# D1 Journal vs DPI610E

The clearest difference is update cadence: DPI610E at every 11 months against D1 Journal's every 54 months. D1 Journal's advantage is iOS requirement (12.4 vs 15.0). On price, ads, 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.

D1 Journal ships an update every 54 months, DPI610E every 11 months. The most recent releases landed on May 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | D1 Journal | DPI610E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 54 months | **Every 11 months** |
| Size | 4 MB | 26 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ankush Girotra](https://appshunter.io/developer/1330355495) | [Baker Hughes Company](https://appshunter.io/developer/393570118) |

## What reviewers say

### D1 Journal

[App page](https://appshunter.io/ios/app/d1-journal/id1477148454)

**Features:** macOS Compatibility

**In-app purchases:** none


### DPI610E

[App page](https://appshunter.io/ios/app/dpi610e/id1610317737)

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

**In-app purchases:** none


## Frequently asked questions

### Is D1 Journal free?

D1 Journal is free to download, with no in-app purchases.

### Is DPI610E free?

DPI610E is free to download, with no in-app purchases.

### Do D1 Journal or DPI610E have ads?

Neither D1 Journal nor DPI610E shows ads.

### Which is updated more often, D1 Journal or DPI610E?

D1 Journal ships an update every 54 months, and DPI610E every 11 months. Most recently, D1 Journal was updated on May 19, 2026 and DPI610E on September 23, 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.*