# あとで読む | URL Stacker vs Last Time Tracker

The clearest difference is ads: Last Time Tracker at none against あとで読む | URL Stacker's shown. あとで読む | URL Stacker's advantage is update cadence (every 2 days vs every 8 days) and iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

あとで読む | URL Stacker ships an update every 2 days, Last Time Tracker every 8 days. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | あとで読む | URL Stacker | Last Time Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 8 days |
| Size | 41 MB | 40 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NODGE Technologies inc.](https://appshunter.io/developer/1783916062) | [Masaki Ohya](https://appshunter.io/developer/1830690904) |

## What reviewers say

### あとで読む | URL Stacker

[App page](https://appshunter.io/ios/app/url-stacker/id6739153459)

**Features:** macOS Compatibility

**In-app purchases:** none


### Last Time Tracker

[App page](https://appshunter.io/ios/app/last-time-tracker-itsuburi/id6756417660)

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

**In-app purchases:** none


## Frequently asked questions

### Is あとで読む | URL Stacker free?

あとで読む | URL Stacker is free to download, with no in-app purchases.

### Is Last Time Tracker free?

Last Time Tracker is free to download, with no in-app purchases.

### Do あとで読む | URL Stacker or Last Time Tracker have ads?

あとで読む | URL Stacker shows ads; Last Time Tracker does not.

### Which is updated more often, あとで読む | URL Stacker or Last Time Tracker?

あとで読む | URL Stacker ships an update every 2 days, and Last Time Tracker every 8 days. Most recently, あとで読む | URL Stacker was updated on October 9, 2026 and Last Time Tracker on October 15, 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.*