# Backlog by Time Engine vs WhatsDate

Backlog by Time Engine and WhatsDate are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 | WhatsDate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 3 MB | 2 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [100-8 Studio](https://appshunter.io/developer/1436780503) | [MANAN SHAH](https://appshunter.io/developer/1725656127) |

## 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


### WhatsDate

[App page](https://appshunter.io/ios/app/whatsdate/id6476070247)

**Features:** macOS Compatibility

**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 WhatsDate free?

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

### Do Backlog by Time Engine or WhatsDate have ads?

Neither Backlog by Time Engine nor WhatsDate shows ads.

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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.*