# ByCustody vs 183 Days

The clearest difference is in-app purchases: ByCustody at none against 183 Days's 1. ByCustody also leads on iOS requirement (13.0 vs 26.1). 183 Days's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 183 Days sells 1 one-off in-app purchase. ByCustody asks for nothing beyond the download.

ByCustody ships an update every 2 months, 183 Days weekly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ByCustody | 183 Days |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 29 MB | 1 MB |
| Requires iOS | **13.0** | 26.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Bycustody Sdn. Bhd.](https://appshunter.io/developer/6794194500) | [Canis Majoris Trading and Business LLP](https://appshunter.io/developer/1863405159) |

## What reviewers say

### ByCustody

[App page](https://appshunter.io/ios/app/bycustody/id6754602018)

**Features:** macOS Compatibility

**In-app purchases:** none


### 183 Days

[App page](https://appshunter.io/ios/app/183-days/id6756880027)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $7.99 | one-time |


## Frequently asked questions

### Is ByCustody free?

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

### Is 183 Days free?

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

### Do ByCustody or 183 Days have ads?

Neither ByCustody nor 183 Days shows ads.

### Which is updated more often, ByCustody or 183 Days?

ByCustody ships an update every 2 months, and 183 Days weekly. Most recently, ByCustody was updated on October 25, 2026 and 183 Days on October 30, 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.*