysim/id6782069514)

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

**In-app purchases:** none


## Frequently asked questions

### Is eSends free?

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

### Is SKYSIM free?

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

### Do eSends or SKYSIM have ads?

Neither eSends nor SKYSIM shows ads.

### Which is updated more often, eSends or SKYSIM?

eSends ships an update every 2 weeks, and SKYSIM every 3 months. Most recently, eSends was updated on October 31, 2026 and SKYSIM on October 31, 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.*