Sticky vs Penpal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sticky
Create and discover augmented reality sticky notes in the real world. Share thoughts, photos, and memories tied to specific locations, and connect with others who have visited or will visit the same places.
- Augmented reality sticky notes
- Post thoughts and photos
- Discover posts around you
- Connect with local users
- Location-based memory keeping
- Global post discovery
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Have fun posting your thoughts and photos to a real wall with Augmented Reality sticky notes, and find posts around you! It's the perfect way to keep your memories at the place they were made. And it's free! Why sticky? - Post your thoughts and photos where they matter. - Connect with people who were at the place before you and with those who visit after you. - Plus, see posts attached to places all over the world right from the app. *To ensure your posts attach to your location properly, please allow sticky access to: - your location while you are using the app (so you can see the posts around you and so that your post is attached to your current location not somewhere in the middle of the sea, unless that is where you are!) - the camera (so you can view posts around you and to capture the moment to post to where you are.) - your photos (so you can attach your own photos to where you are.) Connect with sticky also on: Facebook @stickyar Instagram @sticky_ar Twitter @stickyar www.stickyar.com
Penpal
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Write meaningful letters and watch it route through a virtual network Postal is for couples, close friends, and anyone who wants something slower and more meaningful than texting. Type a thoughtful note or handwrite one with Apple Pencil. Stamp it, send it through a virtual postal network, and watch it travel facility by facility until it arrives. WHY POSTAL IS DIFFERENT • Tools to handwrite your letter, not just sending chats back and fourth • You don't have a "handle", you get virtual mailboxes to receive letters • Easily save addresses of your pen pals to keep the letters flowing • Each letter follows a realistic route as it flows through the network • Meaningful by design. The anticipation make each letter feel intentional • Send it later. Optionally hold a letter sealed until a later date. HOW IT WORKS 1. Claim your mailbox at a post office 2. Add someone by scanning their invite or looking up their mailbox 3. Write your letter 4. Select when it can be opened 5. Track it as it moves through the network PERFECT FOR • Couples in long-distance relationships • Close friends who want to stay connected in a more personal way • Pen pals, near or far • Birthdays, anniversaries, and moments worth a handwritten letter and not a chat bubble POSTAL PLUS Upgrade for unlimited sends, more mailboxes, detailed tracking notifications, and exact unlock times with route estimates. Download Postal and send something worth opening. Terms of Service: https://jackk.dev/projects/postal/terms/ Privacy Policy: https://jackk.dev/projects/postal/privacy/
Screenshots
Verdict
The clearest difference is in-app purchases: Sticky at none against Penpal's 2. Sticky also leads on iOS requirement (8.0 vs 17.0). On price, ads 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
Both are free to download. Penpal sells 2 in-app purchases, starting at $3.99 per month. Sticky asks for nothing beyond the download.
| Parameter | Sticky | Penpal |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (5 ratings) — better | — |
| Positive reviews | 77.8% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 59 MB | 19 MB |
| Age rating | 9+ | 4+ |
| Developer | Uriverse, Inc. | Jack Kroll |
In-app purchases
Sticky
No in-app purchases
Penpal
- Plus (Monthly)$3.991 Month
- Plus (Annual)14 Days trial$29.991 Year









