# HiOlink vs Backlog by Time Engine

The clearest difference is update cadence: HiOlink at every 4 days against Backlog by Time Engine's every 3 weeks. HiOlink also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.4). On price, ads 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.

HiOlink ships an update every 4 days, Backlog by Time Engine every 3 weeks. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | HiOlink | Backlog by Time Engine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 24 MB | 3 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Mohamed Rashad](https://appshunter.io/developer/1498581848) | [100-8 Studio](https://appshunter.io/developer/1436780503) |

## What reviewers say

### HiOlink

[App page](https://appshunter.io/ios/app/hiolink/id6470041579)

**Features:** macOS Compatibility

**In-app purchases:** none


### Backlog by Time Engine

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HiOlink free?

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

### Is Backlog by Time Engine free?

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

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

Neither HiOlink nor Backlog by Time Engine shows ads.

### Which is updated more often, HiOlink or Backlog by Time Engine?

HiOlink ships an update every 4 days, and Backlog by Time Engine every 3 weeks. Most recently, HiOlink was updated on September 11, 2026 and Backlog by Time Engine on September 19, 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.*