US Historical Documents vs Private Notes Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
US Historical Documents
Access over 400 influential U.S. historical documents, laws, speeches, and court cases. This app allows you to search, annotate, highlight, and email documents, all stored locally for offline access.
- Over 400 historical documents
- Offline document storage
- Searchable content
- Add notes and highlights
- Email documents
- Sort by date or type
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This app contains over 400 of the most influential documents, laws, speeches, and court cases in U.S. history. See the dramatic items which shaped our nation’s history in this extremely readable and convenient format. Sort the documents chronologically or by type of document and importance. Search for words or phrases in all documents, or in specific documents. Besides just reading documents, this app has many useful features, available on an easy-to-use graphical toolbar. Includes: -Add (and remove) notes anywhere in the document -Highlight useful words or phrases -Email any documents (including your notes) -Save your changes for later viewing -Remove customization and go back to "original" document All documents are stored locally on your iPhone / iPad, for easy reference. Includes: -U.S. Constitution -Declaration of Independence -Articles of Confederation -Complete collection of the Anti-Federalist Papers -Complete collection of the Federalist Papers -Many more Colonial, pre-colonial, and founding fathers’ documents. -Confederate Constitution -Gettysburg Address -Star Spangled Banner -Important Federal Laws (including Federal Judiciary Act, Alien and Sedition Acts, Interstate Commerce Act , Lend-Lease Act , and many more) -Important Speeches by Presidents and other leaders (including Ronald Reagan, John F. Kennedy, Patrick Henry, Martin Luther King, Abraham Lincoln, and more) -Complete collection of every presidential inauguration speech -Important Civil Rights milestones (including Emancipation Proclamation, Civil Rights Act and more) -War documents (including Declaration of War in WWI and WWII, Surrender of Japan, Surrender of Germany, and more) -Famous Court Cases (including Brown v. Board of Education, Marbury v. Madison, Miranda v. Arizona, District of Columbia v. Heller, and more) -Treaties shaping our nation’s history (including Treaty of Paris, Treaty of Guadalupe Hidalgo, Treaty of Fort Laramie, and more) -Influential Executive Orders (Desegregation, Peace Corps, and more) -MANY MORE DOCUMENTS!
Private Notes Lock
Securely store your written and voice notes with a passcode or Touch ID. This app allows you to create, save, and play notes, with options to add multiple photos. Manual data backup is recommended.
- Passcode protection
- Touch ID access
- Create written notes
- Save audio notes
- Add multiple photos to notes
- Play audio notes
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Are you worry about your written notes? Are you worry about your voice notes? Than This app is for you. Easy way to save and secure , secrete your notes in to your phone also save a voice notes and secure in to your phone. Feature - Set a passcode for open an app this is secure your notes. - Create a notes - Save a notes into multiple photos - Create a audio notes - Save a notes and play a notes - Change passcode - Also access to use Touch ID for use this app **Important Notice – Data Backup** This app does not provide built-in cloud or automatic backup functionality. To back up your data, please connect your device to a computer and use iTunes (or Finder on macOS) to access the app’s files and export them manually. We strongly recommend regularly backing up your data to avoid any potential data loss. The developer is not responsible for loss of data due to device issues, deletion, or app removal. Hurry Download app now
Screenshots
Verdict
The clearest difference is price: Private Notes Lock at Free against US Historical Documents's $0.99. Private Notes Lock also leads on update cadence (every 4 months vs every 15 months). US Historical Documents's advantage is rating (4.6 vs 3.0) and review sentiment (75% vs 33%). On 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
Private Notes Lock is free to download; US Historical Documents costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
US Historical Documents holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: US Historical Documents has 20 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 75% of US Historical Documents's written reviews are positive against 33% of Private Notes Lock's.
US Historical Documents ships an update every 15 months, Private Notes Lock every 4 months. The most recent releases landed on September 9, 2026 and June 7, 2026 respectively.
| Parameter | US Historical Documents | Private Notes Lock |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.6 (20 ratings) — better | 3.0 (4 ratings) |
| Positive reviews | 75.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 20 — better | 4 |
| Update frequency | Every 15 months | Every 4 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Best chart rank | #196 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 19 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Workman Consulting LLC | Bhargav Narola |
Customer experience
US Historical Documents
Private Notes Lock
In-app purchases
US Historical Documents
No in-app purchases
Private Notes Lock
No in-app purchases
Questions
Is US Historical Documents free?
Is Private Notes Lock free?
Which has better reviews, US Historical Documents or Private Notes Lock?
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