BottleApp vs Karri.io
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
BottleApp
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Share moments with your friends and followers like never before... BottleApp is original, FREE, fun to use and the latest generation of GPS location-based messaging... Step 1: Choose to Post or Send ⒠POST a GPS Bottle on social media, ⒠or SEND privately to contacts. Step 2: Add contents: ⒠Text, Audio ⒠Photos, Videos ⒠Documents, Links Step 3: Place the GPS Bottle on the map: ⒠It opens at your current location. Place it there, or scroll the globe to locate it anywhere. Step 4: Location Condition: ⒠Get people moving by adding an access radius⦠or ⒠SKIP this condition to allow it to be opened from anywhere. Step 5: Time Condition: ⒠Send your GPS Bottle into the future by adding a Time Window. ⒠Set a challenge by adding a Countdown Timer⦠or ⒠SKIP this condition to allow it to be opened at any time at all. Step 6: Edit, add Bottles, Post or Send ⒠Edit your GPS Bottle, ⒠add another inside it to create a chain⦠or ⒠press POST or SEND Share moments in time, and post them to the locations they took place: holiday snaps, childhood photos, places you lived or where you went to school. Set challenges, activities, and organize events: Treasure hunts, parties, pub crawls, and routes. Post promotional GPS Bottles with coupons inside. Work with influencers to generate footfall to your location or event.
Karri.io
Facilitates one-to-one and group communication between parents and children. Connects families through a dedicated smartphone application and child-friendly devices.
- One-to-one communication
- Group communication
- Parent-child connection
- Smartphone app integration
- Dedicated child devices
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Karri allows for one-to-one and group communication between parents and children via their Messengers and our smartphone app.
Screenshots
Verdict
The clearest difference is in-app purchases: Karri.io at none against BottleApp's 1. BottleApp's advantage is update cadence (every 9 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. BottleApp sells 1 in-app purchase, starting at $2.99 per year. Karri.io asks for nothing beyond the download.
BottleApp ships an update every 9 days, Karri.io monthly. The most recent releases landed on September 13, 2026 and September 23, 2026 respectively.
| Parameter | BottleApp | Karri.io |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | Every 9 days β better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Monetization | β | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 β better |
| Further details β not scored | ||
| Size | 62 MB | 123 MB |
| Age rating | 17+ | 4+ |
| Developer | BottleApp Messenger S.L. | Karri.io Ltd. |
In-app purchases
BottleApp
- One Year Subscription$2.991 Year
Karri.io
No in-app purchases









