# PrimeTimeline vs History Lib

The clearest difference is device support: History Lib at 3 against PrimeTimeline's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 31, 2026.

## The numbers

| Metric | PrimeTimeline | History Lib |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 4 MB | 5 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Takayuki Hamuro](https://appshunter.io/developer/1875707249) | [建谌 潘](https://appshunter.io/developer/1858767683) |

## What reviewers say

### PrimeTimeline

[App page](https://appshunter.io/ios/app/primetimeline/id6760607676)

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

**In-app purchases:** none


### History Lib

[App page](https://appshunter.io/ios/app/history-lib/id6761198319)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PrimeTimeline free?

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

### Is History Lib free?

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

### Do PrimeTimeline or History Lib have ads?

Neither PrimeTimeline nor History Lib shows ads.

### Which is updated more often, PrimeTimeline or History Lib?

PrimeTimeline ships an update monthly, and History Lib monthly. Most recently, PrimeTimeline was updated on October 31, 2026 and History Lib on October 31, 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.*