Liminal vs Sub Keeper Tracker
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Liminal
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Liminal is a lucid dream journal with an AI dream specialist who has read every dream you've written. Capture the dream the second you wake, write what you think it meant, and ask Kairos for a reading β symbols, feelings, and the dreams it echoes. Most dreams are gone within five minutes of waking. Liminal is built for those five minutes. NEVER LOSE A DREAM Tap the lock-screen widget and start talking, or type. Every dream is written to your phone the instant you make it β before any network, any account, any sync. Dead zones and airplane mode can't take a dream from you. Write your read of it while it's still warm, in a second box right under the dream. KAIROS, YOUR AI DREAM SPECIALIST Talk to her by voice in the middle of the night, or by text over breakfast. She has read every dream in your journal, so she remembers the house you keep returning to and the person who keeps appearing in it. Ask her for a reading through one of three lenses β Symbols, Feelings, Echoes β and she'll say what she thinks, plainly, after you've written your own read. Yours outranks hers. Ask her how to get lucid and she'll match a technique to where you actually are. THE PATH Recall, lucidity, out-of-body: one honest number each, computed from your own journal. Recall is the first step, so it goes first. A LIBRARY IN ONE VOICE Twelve narrated tracks, all in Kairos's voice, each carried on a soft pulsed tone that slows as the track goes. Best with headphones: - First, Remember β ten minutes before sleep; the habit everything else needs - The Rehearsal β learn the cue awake, then meet it inside the dream - Back Down β for the 4 AM waking: recall it, set the intention, return - Body Asleep and Deeper Still β the threshold state and the vibration stage - Rewrite the Night β take back a nightmare and choose the ending - No Fear at the Threshold β sleep paralysis, explained calm - Am I dreaming? and Expansion β daytime practices, a few minutes each - Re-entry, Falling, The Still Point Plus six Pure Waves: the brainwave bands on their own, no voice, for the whole night. ALARMS THAT ACTUALLY WAKE YOU Real system alarms for bedtime, wake-back-to-bed, and morning β they ring through silent mode, like the Clock app. The wake-back-to-bed alarm and the Back Down track are one mechanic: wake at the right point in the cycle, go back down with intention. THIRTY NIGHTS A night-by-night path from "I never remember my dreams" to recall, to lucidity, to the threshold. Plus The Crossing and Seven Nights of Rewriting. YOUR SIGNS, FROM YOUR DREAMS Liminal counts what actually recurs in your journal β people, places, symbols, what travels together β and builds your own lexicon instead of handing you a generic dictionary. WRITE IT ON PAPER IF YOU WANT Print journal pages, keep them by the bed, photograph them in the morning, and they land in your journal transcribed. TOGETHER Private by default. Invite one partner and choose, dream by dream, what they see. On a night you both caught something, one page holds both dreams β and once you've each written your read, Kairos reads the night as one. FREE FOREVER The whole journal β voice and text capture, transcription, editing, search β your signs, insights and streaks, alarms and the cue, the techniques library, week one of Thirty Nights, four guided tracks, partner sharing, and printable pages. LIMINAL PREMIUM Kairos β two hours of voice calls and 1,000 messages a month β eight more narrated tracks and all six Pure Waves plus every new track we make, the full Thirty Nights and both extra programs, 100 readings a month, the Sunday reflection and The Deep Read, and 100 photographed pages a month. Try it free for 7 days. Liminal is a practice and journaling app for adults. It is not medical care, and nothing in it diagnoses or treats anything. Terms of Use: https://programu.app/legal/liminal/terms Privacy Policy: https://programu.app/legal/liminal/privacy-policy
Sub Keeper Tracker
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Sub Keeper helps you see what you pay for subscriptions β and when the next charge hits β without linking a bank account. β’ Home: this monthβs total and upcoming charges β’ Calendar: billing dates at a glance β’ Stats: spending by category β’ Reminders before renewal (optional) β’ Catalog of popular services, plus custom subscriptions β’ English, Π£ΠΊΡΠ°ΡΠ½ΡΡΠΊΠ°, and Π ΡΡΡΠΊΠΈΠΉ β’ Data stays on your device. Export a JSON backup when you want. Free: up to 5 subscriptions (plus optional extra slots). Premium unlocks more via the App Store. We do not connect to your bank. We do not sync to the cloud in this version. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://subkeeper.app/privacy.html Our Terms of Use: https://subkeeper.app/terms.html
Screenshots
Verdict
The clearest difference is ads: Liminal at none against Sub Keeper Tracker's shown. Sub Keeper Tracker's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement 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. Liminal sells 2 in-app purchases, starting at $14.99 per month and Sub Keeper Tracker sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Liminal ships an update every 5 days, Sub Keeper Tracker every 9 days. The most recent releases landed on October 29, 2026 and November 6, 2026 respectively.
| Parameter | Liminal | Sub Keeper Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days β better | Every 9 days |
| Ads | No β better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 16.4 | 15.5 β better |
| Further details β not scored | ||
| Size | 151 MB | 78 MB |
| Age rating | 17+ | 4+ |
| Developer | ProgramU LLC | Andrii Zhuravskyi |
In-app purchases
Liminal
- Premium Monthly7 Days trial$14.991 Month
- Premium Annual$89.991 Year
Sub Keeper Tracker
- Premium Monthly$3.991 Month
- Support Sub Keeper$0.99
- Premium Lifetime$39.99
Questions
Is Liminal free?
Is Sub Keeper Tracker free?
Do Liminal or Sub Keeper Tracker have ads?
Which is updated more often, Liminal or Sub Keeper Tracker?
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