# i vs D

The clearest difference is ads: i at none against D's shown. D's advantage is update cadence (weekly vs every 24 months) and iOS requirement (12.0 vs 15.1). On price, 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.

i ships an update every 24 months, D weekly. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | i | D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 24 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 24 MB | 122 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rubber Industry Smallholders Development Authority (RISDA)](https://appshunter.io/developer/1565764100) | [Aim Force](https://appshunter.io/developer/1088656335) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-medic/id6720738883)

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

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-parks/id6742218290)

This app simplifies street parking in Dungun, Terengganu, by offering a smart, convenient solution. Users can easily reload their accounts within the application and pay for parking services. It aims to make the parking experience hassle-free for all.

**Highlights:** Hassle-free street parking, Smart parking solution, In-application reloading, Convenient payment options, Simplifies parking experience

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is D free?

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

### Do i or D have ads?

D shows ads; i does not.

### Which is updated more often, i or D?

i ships an update every 24 months, and D weekly. Most recently, i was updated on October 25, 2026 and D on October 19, 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.*