# iO vs ElksTimer

iO and ElksTimer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

iO ships an update every 7 months, ElksTimer every 4 months. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iO | ElksTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/io-fly/id1004071859/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 11 MB | 33 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lemonage Software](https://appshunter.io/developer/1004071858) | [Emmanuel Carter](https://appshunter.io/developer/1843251518) |

## What reviewers say

### iO

[App page](https://appshunter.io/ios/app/io-fly/id1004071859)

This application works with specific hardware to configure, calibrate, and monitor sensor and actuator devices that adhere to the IO-Link standard.

**Highlights:** Configure IO-Link devices, Calibrate sensor devices, Monitor actuator devices, Supports IO-Link standard, Works with iO-Fly hardware

**Features:** macOS Compatibility

**In-app purchases:** none


### ElksTimer

[App page](https://appshunter.io/ios/app/elkstimer/id1602317743)

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

**In-app purchases:** none


## Frequently asked questions

### Is iO free?

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

### Is ElksTimer free?

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

### Do iO or ElksTimer have ads?

Neither iO nor ElksTimer shows ads.

### Which is updated more often, iO or ElksTimer?

iO ships an update every 7 months, and ElksTimer every 4 months. Most recently, iO was updated on September 30, 2026 and ElksTimer on October 7, 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.*