Log vs Ambient Timer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Log
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Log is a thought log for people who turn ideas into reality. Capture an idea in one line. Not a record, but a log for evolution. You wrote it down, then lost track of it. Ideas pile up, but you can't tell what moved forward and what stalled. Log keeps your thinking not as scattered dots, but as a history of change. CAPTURE IN ONE LINE Save a thought before it fades, with the fewest taps. Organize later. Type #tags in the title and they are added automatically. CONNECT YOUR THINKING Link related logs and keep a thought history (v1 β v2 β v3), so you always know where an idea came from and where it went. DIG DEEPER WITH AI Chat with Claude, ChatGPT or Gemini about one log or a bundle of logs. Save a good reply back as a new log with one long-press. AI ideas suggests three next steps: dig deeper, branch out, or move to the next stage. SIX LAYERS OF THINKING Idea β Output β Build β Launch β Review β Reach. Give each log a layer and see how far each thought has grown. SPIRAL GRAPHβ’ See the density, depth and reach of your thinking on Log's own logarithmic spiral. Tap a layer to open its logs. WRITE MATH Wrap text in $ to show it as math, in your notes and in AI replies. Great for math and physics study logs. EXPORT AS MARKDOWN Export a whole folder as a ZIP of Markdown files, one note per log, ready for Obsidian and other apps. Back up and restore everything with JSON. PRIVATE BY DESIGN Your logs stay on your device. Log has no server and never uses your logs for training. Lock the app with Face ID. AI features use your own API key, stored in the iOS Keychain and sent only to the AI provider you choose. PRICING Free: up to 3 folders and 50 logs, with every feature. Pro: unlimited folders and logs. One-time purchase, no subscription.
Ambient Timer
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A timer that creates space β for stillness, and for deep focus. Paired with field recordings and ambient film β crafted by a single artist, not a sound library. Sounds and visuals by Chisato Ohori, whose work has been exhibited at Kunstpavillon, a historic contemporary art gallery in Munich. Set the ring. Press play. Let time pass. Optionally, pair your session with field recordings or ambient film β or keep it in silence. When the timer ends, a break mode continues the same atmosphere, so the transition from focus to rest feels natural. A minimal ring interface. A gentle bell to close each session. And a record of every session, quietly accumulating over time. The timer, sound selection, and session history are free. Field recordings and ambient film are available with Unlimited β a one-time purchase of $2.99.
Screenshots
Verdict
The clearest difference is update cadence: Log at every 4 days against Ambient Timer's every 2 months. Log also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Log sells 1 one-off in-app purchase and Ambient Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Log ships an update every 4 days, Ambient Timer every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Log | Ambient Timer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days β better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 13.0 β better | 16.6 |
| Further details β not scored | ||
| Size | 40 MB | 193 MB |
| Age rating | 4+ | 4+ |
| Developer | mika masuda | Chisato Ohori |
In-app purchases
Log
- Log Pro$5.99
Ambient Timer
- Unlock Unlimited$2.99









