# E vs Tech Logbook By DCR

The clearest difference is in-app purchases: E at none against Tech Logbook By DCR's 1. Tech Logbook By DCR's advantage is update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tech Logbook By DCR sells 1 in-app purchase, starting at $8.99 per year. E asks for nothing beyond the download.

E ships an update every 4 months, Tech Logbook By DCR monthly. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | E | Tech Logbook By DCR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 110 MB | 20 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Convenio AB](https://appshunter.io/developer/977691081) | [CYRIL DEPECKER](https://appshunter.io/developer/1837250136) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-grc/id1498410151)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tech Logbook By DCR

[App page](https://appshunter.io/ios/app/tech-logbook-by-dcr/id6752611583)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $8.99 | per year |


## Frequently asked questions

### Is E free?

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

### Is Tech Logbook By DCR free?

Tech Logbook By DCR is free to download, with in-app purchases available.

### Do E or Tech Logbook By DCR have ads?

Neither E nor Tech Logbook By DCR shows ads.

### Which is updated more often, E or Tech Logbook By DCR?

E ships an update every 4 months, and Tech Logbook By DCR monthly. Most recently, E was updated on October 17, 2026 and Tech Logbook By DCR on October 12, 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.*