Meshtastic vs K.O. II Calc.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Meshtastic
This app enables off-grid, decentralized text messaging using low-power LoRa radios. It creates a mesh network for communication in areas lacking cellular or WiFi service. The open-source platform is designed for reliable, decentralized connectivity.
- Off-grid communication
- Decentralized mesh network
- LoRa radio integration
- Text messaging
- Open source platform
- Low-power operation
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Meshtastic® is an open source, off-grid, decentralized, mesh network built to run on low-power Lora radios letting you send text messages in areas without reliable cellular or WiFi service.
K.O. II Calc.
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Calculator with the look and feel of Teenage Engineering’s K.O. II
Screenshots
Verdict
The clearest difference is in-app purchases: Meshtastic at none against K.O. II Calc.'s 2. Meshtastic also leads on update cadence (weekly vs monthly) and device support (5 vs 1). On price, ads and iOS requirement 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. K.O. II Calc. sells 2 one-off in-app purchases. Meshtastic asks for nothing beyond the download.
Meshtastic ships an update weekly, K.O. II Calc. monthly. The most recent releases landed on November 7, 2026 and October 14, 2026 respectively.
| Parameter | Meshtastic | K.O. II Calc. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (846 ratings) — better | — |
| Positive reviews | 44.0% of reviews | — |
| Number of ratings | 846 — better | — |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac, Apple TV, Apple Watch — better | iPhone |
| Requires iOS | 17.5 — better | 18.6 |
| Further details — not scored | ||
| Size | 147 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Meshtastic LLC | Jesus Evert Corral Pedraza |
Bugs and requests
Meshtastic
Reported bugs
4 issues- Canned messages configuration issues
- Location sharing and traceroute functions not working
- Settings screen bugs and crashes
- Inconsistent behavior when switching between devices
Requested features
5 requests- Offline maps support
- Ability to customize notifications
- More sorting and filtering options for nodes
- Apple Watch and Shortcuts integration
- Improved documentation and user guidance
K.O. II Calc.
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Meshtastic
No in-app purchases
K.O. II Calc.
- Espresso coffee$1.99
- Cappuccino coffee$2.99
Questions
Is Meshtastic free?
Is K.O. II Calc. free?
Do Meshtastic or K.O. II Calc. have ads?
Which is updated more often, Meshtastic or K.O. II Calc.?
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