Call by Color 36 vs Unread.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Call by Color 36
Quickly call your most important contacts with a single tap. Store up to 36 phone numbers on customizable tiles, organized across three screens. Personalize the look with colors and adjust font sizes for better readability.
- Up to 36 phone numbers
- 12 tiles on three screens
- Customizable font size
- Screen color customization
- Dark mode support
- Tap to call functionality
- No ads
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Store the phone numbers of your friends and family on the speed-dial keys. This app gives you immediate access to your most important phone numbers. No more searching the address book – just tap a tile and start the phone call. Features - 12 tiles on three screens - up to 36 phone numbers - for better legibility the font size can be customized - nice colors - customize the screens with different colors - pick names and numbers from your contacts – supports dark mode - no ads - tap to start a phone call - double tap or long tap a tile to edit Privacy No cloud storage – all data stays on your iPhone. No tracking.
Unread.
This app provides a private space to write messages and record voice notes to people you can no longer communicate with. It's designed for emotional processing, closure, and remembrance, offering a sanctuary for unspoken words without any expectation of replies or delivery.
- Private message writing
- Voice memo recording
- No read receipts or replies
- Device-only data storage
- Immersive chat themes
- Emotional conversation deletion options
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Is there someone you can no longer talk to, but still have so much to say? A lost love, a friend who drifted away, a family member who has passed on. We all have unsent messages in our hearts. Unread is a quiet, private sanctuary for your unspoken words. Create a conversation for them, just like in your favorite chat app. Write messages or record voice notes. Pour out your heart, your anger, your love, your regret. But here, there are no read receipts, no replies. Your messages will remain forever unread, forever undelivered. Because sometimes, just saying it is enough. [Who Is It For?] Finding Closure: For healing after a breakup by writing down everything you wish you had said. Remembering a Loved One: A private memorial where you can continue to share your life and thoughts with those who have passed. Mending in Spirit: For unspoken apologies or words of gratitude to friends you've lost touch with. Letters to Yourself: A space for monologue with your past or future self, to forgive, to hope, to understand. [A Unique Experience] Absolute Privacy. No Cloud. Your secrets are yours alone. All data is stored only on your device. Period. We have no servers and no access to your content. Immersive Interface: Meticulously designed chat themes that feel familiar, helping you immerse yourself in the conversation. A More Human Farewell: Deleting a conversation is an emotional act. Instead of a cold 'Delete' button, Unread offers a word that fits your feeling, like Treasure, Let Go, or Seal Away, each paired with a unique, beautiful icon. Voice Memos: Send your raw feelings, sighs, and whispers included. Your true voice, captured and released. Unread doesn't help you forget. It gives you a beautiful, private place to remember.
Screenshots
Verdict
The clearest difference is iOS requirement: Unread. at 15.6 against Call by Color 36's 18.5. 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
Call by Color 36 costs $0.99 and Unread. $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Call by Color 36 ships an update every 4 months, Unread. every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Call by Color 36 | Unread. |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.5 | 15.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Andreas Vogel | 均伟 朱 |
Customer experience
Call by Color 36
Unread.
In-app purchases
Call by Color 36
No in-app purchases
Unread.
No in-app purchases









