# SD401 vs Num Count

The clearest difference is price: SD401 at Free against Num Count's $0.99. SD401 also leads on update cadence (every 5 months vs every 21 months) and iOS requirement (15.5 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

SD401 is free to download; Num Count costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SD401 ships an update every 5 months, Num Count every 21 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SD401 | Num Count |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 21 months |
| Size | 25 MB | 18 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Owen Brown](https://appshunter.io/developer/979499266) | [Kensuke Hoshikawa](https://appshunter.io/developer/733552122) |

## What reviewers say

### SD401

[App page](https://appshunter.io/ios/app/sd401/id979499267)

**Features:** macOS Compatibility

**In-app purchases:** none


### Num Count

[App page](https://appshunter.io/ios/app/num-count-up/id1336096365)

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

**In-app purchases:** none


## Frequently asked questions

### Is SD401 free?

SD401 is free to download, with no in-app purchases.

### Is Num Count free?

Num Count costs $0.99, with no in-app purchases.

### Do SD401 or Num Count have ads?

Neither SD401 nor Num Count shows ads.

### Which is updated more often, SD401 or Num Count?

SD401 ships an update every 5 months, and Num Count every 21 months. Most recently, SD401 was updated on October 9, 2026 and Num Count on October 7, 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.*