# Blue Sentry vs iStory

The clearest difference is update cadence: iStory at every 5 months against Blue Sentry's every 23 months. Blue Sentry's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, 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.

Blue Sentry ships an update every 23 months, iStory every 5 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Blue Sentry | iStory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (14 ratings)](https://appshunter.io/ios/app/istory-your-device-timeline/id6471365579/reviews)** |
| Number of ratings | — | **14** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 33 MB | 12 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Elbis](https://appshunter.io/developer/1455228882) | [Timelabs Ltd](https://appshunter.io/developer/1236402723) |

## What reviewers say

### Blue Sentry

[App page](https://appshunter.io/ios/app/blue-sentry/id1599079697)

**Features:** macOS Compatibility

**In-app purchases:** none


### iStory

[App page](https://appshunter.io/ios/app/istory-your-device-timeline/id6471365579)

Relive your digital history by exploring all the Apple devices you've owned and the memories captured with them. This app organizes your photos by device, provides insightful statistics, and allows you to export visual summaries of your tech journey.

**Highlights:** Device archive of owned Apple products, Photo timeline organized by device, Device and photo statistics, Exportable infographics, Offline use, Privacy-focused data collection

**In-app purchases:** none


## Frequently asked questions

### Is Blue Sentry free?

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

### Is iStory free?

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

### Do Blue Sentry or iStory have ads?

Neither Blue Sentry nor iStory shows ads.

### Which is updated more often, Blue Sentry or iStory?

Blue Sentry ships an update every 23 months, and iStory every 5 months. Most recently, Blue Sentry was updated on October 25, 2026 and iStory on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*