# Acc.elerometer vs i

The clearest difference is update cadence: i at every 6 weeks against Acc.elerometer's every 20 months. i also leads on iOS requirement (13.0 vs 26.0). 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.

Acc.elerometer ships an update every 20 months, i every 6 weeks. The most recent releases landed on September 16, 2026 and June 13, 2026 respectively.

## The numbers

| Metric | Acc.elerometer | i |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 6 weeks** |
| Size | 10 MB | 22 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pantiukhin Andrei](https://appshunter.io/developer/1585711909) | [Arev Software GmbH](https://appshunter.io/developer/1783395162) |

## What reviewers say

### Acc.elerometer

[App page](https://appshunter.io/ios/app/accelerometer/id1631020465)

**Features:** macOS Compatibility

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-giftcard/id6751421835)

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

**In-app purchases:** none


## Frequently asked questions

### Is Acc.elerometer free?

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

### Is i free?

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

### Do Acc.elerometer or i have ads?

Neither Acc.elerometer nor i shows ads.

### Which is updated more often, Acc.elerometer or i?

Acc.elerometer ships an update every 20 months, and i every 6 weeks. Most recently, Acc.elerometer was updated on September 16, 2026 and i on June 13, 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.*