Comparison

Usage Log vs Three Seeds

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

Head to head
About

Usage Log

Track your daily iPhone usage and receive reminders to take breaks, helping to protect your eyesight. It's also a useful tool for parents monitoring their children's screen time.

Highlights
  • Track daily iPhone usage
  • Monitor screen time
  • Receive relaxation reminders
  • Parental monitoring
  • Data saved locally on iPhone
Features
Read full description

Usage Log will let you know how long you spend on your iPhone everyday. Usage Log will let you know when you or someone has used your iPhone. Usage Log will remind you to relax when you have been playing with your iPhone for the preset time interval to protect your eyesight. Usage Log will be useful for your life. Usage Log will also be helpful for parents who want to know how often their children are using their iPhone. PRIVACY STATEMENT: All the data collected by Usage Log will only be saved on your iPhone, and will be deleted permanently with the app. You can access the data by copying the three data files via iTunes.

About

Three Seeds

Features
Read full description

A gratitude journal that writes back. Every day, note 3 good things that happened. Once a day, AI reads them and replies with a few warm sentences about your day - not a score, not a summary. Small things count. "The morning coffee was great" is more than enough. Research suggests that keeping up this tiny habit can raise your sense of well-being (Seligman et al., 2005). No ads. No account. No tracking. Your entries stay on your device. ◆ Write 3 good things a day - Three simple fields — small things count, even one is fine - Mood tags and photo attachments - Gentle writing prompts that change every day ◆ A warm word from AI - Once a day, AI reads your three things and replies with warmth - Not a summary or a score — a companion who savors your words with you - Weekly and monthly AI reviews to look back on your patterns ◆ Watch your record grow - Streaks, mood charts, and a calendar of your entries - A word cloud of the things you write about most - "A year ago today" and "This day last month" cards ◆ Your data stays yours - Everything is stored on your device - Optional automatic backup to your own iCloud - No ads, no tracking SDKs - Export as text, Markdown, JSON, or shareable images ◆ Also in Japanese - The app follows your device language (English / Japanese) - AI replies in your language too Start planting three small seeds a day, and grow a record that is truly yours.

Screenshots

Usage Log3 screens
Three Seeds4 screens

Verdict

The call

The clearest difference is update cadence: Three Seeds at every 6 days against Usage Log's every 3 months. Usage Log's advantage is iOS requirement (7.0 vs 13.0). 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

Usage Log ships an update every 3 months, Three Seeds every 6 days. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 8 level
Usage Log versus Three Seeds: the parameters behind the verdict, then further details
ParameterUsage LogThree Seeds
PriceFreeFree
Rating2.4 (8 ratings) — better—
Positive reviews29.4% of reviews—
Number of ratings8 — better—
Update frequencyEvery 3 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS7.0 — better13.0
Further details — not scored
Size1 MB38 MB
Age rating4+4+
Developer志明 丁Atsushi Matsunami

In-app purchases

None

Usage Log

No in-app purchases

None

Three Seeds

No in-app purchases

Questions

Is Usage Log free?
Usage Log is free to download, with no in-app purchases.
Is Three Seeds free?
Three Seeds is free to download, with no in-app purchases.
Do Usage Log or Three Seeds have ads?
Neither Usage Log nor Three Seeds shows ads.
Which is updated more often, Usage Log or Three Seeds?
Usage Log ships an update every 3 months, and Three Seeds every 6 days. Most recently, Usage Log was updated on October 22, 2026 and Three Seeds on October 19, 2026.

Other comparisons