Daylio vs Day One: which app has fewer problems?
We compared 500 recent App Store reviews of Daylio and 300 recent App Store reviews of Day One, each classified by AI into 7 complaint themes (latest review 2026-10-22). Daylio has fewer complaints overall: 13% of its recent reviews contain a complaint, vs 34% for Day One.
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Ratings at a glance
| App | All-time US rating | Ratings | Avg in our sample | Reviews analysed | Reviews with a complaint | Sample dates |
|---|---|---|---|---|---|---|
| Daylio | 4.8★ | 62k | 4.52★ | 500 | 13% | 2026-02-20 – 2026-10-22 (245 d) |
| Day One | 4.8★ | 119k | 3.84★ | 300 | 34% | 2024-02-15 – 2026-10-20 (979 d) |
Complaint themes side by side
| Theme | Daylio | Day One |
|---|---|---|
| Bugs | 6% (32) | 20% (60) |
| Crashes / freezes | 0% (2) | 8% (25) |
| Performance | 1% (5) | 6% (19) |
| UX / design | 4% (18) | 7% (20) |
| Pricing / subscription | 5% (25) | 14% (41) |
| Ads | 0% (1) | 1% (3) |
| Feature requests | 9% (44) | 12% (36) |
Verdict: which one has fewer problems?
Across the latest 800 App Store reviews we collected, Daylio has the lower share of reviews with a complaint (13%) and Day One the higher (34%). The biggest single difference is in bug complaints: 20% of Day One reviews mention them, vs 6% for Daylio. Each app's own biggest complaint theme: Daylio, feature requests (44 reviews); Day One, bugs (60 reviews). Average star rating in the samples: 4.52★ (Daylio) vs 3.84★ (Day One). Time span of each sample: Daylio 245 days (2026-02-20 to 2026-10-22); Day One 979 days (2024-02-15 to 2026-10-20). Because Daylio's sample covers a much shorter period, a single recent update or outage weighs more heavily in its numbers.
- Fewer bug problems: Daylio, 6% of its reviews vs 20% for Day One.
- Fewer crash and freeze problems: Daylio, 0% of its reviews vs 8% for Day One.
- Fewer performance (slowness, battery, storage) problems: Daylio, 1% of its reviews vs 6% for Day One.
- Fewer UX / design problems: Daylio, 4% of its reviews vs 7% for Day One.
- Fewer pricing and subscription problems: Daylio, 5% of its reviews vs 14% for Day One.
- Ad complaints: roughly tied (Daylio 0%, Day One 1% of reviews).
- Fewest feature requests: Daylio, 9% of its reviews vs 12% for Day One.
Top 3 specific issues for each app
Daylio
- Stop data / progress loss (16 reviews, severity 2.3/3)
- Ship the most requested feature (17 reviews, severity 1.6/3)
- Soften the redesign backlash (12 reviews, severity 1.7/3)
Day One
- Soften the redesign backlash (29 reviews, severity 2.3/3)
- Justify or adjust the price (24 reviews, severity 2.2/3)
- Stop data / progress loss (20 reviews, severity 2.4/3)
FAQ
Which has fewer problems overall: Daylio or Day One?
In the most recent App Store reviews we analysed, Daylio had the lower share of reviews with a complaint (13% of 500) and Day One the higher (34% of 300).
Which has fewer bug complaints: Daylio or Day One?
Daylio. Daylio: 32 of 500 recent reviews (6%); Day One: 60 of 300 recent reviews (20%).
Which has fewer crash and freeze complaints: Daylio or Day One?
Daylio. Daylio: 2 of 500 recent reviews (0%); Day One: 25 of 300 recent reviews (8%).
Which has fewer pricing and subscription complaints: Daylio or Day One?
Daylio. Daylio: 25 of 500 recent reviews (5%); Day One: 41 of 300 recent reviews (14%).
Which has fewer ad complaints: Daylio or Day One?
In our samples they are roughly tied: Daylio: 1 of 500 recent reviews (0%); Day One: 3 of 300 recent reviews (1%).
Which is rated higher on the App Store: Daylio or Day One?
All-time US App Store ratings: Daylio 4.8★ from 62k ratings; Day One 4.8★ from 119k ratings. Day One is higher, but all-time ratings move slowly; the recent-review samples above show current problems.
What is the most common complaint about Daylio and Day One?
Daylio: feature requests (44 of 500 reviews), top-ranked fix: “stop data / progress loss”; Day One: bugs (60 of 300 reviews), top-ranked fix: “soften the redesign backlash”.
Full reports
- Daylio reviews: top complaints and what users want fixed
- Day One reviews: top complaints and what users want fixed
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