# StampLog vs Today Clock

The clearest difference is in-app purchases: StampLog at none against Today Clock's 5. StampLog also leads on iOS requirement (15.0 vs 26.0). Today Clock's advantage is update cadence (every 8 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Today Clock sells 5 in-app purchases, starting at $1.99 per month. StampLog asks for nothing beyond the download.

StampLog ships an update every 5 months, Today Clock every 8 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | StampLog | Today Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 51 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi Abe](https://appshunter.io/developer/295852950) | [Yoshiki Minakata](https://appshunter.io/developer/1799916174) |

## What reviewers say

### StampLog

[App page](https://appshunter.io/ios/app/stamplog/id1466944797)

Easily track your daily routines and habits by simply tapping a stamp on the calendar. This app helps you visualize your progress and maintain consistency in your daily activities.

**Highlights:** Day-to-day routine logging, Habit continuation tracking, Simple stamp-based operation, Multiple sheet support for routines, Easy progress visualization

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

**In-app purchases:** none


### Today Clock

[App page](https://appshunter.io/ios/app/today-clock-analog-clock/id6754206804)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Today Plus | $1.99 | per month |
| Today Pro | $3.99 | per month |
| Today Plus | $14.99 | per year |
| Today Pro | $29.99 | per year |
| Pro Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is StampLog free?

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

### Is Today Clock free?

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

### Do StampLog or Today Clock have ads?

Both StampLog and Today Clock show ads.

### Which is updated more often, StampLog or Today Clock?

StampLog ships an update every 5 months, and Today Clock every 8 days. Most recently, StampLog was updated on November 3, 2026 and Today Clock on November 5, 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.*