Comparison

One Thing vs Chain Track

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

Head to head
About

One Thing

Features
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One Thing: Just One is a calmer way to move through your day. Instead of building another overwhelming list, choose the one task that matters most right now. Give it your attention with a quiet focus timer, then close out the day with a few honest words about how it went. • Choose one meaningful task for today • Create protected time with a simple focus timer • Mark the task complete or skip it without judgment • Capture your mood and a short reflection • Look back on past days, priorities, and reflections No scores. No streak pressure. Just one thing at a time.

About

Chain Track

Features
Read full description

Build better routines, one check-in at a time. ChainTrack turns everyday habits into clear, motivating streaks. Add the habits that matter, choose a schedule, and check in with a tap. See your momentum grow as small actions become a routine. Stay focused with: • A simple Today view for the habits in front of you • Daily and weekly schedules that fit your life • Streaks and progress rings to keep momentum visible • Calendar history and insights to help you spot patterns • Ready-to-use templates for getting started quickly • Notes for reflecting on your progress • Milestones and achievements to celebrate consistency • Active, archived, and organized habit lists Whether you are starting one small habit or building a complete routine, ChainTrack helps you show up consistently and keep your chain moving. Start small. Check in. Keep going.

Screenshots

One Thing4 screens
Chain Track4 screens

Verdict

The call

One Thing and Chain Track 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.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

ScorecardNo meaningful differences
One Thing versus Chain Track: the parameters behind the verdict, then further details
ParameterOne ThingChain Track
PriceFreeFree
Update frequency—Every 4 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperNguyen Thi Kim ChungABC TechNO.

In-app purchases

None

One Thing

No in-app purchases

None

Chain Track

No in-app purchases

Questions

Is One Thing free?
One Thing is free to download, with no in-app purchases.
Is Chain Track free?
Chain Track is free to download, with no in-app purchases.
Do One Thing or Chain Track have ads?
Neither One Thing nor Chain Track shows ads.

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