Comparison

Dumpster Note vs OpenSleep

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

Head to head
About

Dumpster Note

This app provides a private space for journaling and emotional expression. It offers prompts, mood tracking, and AI insights to help users understand their thoughts and feelings. Users can also send anonymous letters to vent.

Highlights
  • Private journaling
  • Playful prompts
  • Mood tracking with visuals
  • AI-powered insights
  • Anonymous letter sending
  • Trend spotting over time
Features
Read full description

Feeling overwhelmed? Overthinking everything? Dumpster Note is your judgment-free journal that turns messy thoughts into instant clarity — with playful prompts and mood tracking. Send letters anonymously to get it off your chest. Record and talk it out. Capture your thoughts, feelings, and memories with Dumpster Note. Go Deeper→ helps you explore your thoughts without judgement. Capture your mood with pics → Log emotions visually for context you’ll love looking back on. AI insights → See key themes, emotions, and patterns after every entry. Spot trends over time → Mood charts and themes reveal what’s really going on. Private by design → All your entries and photos are stored directly to your phone. Cozy, vibe → A journaling experience that feels fun, not clinical. Whether you’re venting, reflecting, or just capturing small wins, Dumpster Note makes journaling something you’ll actually want to do every day. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

OpenSleep

This app offers a privacy-focused, offline sleep tracker and AI coach. It analyzes your sleep patterns locally on your device, synchronizes with Apple Health, and provides detailed insights without sending any data to servers.

Highlights
  • Offline sleep tracking
  • Local AI sleep coach
  • Apple Health synchronization
  • Sleep cycle and stage analysis
  • Privacy-first, serverless design
  • Detailed sleep history
Features
Read full description

OpenSleep tracks your sleep stages without a watch or ring, and explains them with an AI sleep coach that runs entirely on your iPhone. TRACK SLEEP WITHOUT A WEARABLE Choose how your phone listens to the night: • Sonar (contactless): leave your iPhone on the nightstand. OpenSleep uses ambient sound levels to pick up sleep cues. Raw audio is never recorded or stored. • Mattress mode: place your iPhone flat on the mattress next to your pillow and let the motion sensor follow your movement. SEE EVERY STAGE OF YOUR NIGHT • Awake, REM, light and deep sleep, shown on a stage ring and a full-night sleep pattern chart • Bedtime, wake-up time and total sleep for every session • History with day, week, month and year views to spot trends AN AI SLEEP COACH THAT STAYS ON YOUR PHONE Ask about your sleep, your routine or why you wake up tired. The coach is a large language model that runs on your device, so your questions and answers are never sent to a server. Download the model once, then chat even with no connection. WORKS WITH APPLE HEALTH OpenSleep writes your sleep sessions and stages to Apple Health and can show sleep already recorded there. PRIVATE BY DESIGN • No account and no sign-up • Sleep analysis happens on your iPhone • Open source: anyone can read the code Available in English, Spanish, Portuguese, German, French and Italian. Sleep tracking is free. The AI Sleep Coach is a one-time purchase with no subscription. OpenSleep is a wellness tool, not a medical device. Talk to a doctor about any sleep or health concerns.

Screenshots

Dumpster Note4 screens
OpenSleep4 screens

Verdict

The call

The clearest difference is ratings volume: Dumpster Note at 9 against OpenSleep's 1. Dumpster Note also leads on iOS requirement (17.0 vs 26.0). On price, rating, review sentiment and update cadence 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. Dumpster Note sells 3 in-app purchases, starting at $2.99 per 7 days and OpenSleep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Dumpster Note against 5.0 for OpenSleep. That said, the two scores are not equally well evidenced: Dumpster Note has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Dumpster Note ships an update every 3 weeks, OpenSleep every 11 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Dumpster Note versus OpenSleep: the parameters behind the verdict, then further details
ParameterDumpster NoteOpenSleep
PriceFreeFree
Rating5.0 (9 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings9 — better1
Update frequencyEvery 3 weeksEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better26.0
Further details — not scored
Size67 MB73 MB
Age rating17+12+
DeveloperCaleb MathewYuan Qian

Customer experience

Dumpster Note

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OpenSleep

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Dumpster Note

Subscriptions3
  • Dumpster Note Weekly7 Days trial$2.997 Days
  • Dumpster Note Monthly7 Days trial$7.991 Month
  • Dumpster Note Yearly7 Days trial$39.991 Year
1 purchases

OpenSleep

One-time1
  • OpenSleep Lifetime Premium$2.99

Questions

Is Dumpster Note free?
Dumpster Note is free to download, with in-app purchases available.
Is OpenSleep free?
OpenSleep is free to download, with in-app purchases available.
Which has better reviews, Dumpster Note or OpenSleep?
Dumpster Note and OpenSleep are both rated 5.0 out of 5 on the App Store, from 9 and 1 ratings respectively.
Do Dumpster Note or OpenSleep have ads?
Neither Dumpster Note nor OpenSleep shows ads.
Which is updated more often, Dumpster Note or OpenSleep?
Dumpster Note ships an update every 3 weeks, and OpenSleep every 11 days. Most recently, Dumpster Note was updated on October 24, 2026 and OpenSleep on October 25, 2026.

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