Comparison

PaperSeal vs Zenith

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

Head to head
About

PaperSeal

Sign PDFs quickly and securely on your iPhone. Add your signature, text, and other elements to documents locally, without needing an account or cloud storage. Offers a free tier for basic use and a one-time purchase for advanced features.

Highlights
  • Offline PDF signing
  • Draw, type, or import signatures
  • Add text, initials, and dates
  • Flattened PDF export
  • On-device OCR
  • Merge and split PDFs
  • Password-protected PDFs
Features
Read full description

Open, sign and return any PDF in under a minute. SIGN A PDF Import a PDF from Files, Mail or another app. Draw, type, photograph or import a signature, then place it exactly where it belongs. Add initials, text, today’s date and checkmarks, and export a clean flattened PDF ready to share. PRIVATE BY DESIGN Your documents and signatures stay on your iPhone. There is no account, cloud storage or document upload. PaperSeal processes documents locally, even when you are offline. START FREE Create signatures and initials, import or scan documents, and complete your first signed PDF export for free. There is no trial and no subscription. LIFETIME PRO One payment unlocks unlimited signing and exporting, unlimited saved signatures and initials, OCR, merge and split, PDF conversion, ZIP export, password-protected PDFs and no ads. Previous purchasers of the paid DocScanner app receive Lifetime Pro automatically. MORE PDF TOOLS Scan a document, extract text with on-device OCR, merge or split PDFs, convert pages, and create ZIP exports when you need them. Terms of Use: https://www.cong-le.com/terms.html Privacy Policy: https://www.cong-le.com/privacy.html

About

Zenith

This minimalist productivity app uses the Pomodoro technique with atmospheric visuals and calming breathing exercises to help you achieve deep work. Customize focus sessions, breaks, and choose immersive themes to create a digital sanctuary for enhanced concentration.

Highlights
  • Aesthetic focus with dynamic mesh backgrounds
  • Immersive themes for work ambiance
  • Customizable Pomodoro technique sessions
  • Integrated breathing exercises
  • Live Activities for progress tracking
  • Session tagging for focus insights
Features
Read full description

Make room for one quiet session. Zenith Pomodoro is an atmospheric focus timer for studying, writing, and work. Choose one task, set your session length, and begin with a backdrop that fits your surroundings. A RHYTHM THAT FITS Adjust your focus, short-break, and long-break durations. Start with 25 minutes or choose your own pace. YOUR STUDY ATMOSPHERE Choose animated gradients, solid colors, and atmospheric themes. A selection of themes is included; additional themes and custom colors require Zenith Premium. TIME AT A GLANCE Follow your timer on the Lock Screen with Live Activities, and in the Dynamic Island on supported devices. A PLACE FOR BREAKS Use an optional visual breathing guide during breaks. Classic is included; additional breathing styles require Premium. LOOK BACK AT YOUR SESSIONS Tag sessions by what you worked on and revisit recent focus history. Extended history requires Premium. OPTIONAL SOUND WITH PREMIUM Blend ambient soundscapes in Focus Mix, adjust individual volumes, and choose separate mixes for focus and breaks. Focus Mix requires Zenith Premium. Start with one session. Find a rhythm that fits your routine. Requires iOS 18 or iPadOS 18 or later. Zenith Premium is an optional monthly or annual auto-renewing subscription. Review the purchase and renewal terms in the app before subscribing. Privacy Policy: https://cjamie.github.io/Zenith-Pomodoro-Privacy-Policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PaperSeal4 screens
Zenith3 screens

Verdict

The call

The clearest difference is rating: Zenith at 5.0 against PaperSeal's 1.0. Zenith also leads on update cadence (every 4 days vs every 5 months). PaperSeal's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and monetization model 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. Zenith sells 1 in-app purchase, starting at $2.99 per month. PaperSeal asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Zenith holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

PaperSeal ships an update every 5 months, Zenith every 4 days. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 7 level
PaperSeal versus Zenith: the parameters behind the verdict, then further details
ParameterPaperSealZenith
PriceFreeFree
Rating1.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 5 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS18.018.0
Further details — not scored
Size4 MB208 MB
Age rating4+4+
DeveloperPocket Grove LtdShahab Darvish

Customer experience

PaperSeal

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Zenith

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PaperSeal

No in-app purchases

1 purchases

Zenith

Subscriptions1
  • Premium7 Days trial$2.991 Month

Questions

Is PaperSeal free?
PaperSeal is free to download, with no in-app purchases.
Is Zenith free?
Zenith is free to download, with in-app purchases available.
Which has better reviews, PaperSeal or Zenith?
Zenith is rated higher. PaperSeal averages 1.0 out of 5 from 1 ratings, while Zenith averages 5.0 from 2 ratings.
Do PaperSeal or Zenith have ads?
Neither PaperSeal nor Zenith shows ads.
Which is updated more often, PaperSeal or Zenith?
PaperSeal ships an update every 5 months, and Zenith every 4 days. Most recently, PaperSeal was updated on October 10, 2026 and Zenith on October 17, 2026.

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