# Runstamp vs SUNDAY GRIND

The clearest difference is ads: SUNDAY GRIND at none against Runstamp's shown. Runstamp's advantage is update cadence (every 4 days vs every 9 days). 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.

Runstamp ships an update every 4 days, SUNDAY GRIND every 9 days. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Runstamp | SUNDAY GRIND |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 9 days |
| Size | 72 MB | 94 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GUNHO KIM](https://appshunter.io/developer/1853328104) | [PushPress, Inc.](https://appshunter.io/developer/688595778) |

## What reviewers say

### Runstamp

[App page](https://appshunter.io/ios/app/runstamp/id6756704829)

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

**In-app purchases:** none


### SUNDAY GRIND

[App page](https://appshunter.io/ios/app/sunday-grind/id6800457987)

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

**In-app purchases:** none


## Frequently asked questions

### Is Runstamp free?

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

### Is SUNDAY GRIND free?

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

### Do Runstamp or SUNDAY GRIND have ads?

Runstamp shows ads; SUNDAY GRIND does not.

### Which is updated more often, Runstamp or SUNDAY GRIND?

Runstamp ships an update every 4 days, and SUNDAY GRIND every 9 days. Most recently, Runstamp was updated on October 9, 2026 and SUNDAY GRIND on October 12, 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.*