Comparison

Secure Planner vs Grambo

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

Head to head
About

Secure Planner

Features
Read full description

With Secure Planner, you can effortlessly create, manage, and organize your to-do lists. Set priorities and deadlines for individual tasks to enhance your productivity and keep track of important tasks. And all securely encrypted! The user-friendly dashboard and various graphics provide you with a clear overview of your progress. Track your daily tasks using the progress bar and quickly identify tasks with high priority that still need to be completed. Security is paramount with Secure Planner. The app employs reliable AES256 and TripleDES encryption combined along with PBKDF2 to securely store your to-do lists. All data remains fully offline, without any cloud connection. Additionally, Secure Planner is open source, giving you peace of mind knowing that your data is protected. Furthermore, Secure Planner offers features such as easy export and import of to-do lists, allowing you to share your data with others or synchronize it across different devices. Your data remains encrypted and safeguarded at all times.

About

Grambo

Enhance your writing with an AI-powered assistant that checks grammar, spelling, and tone across 90+ languages. Improve clarity and fluency for emails, documents, and messages in seconds.

Highlights
  • AI grammar and spelling correction
  • Sentence rewriting and improvement
  • Professional, casual, and formal tone options
  • Support for 90+ languages
  • Cloud-based AI corrections
  • Bring Your Own Key (BYOK) support
Read full description

Grambo is an AI-powered writing and grammar assistant designed to help you write clearly, professionally, and confidently across 90+ languages. Whether you're writing emails, social media posts, professional documents, messages, or everyday conversations, Grambo helps you improve grammar, clarity, tone, and fluency in seconds. FEATURES • AI grammar and spelling correction • Rewrite and improve sentences instantly • Professional, casual, and formal tone options • Support for 90+ languages • AI-powered cloud corrections • Bring Your Own Key (BYOK) support • Fast and clean writing experience • Smart multilingual writing assistance SUBSCRIPTION REQUIRED A Grambo subscription is required to access the app's AI-powered writing features, including BYOK functionality. The monthly subscription includes a 7-day free trial for eligible users. Subscription options are displayed within the app prior to purchase. PERFECT FOR • Students • Professionals • Content creators • Businesses • Multilingual users • Everyday communication Write smarter with Grambo. Privacy Policy: https://gramboapp.com/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Secure Planner4 screens
Grambo4 screens

Verdict

The call

The clearest difference is price: Grambo at Free against Secure Planner's $1.99. Secure Planner's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement 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

Grambo is free to download; Secure Planner costs $1.99 up front. Grambo sells 2 in-app purchases, starting at $4.99 per month. Secure Planner asks for nothing beyond the download.

UpkeepUpdate frequency

Secure Planner ships an update weekly, Grambo every 3 days. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Secure Planner versus Grambo: the parameters behind the verdict, then further details
ParameterSecure PlannerGrambo
Price$1.99Free — better
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.5
Further details — not scored
Size23 MB18 MB
Age rating4+4+
DeveloperChristian ScheubMuhammed Sabeen

In-app purchases

None

Secure Planner

No in-app purchases

2 purchases

Grambo

Subscriptions1
  • Grambo Monthly7 Days trial$4.991 Month
One-time1
  • Grambo Lifetime$19.99

Questions

Is Secure Planner free?
Secure Planner costs $1.99, with no in-app purchases.
Is Grambo free?
Grambo is free to download, with in-app purchases available.
Do Secure Planner or Grambo have ads?
Neither Secure Planner nor Grambo shows ads.
Which is updated more often, Secure Planner or Grambo?
Secure Planner ships an update weekly, and Grambo every 3 days. Most recently, Secure Planner was updated on October 11, 2026 and Grambo on October 25, 2026.

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