Comparison

theta vs ScreenNote

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

Head to head
About

theta

Features
Read full description

Theta is a creator notebook. A space to capture ideas, shape them into something real, and follow them through. Write freely, turn rough thoughts into structured pieces, and plan what comes next all in one place. Features: • Capture ideas, notes, and drafts in a simple editor • Turn thoughts into structured content • Organize and plan your next steps • Stay with your work from first idea to finished piece • Mark things as done and keep creating Whether you're writing, filming, designing, or exploring something new, Theta helps you move from idea to output without losing your flow. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ScreenNote

Features
Read full description

ScreenNote turns screenshots into notes you can search, reuse, and act on. Capture a receipt, confirmation, message, or idea. ScreenNote reads text on-device, keeps important details close, and helps you find them again. • Useful now: codes, due to-dos and upcoming charges as one list on Home, with one-tap Add Reminder, Copy or Done. • On-device OCR: search words inside screenshots. • Auto notes: titles, summaries, tags, and key takeaways you can act on. • Ledger: turn purchase screenshots into expense records. • To-dos: collect actions and send them to Reminders. • Fast search by text, title, tag, folder, or key field. • Core processing happens on your device. • Optional AI summaries when you want them. ScreenNote is for the screenshots you meant to remember. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

theta4 screens
ScreenNote4 screens

Verdict

The call

The clearest difference is update cadence: ScreenNote at every 9 days against theta's every 6 weeks. theta's advantage is iOS requirement (15.1 vs 17.0). 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. theta sells 2 in-app purchases, starting at $2.99 per month and ScreenNote sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

theta ships an update every 6 weeks, ScreenNote every 9 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 4 level
theta versus ScreenNote: the parameters behind the verdict, then further details
ParameterthetaScreenNote
PriceFreeFree
Update frequencyEvery 6 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS15.1 — better17.0
Further details — not scored
Size43 MB13 MB
Age rating4+4+
DeveloperJoy Yiting Heng江 吴

In-app purchases

2 purchases

theta

Subscriptions2
  • theta monthly1 Month trial$2.991 Month
  • theta yearly1 Month trial$24.991 Year
2 purchases

ScreenNote

Subscriptions2
  • Pro Monthly$2.991 Month
  • Pro Yearly$19.991 Year

Questions

Is theta free?
theta is free to download, with in-app purchases available.
Is ScreenNote free?
ScreenNote is free to download, with in-app purchases available.
Do theta or ScreenNote have ads?
Neither theta nor ScreenNote shows ads.
Which is updated more often, theta or ScreenNote?
theta ships an update every 6 weeks, and ScreenNote every 9 days. Most recently, theta was updated on October 31, 2026 and ScreenNote on November 5, 2026.

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