# IDMK vs SR

The clearest difference is ads: SR at none against IDMK's shown. IDMK's advantage is update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

IDMK ships an update every 2 days, SR every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | IDMK | SR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 58 MB | 22 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manjunandan Vernekar](https://appshunter.io/developer/1530961626) | [SuccessResources](https://appshunter.io/developer/857283919) |

## What reviewers say

### IDMK

[App page](https://appshunter.io/ios/app/idmk/id6745975669)

**Features:** macOS Compatibility

**In-app purchases:** none


### SR

[App page](https://appshunter.io/ios/app/sr-circle/id6751103734)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IDMK free?

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

### Is SR free?

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

### Do IDMK or SR have ads?

IDMK shows ads; SR does not.

### Which is updated more often, IDMK or SR?

IDMK ships an update every 2 days, and SR every 2 weeks. Most recently, IDMK was updated on October 30, 2026 and SR on October 30, 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.*