# Engine Service Log vs SeyanAgenda

The clearest difference is price: SeyanAgenda at Free against Engine Service Log's $1.99. SeyanAgenda also leads on iOS requirement (13.0 vs 15.2). Engine Service Log's advantage is update cadence (every 4 months vs every 13 months). On ads, in-app purchases and device support there is nothing between them.

SeyanAgenda is free to download; Engine Service Log costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Engine Service Log ships an update every 4 months, SeyanAgenda every 13 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Engine Service Log | SeyanAgenda |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Size | 1 MB | 71 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James C Hendryx](https://appshunter.io/developer/1485136050) | [Reaham Badr](https://appshunter.io/developer/1608776130) |

## What reviewers say

### Engine Service Log

[App page](https://appshunter.io/ios/app/engine-service-log/id1602083172)

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

**In-app purchases:** none


### SeyanAgenda

[App page](https://appshunter.io/ios/app/seyanagenda/id6444338809)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Engine Service Log free?

Engine Service Log costs $1.99, with no in-app purchases.

### Is SeyanAgenda free?

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

### Do Engine Service Log or SeyanAgenda have ads?

Neither Engine Service Log nor SeyanAgenda shows ads.

### Which is updated more often, Engine Service Log or SeyanAgenda?

Engine Service Log ships an update every 4 months, and SeyanAgenda every 13 months. Most recently, Engine Service Log was updated on October 30, 2026 and SeyanAgenda on October 27, 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.*