Comparison

Codebook Password Manager vs Private AI

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

Head to head
About

Codebook Password Manager

Securely store and manage all your passwords and sensitive data with robust encryption. Generate strong, unique passwords, autofill login forms, and sync across devices. Protect your digital life from unauthorized access.

Highlights
  • Powerful data encryption
  • Password generation
  • Password AutoFill
  • Cross-device sync
  • Face ID/Touch ID login
  • Password breach checker
Features
Read full description

Codebok Password Manager provides powerful and complete data encryption, a flexible data model, automatic sync with Codebook Cloud, and Password AutoFill. Codebook is free to download and use. Automatic sync with Codebook Cloud requires a subscription. Codebook has been protecting sensitive information on mobile devices since the days of the Palm Pilot! It protects your passwords and personal information from unauthorized access by would-be crackers, malicious thieves, and snoopy coworkers. Stop using the same password for all your accounts! Codebook generates strong, random passwords and keeps them for you, protected by your master password and powerful encryption. With a subscription to Codebook Cloud, Codebook will keep your passwords and other sensitive data in sync across all your devices. Features: * Fast login with Face ID and Touch ID * Full support for AufoFill Passwords in iOS * Designed to work on iPhone *and* iPad * Automatic background sync with Codebook Cloud * Support for user-initiated sync over Dropbox, Drive, and Desktop WiFi (w/ Codebook for macOS and Windows) * Full text search as you type across all your records and fields * Auto-lock timer allows you to keep Codebook temporarily unlocked while you switch apps * Configurable field masking to hide sensitive data from view * Erases clipboard when information is copied to be pasted in other apps after two minutes * Supports both portrait and landscape device orientation * Includes 200 gorgeous color icons for personalizing your records * Generates two-step verification (TOTP) codes * Scans QR codes with main camera * Store sensitive Image files and PDF documents (10MB max) * Scan and save data from QR codes directly to your entries * The Password Review feature checks a password for breaches in the HaveIBeenPwned.com database of over half a billion hacked passwords Use Stronger Passwords: * Codebook helps you remember stronger passwords, but also to generate them * The password generator allows you to generate random passwords from several common character sets, and adjusts for bias * The password generator also supports Diceware passwords, both the Reinhold and Electronic Frontier Foundation variants Customize Away: * Personalize categories to match your organizational style * Customize your entries including usernames, passwords, websites, notes and create your own fields and labels * Note records can be created in any category to store free-form text * Store any information you want--no restrictive templates! * Store URL connection strings (e.g. SSH, AFP, SFTP) to launch other applications directly * Star your Favorites to get at them quickly and sort them to the top of search results Encryption and Password Protection: * Uses the open source, encrypted database engine SQLCipher for all data storage * The encryption used is 256-bit AES in CBC mode * Master Password key derivation uses 256,000 rounds of PBKDF2 SHA-256 * Every encrypted database has its own random initialization vector * Every page of storage has its own random initialization vector and HMAC protection * Hardware-accelerated using CommonCrypto for speed and reduced battery consumption * All sync data is encrypted with a completely random Sync Key Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Private AI

This AI assistant offers expert-level answers for coding, writing, and research, all processed securely on your device. Enjoy complete privacy with no accounts, tracking, or logs.

Highlights
  • On-device AI processing
  • Complete privacy, no tracking
  • Expert knowledge across domains
  • Apple Intelligence integration
  • No account or login required
Features
Read full description

Powerful AI, your way, with private on-device intelligence and no accounts, no tracking, and no logs. ASK ANYTHING Get help with coding, creative writing, research, brainstorming, explanations, and everyday problem solving. Nivon delivers clear, useful answers with a fast, focused chat experience. CHOOSE HOW YOUR AI RUNS Run AI directly on your device with a curated library of local MLX models, use Apple Intelligence, or choose an optional cloud service when you need it. Device-aware recommendations help you find the right local model for your iPhone. PRIVACY BY DESIGN When you choose an on-device model, your prompts and responses are processed locally. Your conversation history is stored on your device, and no Nivon account is required. When you use Private Cloud Compute, your data is used only to fulfill your request and is then immediately deleted by Apple. KEY FEATURES • Private, on-device AI processing • Apple Intelligence integration • Private Cloud Compute and Private Cloud AI • Curated local AI models • Device-aware model recommendations • Multiple saved conversations with search and renaming • Voice dictation and read aloud responses • Streaming answers with Markdown support • Adjustable local generation settings Whether you are writing code, exploring an idea, or solving a difficult problem, Nivon puts powerful AI in your hands, with clear control over how every conversation is processed. Terms of use: https://www.apple.com/legal/internet-services/itunes/ Privacy Policy: https://www.sa-moo-rai.com/NivonAI/privacypolicy/

