Comparison

Backlog by Time Engine vs KBoard

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Backlog by Time Engine

Time-based backlog to-do list

About

Backlog by Time Engine

Features

Read full description

Backlog is a time based todo list, add an backlog, add items and subitems to it, associate it with a time amount representing a how much it will take to be done with it. Backlog adds all your items time and show how much workload you have. Simply check and uncheck items, move them to prioritize them or delete them.

About

KBoard

Features

Read full description

Powerful Kanban with recursive capability.

Screenshots

Backlog by Time Engine4 screens

KBoard3 screens

Verdict

The call

The clearest difference is update cadence: KBoard at daily against Backlog by Time Engine's every 3 weeks. Backlog by Time Engine's advantage is iOS requirement (16.4 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Backlog by Time Engine ships an update every 3 weeks, KBoard daily. Both last shipped on October 7, 2026.

Scorecard2 real differences · 4 level

Backlog by Time Engine versus KBoard: the parameters behind the verdict, then further details
Parameter	Backlog by Time Engine	KBoard
Price	Free	Free
Update frequency	Every 3 weeks	Daily — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone, iPad — better
Requires iOS	16.4 — better	26.2
Further details — not scored
Size	3 MB	3 MB
Age rating	4+	4+
Developer	100-8 Studio	Chung Kwan Chan

In-app purchases

None

Backlog by Time Engine

No in-app purchases

None

KBoard

No in-app purchases

Questions

Is Backlog by Time Engine free?

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

Is KBoard free?

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

Do Backlog by Time Engine or KBoard have ads?

Neither Backlog by Time Engine nor KBoard shows ads.

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

Backlog by Time Engine ships an update every 3 weeks, and KBoard daily. Most recently, Backlog by Time Engine was updated on October 7, 2026 and KBoard on October 7, 2026.