# KitKitApp vs Stamp

The clearest difference is in-app purchases: Stamp at none against KitKitApp's 2. Stamp also leads on iOS requirement (15.1 vs 26.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. KitKitApp sells 2 in-app purchases, starting at $4.99 per month. Stamp asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for KitKitApp against 5.0 for Stamp. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

KitKitApp ships an update fortnightly, Stamp every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | KitKitApp | Stamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/kitkitapp/id6746134522/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/stamp-calendar-logger/id6761705643/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Freemium | **Free** |
| Size | 20 MB | 39 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Brait](https://appshunter.io/developer/1792369311) | [Robert Piovesan](https://appshunter.io/developer/1609349291) |

## What reviewers say

### KitKitApp

[App page](https://appshunter.io/ios/app/kitkitapp/id6746134522)

Build custom collections of mini-apps designed to solve specific problems and boost your productivity. Share these "kits" with others for local use on any device, ensuring your data remains private and secure with fast, offline operation.

**Highlights:** Create custom mini-app collections, Solve specific problems with kits, Share kits with friends and colleagues, Run kits locally on any device, Ensure data privacy and security, Lightning-fast offline operation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KitKit Premium Subscription | $4.99 | per month |
| kitkit credits | $4.99 | one-time |


### Stamp

[App page](https://appshunter.io/ios/app/stamp-calendar-logger/id6761705643)

This app automatically logs your non-meeting activities, like reading or exercise, as calendar events. It offers a one-tap timer for manual logging and integrates with Strava and Whoop for seamless workout and sleep tracking. Your calendar will finally reflect your entire day.

**Highlights:** One-tap start/stop timer, Strava integration for workouts, Whoop integration for sleep and recovery, Syncs with Apple, Google, and Outlook Calendar, Customizable activities with names and colors, Live Activity on Lock Screen and Dynamic Island

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KitKitApp free?

KitKitApp is free to download, with in-app purchases available.

### Is Stamp free?

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

### Which has better reviews, KitKitApp or Stamp?

KitKitApp and Stamp are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do KitKitApp or Stamp have ads?

Neither KitKitApp nor Stamp shows ads.

### Which is updated more often, KitKitApp or Stamp?

KitKitApp ships an update fortnightly, and Stamp every 3 weeks. Most recently, KitKitApp was updated on October 24, 2026 and Stamp on October 24, 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.*