Screenshots

Codebook Password Manager4 screens
Private AI4 screens

Verdict

The call

The clearest difference is review sentiment: Codebook Password Manager at 87% against Private AI's 25%. Codebook Password Manager also leads on rating (4.8 vs 3.8) and ratings volume (2.3K vs 20). On price, update cadence, ads and in-app purchases 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. Codebook Password Manager sells 10 in-app purchases, starting at $7.00 per month and Private AI sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Codebook Password Manager holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Codebook Password Manager has 2.3K ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 87% of Codebook Password Manager's written reviews are positive against 25% of Private AI's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

Scorecard5 real differences · 5 level
Codebook Password Manager versus Private AI: the parameters behind the verdict, then further details
ParameterCodebook Password ManagerPrivate AI
PriceFreeFree
Rating4.8 (2.3K ratings) — better3.8 (20 ratings)
Positive reviews87.1% of reviews — better25.0% of reviews
Number of ratings2.3K — better20
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size91 MB55 MB
Age rating4+12+
DeveloperZetetic LLCValentin Dreyfus

Customer experience

Codebook Password Manager

All ratings2,347 ratings
Positive95.6%
Neutral1.3%
Negative3.1%
Written reviews348 reviews
Positive87.1%
Neutral3.2%
Negative9.8%

Private AI

All ratings20 ratings
Positive70.0%
Neutral0.0%
Negative30.0%
Written reviews8 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Bugs and requests

Codebook Password Manager

Reported bugs

2 issues
  • Crashes and data loss after iOS upgrades
  • Sync key issues causing data inaccessibility

Requested features

4 requests
  • Add support for Face ID/Touch ID authentication
  • Improve sync reliability and background sync capabilities
  • Introduce a universal app for iPad
  • Allow custom icons and categories

Private AI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Codebook Password Manager

Subscriptions8
  • Codebook Cloud Personal1 Month trial$7.001 Month
  • Codebook Cloud Personal6 Months trial$7.001 Month
  • Codebook Cloud Family1 Month trial$13.991 Month
Show 5 more
  • Codebook Cloud Family6 Months trial$13.991 Month
  • Codebook Cloud Personal1 Month trial$60.001 Year
  • Codebook Cloud Personal6 Months trial$60.001 Year
  • Codebook Cloud Family1 Month trial$119.991 Year
  • Codebook Cloud Family6 Months trial$119.991 Year
One-time2
  • Free TrialFree
  • Codebook Pro for iOS$9.99
4 purchases

Private AI

Subscriptions3
  • Pro: One Week3 Days trial$4.997 Days
  • Pro: One Year$19.991 Year
  • Unlimited: One Month$19.991 Month
One-time1
  • Lifetime$69.99

Questions

Is Codebook Password Manager free?
Codebook Password Manager is free to download, with in-app purchases available.
Is Private AI free?
Private AI is free to download, with in-app purchases available.
Which has better reviews, Codebook Password Manager or Private AI?
Codebook Password Manager is rated higher. Codebook Password Manager averages 4.8 out of 5 from 2.3K ratings, while Private AI averages 3.8 from 20 ratings.
Do Codebook Password Manager or Private AI have ads?
Neither Codebook Password Manager nor Private AI shows ads.
Which is updated more often, Codebook Password Manager or Private AI?
Codebook Password Manager ships an update monthly, and Private AI monthly. Most recently, Codebook Password Manager was updated on October 17, 2026 and Private AI on October 8, 2026.

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