Comparison

Postnote vs TheGrey.app

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

Head to head
About

Postnote

Features
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Postnote is a simple, intuitive note manager built for unmatched speed. Capture your thoughts the moment they arise, with zero friction. With seamless iCloud sync, your ideas stay organized and accessible across all your devices, making it effortless to jot down and review your notes anytime, anywhere.

About

TheGrey.app

Features
Read full description

When the Same Thought Keeps Circling Not a crisis. Not a problem that needs solving. Just the same thought, going around once more, still hovering there. THEGREY exists for this state. When a thought keeps circling with no way out — and you don't need a way out yet. Not meditation. Not therapy. Not a mood tracker. No questions about how you feel. No suggestions. No record. 【 Why do you need THEGREY? 】Not a feature list. The reality you're living right now: • The same thought won't stop before sleep: your body is exhausted but your brain refuses to land, the thought grinding in the dark on repeat. • Walking into a place brings something back: the space itself is the trigger, old memories spiraling again without warning. • A date or anniversary arrives and the thought returns: time's inertia brings regret back automatically, no reason needed. • Shallow breathing, physical tension, thought follows: physiological anxiety feeds mental drain, the thought accelerating with your heartbeat. 【 Three entry points, three sources of circling 】 • THIS DAY | Time-triggered: circular thoughts triggered by time or date. Time seems to stand still. • THE SPACE | Space-triggered: circular thoughts triggered by location or setting. This space won't let the feeling go. • THE BREATH | Rhythm-triggered: circular thoughts triggered by rhythm or stress. The circling that happens between breaths. 【 Seven content invariants, strictly observed 】No second person · No action directive · No future tense · No causal framing · No self-comfort · No shareability design · No implied next step. No journal. No history. No progress report. Enter. Stay. Leave. Built on THE GAP Framework. Compliant with GAP-NLP-1.0.

Screenshots

Postnote4 screens
TheGrey.app3 screens

Verdict

The call

The clearest difference is update cadence: TheGrey.app at every 3 days against Postnote's monthly. 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. Postnote sells 1 one-off in-app purchase and TheGrey.app sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Postnote ships an update monthly, TheGrey.app every 3 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard1 real difference · 5 level
Postnote versus TheGrey.app: the parameters behind the verdict, then further details
ParameterPostnoteTheGrey.app
PriceFreeFree
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size1 MB1 MB
Age rating4+4+
Developerdai kawaguchiHsieh ChiaMing

In-app purchases

1 purchases

Postnote

One-time1
  • Unlock note posting limit$1.99
1 purchases

TheGrey.app

One-time1
  • The Grey Platinum$2.99

Questions

Is Postnote free?
Postnote is free to download, with in-app purchases available.
Is TheGrey.app free?
TheGrey.app is free to download, with in-app purchases available.
Do Postnote or TheGrey.app have ads?
Neither Postnote nor TheGrey.app shows ads.
Which is updated more often, Postnote or TheGrey.app?
Postnote ships an update monthly, and TheGrey.app every 3 days. Most recently, Postnote was updated on October 2, 2026 and TheGrey.app on October 1, 2026.

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