# ClockChime vs Stolo Systems

The clearest difference is monetization model: Stolo Systems at free against ClockChime's free with in-app purchases. ClockChime's advantage is update cadence (every 8 days vs every 3 weeks). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ClockChime ships an update every 8 days, Stolo Systems every 3 weeks. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ClockChime | Stolo Systems |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (10 ratings)](https://appshunter.io/ios/app/stolo-systems/id6788348702/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 265 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [小明 张](https://appshunter.io/developer/1883078262) | [Stolo Systems Inc.](https://appshunter.io/developer/6788348704) |

## What reviewers say

### ClockChime

[App page](https://appshunter.io/ios/app/clockchime/id6784470673)

This app announces the current time hourly and on the half-hour, helping you stay aware without checking your device. It offers native performance, low resource usage, and customizable chime settings.

**Highlights:** Hourly chime announcements, Half-hourly chime announcements, Voice time announcements, Smart skip during silent mode/calls, Customizable active days, Shake to speak functionality, Custom event reminders

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Stolo Systems

[App page](https://appshunter.io/ios/app/stolo-systems/id6788348702)

This app provides encrypted, off-grid messaging that functions without internet connectivity. It creates a peer-to-peer mesh network using Wi-Fi, cellular, or LoRa radio, enabling secure communication of messages, photos, voice notes, and GPS locations even when cell towers or servers are unavailable.

**Highlights:** Off-grid encrypted messaging, Peer-to-peer mesh network, Works without internet, End-to-end encryption, Offline world map, Emergency SOS beacon

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ClockChime free?

ClockChime is free to download, with no in-app purchases.

### Is Stolo Systems free?

Stolo Systems is free to download, with no in-app purchases.

### Do ClockChime or Stolo Systems have ads?

Neither ClockChime nor Stolo Systems shows ads.

### Which is updated more often, ClockChime or Stolo Systems?

ClockChime ships an update every 8 days, and Stolo Systems every 3 weeks. Most recently, ClockChime was updated on October 9, 2026 and Stolo Systems on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*