# Emilia vs KO Backlog

The clearest difference is in-app purchases: KO Backlog at none against Emilia's 2. KO Backlog also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (18.6 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. Emilia sells 2 one-off in-app purchases. KO Backlog asks for nothing beyond the download.

Emilia ships an update every 2 months, KO Backlog fortnightly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Emilia | KO Backlog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ko-backlog/id6780160980/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 10 MB | 69 MB |
| Requires iOS | 26.4 | **18.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [JULIEN DLUBALA](https://appshunter.io/developer/1868793414) | [Justin Noormand](https://appshunter.io/developer/6780161222) |

## What reviewers say

### Emilia

[App page](https://appshunter.io/ios/app/emilia-emulateur-retro/id6771063453)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Emilia PRO | $1.99 | one-time |


### KO Backlog

[App page](https://appshunter.io/ios/app/ko-backlog/id6780160980)

Organize your entire game library with this app. Track games across all platforms, add notes, rate your progress, and mark when you've completed them. Sync your data seamlessly across your iOS devices.

**Highlights:** Track games across all platforms, Rate and add notes to games, Mark games as beaten, Sync across iOS devices, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Emilia free?

Emilia is free to download, with in-app purchases available.

### Is KO Backlog free?

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

### Do Emilia or KO Backlog have ads?

Neither Emilia nor KO Backlog shows ads.

### Which is updated more often, Emilia or KO Backlog?

Emilia ships an update every 2 months, and KO Backlog fortnightly. Most recently, Emilia was updated on October 28, 2026 and KO Backlog on October 28, 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.*