# OTB Clock vs Day Counter

The clearest difference is in-app purchases: Day Counter at none against OTB Clock's 1. Day Counter also leads on update cadence (daily vs every 2 weeks) and iOS requirement (13.0 vs 17.0). OTB Clock's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. OTB Clock sells 1 in-app purchase, starting at $19.99 per year. Day Counter asks for nothing beyond the download.

OTB Clock ships an update every 2 weeks, Day Counter daily. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OTB Clock | Day Counter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 1 MB | 188 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杰 向](https://appshunter.io/developer/1860305678) | [Zehras Ahmele](https://appshunter.io/developer/6776544726) |

## What reviewers say

### OTB Clock

[App page](https://appshunter.io/ios/app/otb-clock/id6762344990)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Yearly | $19.99 | per year |


### Day Counter

[App page](https://appshunter.io/ios/app/day-counter-track-every-date/id6783647297)

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

**In-app purchases:** none


## Frequently asked questions

### Is OTB Clock free?

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

### Is Day Counter free?

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

### Do OTB Clock or Day Counter have ads?

Day Counter shows ads; OTB Clock does not.

### Which is updated more often, OTB Clock or Day Counter?

OTB Clock ships an update every 2 weeks, and Day Counter daily. Most recently, OTB Clock was updated on November 5, 2026 and Day Counter on October 28, 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.*