CortexOS
AutomatedPrivacy-first AI journaling app with on-device language model, end-to-end encryption, sentiment analysis, and emotion detection.
CortexOS has 3 plans: a free plan and paid plans from $7.99/month. We have not recorded a price change.
CortexOS plans and prices
Free
$0
- 10 encrypted entries per month
- Basic sentiment analysis
- Top 3 emotions per entry
- Voice-to-text journaling
- AES-256-GCM encryption
Premium
monthly$7.99/mo
- yearly$4.17/mobilled annually ($49.99/yr)
- Encrypted entries — Unlimited
- Sentiment analysis — Adaptive
- Emotion detection — 20+
- Voice-to-text — Yes
- On-device language model — Yes
- Deep Analysis — Yes
- Behavioural pattern detection — Yes
- Cognitive distortion alerts — Yes
Show all 12 featuresShow fewer
- Weekly AI insights report — Yes
- Zero-knowledge cloud vault — Yes
- Therapist export reports — Yes
- All future Premium features — During subscription
Lifetime
one time$99.99
$99.99 one-time
- Encrypted entries — Unlimited
- Sentiment analysis — Adaptive
- Emotion detection — 20+
- Voice-to-text — Yes
- On-device language model — Yes
- Deep Analysis — Yes
- Behavioural pattern detection — Yes
- Cognitive distortion alerts — Yes
Show all 12 featuresShow fewer
- Weekly AI insights report — Yes
- Zero-knowledge cloud vault — Yes
- Therapist export reports — Yes
- All future Premium features — Forever
Price history
Last 10 recorded changes
| Date | Plan | Change | Old | New | Δ% |
|---|---|---|---|---|---|
| Jun 20, 2026 | Lifetime | New plan | — | $99.99 | — |
| Jun 20, 2026 | Premium | New plan | — | $7.99 | — |
| Jun 20, 2026 | Free | New plan | — | $0 | — |
| Jun 20, 2026 | Lifetime | New plan | — | $99.99 | — |
| Jun 20, 2026 | Premium | New plan | — | $7.99 | — |
| Jun 20, 2026 | Free | New plan | — | $0 | — |
| Jun 20, 2026 | Lifetime | New plan | — | $99.99 | — |
| Jun 20, 2026 | Premium | New plan | — | $7.99 | — |
| Jun 20, 2026 | Free | New plan | — | $0 | — |
| Jun 19, 2026 | Lifetime | New plan | — | $99.99 | — |
Showing the most recent 10 changes. Full history back to 2023 is available through the developer API.
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