Chalk vs Postfolk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chalk
Connect with friends nearby through drawing and typing, no internet needed. Rediscover the fun of retro doodle chat for spontaneous conversations.
- Draw and chat with friends
- Local, offline connectivity
- Retro doodle interface
- Type messages
- Spontaneous conversations
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Draw, type, and chat with friends nearby - no internet required.
Postfolk
This app reimagines messaging by turning digital messages into physical letters that travel via virtual couriers. Users can follow their letters' journeys on a map and enjoy a more deliberate communication experience without instant notifications or online statuses.
- Messages sent as letters
- Virtual courier tracking
- Map-based journey visualization
- Personalized courier selection
- Organized mailbox view
- No typing indicators or online status
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Your message will not simply appear. It will arrive. Postfolk is a different kind of messaging app - one where messages become letters, couriers carry them across real journeys, and your friends wait for them to arrive. Write something meaningful. Choose the envelope. Pick a courier. Then send your letter on its way. Instead of appearing instantly in another inbox, your letter travels toward its destination. Follow the journey on the map, see your courier making progress, and wait for the moment it finally arrives. *** MESSAGING WITH A JOURNEY IN BETWEEN Every letter has somewhere to go. Distance and delivery time become part of the experience instead of disappearing behind an instant notification. *** YOUR OWN COURIERS Choose the courier who carries your letters. Each has their own personality and style, making every journey feel a little more personal. *** A MAILBOX, NOT ANOTHER CHAT FEED Postfolk organizes your correspondence around the people you write to. Letters can be sent, received, revisited, and remembered without turning every conversation into an endless stream of bubbles. *** COMMUNICATION WITHOUT PRESSURE No typing indicators. No online status. No pressure to respond the moment something appears. Postfolk gives every message time to travel - and every person time to reply. *** WATCH THE JOURNEY Follow couriers across real routes and see incoming and outgoing letters making their way between postboxes. *** YOUR POSTAL WORLD Keep track of new arrivals, journeys in progress, your couriers, friends, and everything happening around your Post Office. Postfolk is for friends, families, couples, pen pals, and anyone who thinks communication can mean more when it asks a little less of us. Write when you have something worth sending. Postfolk - letters worth waiting for...
Screenshots
Verdict
The clearest difference is rating: Postfolk at 5.0 against Chalk's 4.4. Postfolk also leads on in-app purchases (none vs 1) and ads (none vs shown). Chalk's advantage is ratings volume (28 vs 1) and iOS requirement (17.0 vs 26.0). On price 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. Chalk sells 1 one-off in-app purchase. Postfolk asks for nothing beyond the download.
Postfolk holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Chalk has 28 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | Chalk | Postfolk |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (28 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 77.8% of reviews | — |
| Number of ratings | 28 — better | 1 |
| Update frequency | Every 9 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 21 MB | 64 MB |
| Age rating | 12+ | 4+ |
| Developer | Ouroboros Technologies, LLC | Anatolii Lukovnikov |
Customer experience
Chalk
Postfolk
In-app purchases
Chalk
- Rainbow Brush$2.99
Postfolk
No in-app purchases









