# Backlog by Time Engine vs Kidventory by Jumbula

The clearest difference is iOS requirement: Kidventory by Jumbula at 12.0 against Backlog by Time Engine's 16.4. On price 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.

## The numbers

| Metric | Backlog by Time Engine | Kidventory by Jumbula |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 3 MB | 35 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [100-8 Studio](https://appshunter.io/developer/1436780503) | [jumbula](https://appshunter.io/developer/1145983230) |

## What reviewers say

### Backlog by Time Engine

[App page](https://appshunter.io/ios/app/backlog-by-time-engine/id6470202026)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kidventory by Jumbula

[App page](https://appshunter.io/ios/app/kidventory-by-jumbula/id6499470568)

**In-app purchases:** none


## Frequently asked questions

### Is Backlog by Time Engine free?

Backlog by Time Engine is free to download, with no in-app purchases.

### Is Kidventory by Jumbula free?

Kidventory by Jumbula is free to download, with no in-app purchases.

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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.*