CAT S22 Flip vs Mudita Kompakt
Our Winner: Mudita Kompakt
The Mudita Kompakt is the E-ink phone for people who found the Light Phone II too small: a big calm screen, multi-day battery, offline maps, and a genuinely mindful feature set. The CAT S22 Flip remains the better choice if the ~$380 savings matter more than the differences below.
Feature Comparison
| Specification | CAT S22 Flip | Mudita Kompakt |
|---|---|---|
| Brand | CAT | Mudita |
| Model number | S22H | MK-01 |
| Release year | 2021 | 2025 |
| Availability | available | available |
| Price | $59 | $439 |
| Operating system | Android 11 (Go edition) | MuditaOS K (AOSP-based) |
| Processor | Qualcomm QCM2150 | Quad-core ARM |
| RAM | 2GB | 3GB |
| Storage | 16GB | 32GB |
| Expandable storage | microSD up to 256GB | microSD supported |
| Display | 2.8" touchscreen main + external display | 4.3" E-ink touchscreen |
| Battery | 2000 mAh | 3300 mAh |
| Battery life | Up to 8 days standby | 2-6 days typical use |
| Weight | 230 g | 154 g |
| Dimensions | 112.6 x 57.2 x 21.9 mm | 138 x 68 x 9.6 mm |
| Camera | 5MP with flash | 8MP rear |
| Form factor | flip | bar |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| NFC | No | No |
| USB-C | Yes | Yes |
| Hotspot | Yes | Yes |
| Dual SIM | No | Yes |
| VoLTE | Yes | Yes |
| Hearing aid compatibility | HAC M4/T3 | Not rated |
| Network support | 4G LTE (T-Mobile) | 4G LTE |
| US carriers | T-Mobile | T-Mobile, AT&T |
Design
CAT S22 Flip
Thick rubberized bumpers, textured grip, huge backlit keys, and a hinge rated for years of flipping. At 230 grams you will always know it is in your pocket.
Mudita Kompakt
Soft-touch casing and honest, simple industrial design. It is larger than other minimalist phones, which is exactly why its E-ink screen is so readable.
Battery
CAT S22 Flip
The 2000 mAh battery runs a couple of days of heavy talk use. USB-C charges it fast, and the phone tolerates being charged in dusty, wet environments.
Mudita Kompakt
The 3300 mAh battery is the largest in its class, delivering up to nearly a week of light use — the best endurance of any minimalist phone.
Features & Connectivity
CAT S22 Flip
4G VoLTE on T-Mobile, Wi-Fi, GPS, Bluetooth 4.2, and hotspot support. Being Android, it can technically run apps like Maps or WhatsApp if you choose to install them.
Mudita Kompakt
4G VoLTE, Wi-Fi, Bluetooth, GPS with offline maps, hotspot, and dual SIM (nano + eSIM). US support covers T-Mobile and AT&T, not Verizon.
Privacy
CAT S22 Flip
It is a Google Android device, so expect standard Google telemetry unless you skip signing in. Among rugged flips, the Sonim and Kyocera options are leaner.
Mudita Kompakt
MuditaOS K is offline-first with no ads, no telemetry-driven business model, and open communication about data practices.
Ease of Use & Performance
CAT S22 Flip
Android Go is occasionally slow but stable. Calls are loud and clear, and the speakerphone cuts through machinery noise.
Mudita Kompakt
E-ink imposes a deliberate pace. The 8MP camera handles documentation shots; the music player and e-reader are surprisingly good.
Value
The CAT S22 Flip sells for about $59 and the Mudita Kompakt for about $439. That makes the CAT S22 Flip the value pick by roughly $380 — worth weighing against the feature differences above.
Final Recommendation
Buy the Mudita Kompakt if you want the stronger overall package — especially for minimalists and privacy use. Choose the CAT S22 Flip if your priority is construction or outdoor, or if budget is the deciding factor.
Buy the CAT S22 Flip
CAT S22 Flip · $59We may earn a commission when you buy through these links, at no cost to you.
Buy the Mudita Kompakt
Mudita Kompakt · $439We may earn a commission when you buy through these links, at no cost to you.