# Theta vs BellAlert

The clearest difference is update cadence: BellAlert at every 2 days against Theta's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Theta ships an update every 3 months, BellAlert every 2 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Theta | BellAlert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (12 ratings)](https://appshunter.io/ios/app/bellalert/id6779449849/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 18 MB | 35 MB |
| Requires iOS | 17 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Mikhail Fedorov](https://appshunter.io/developer/714735606) | [Curtis Waldner](https://appshunter.io/developer/1884501380) |

## What reviewers say

### Theta

[App page](https://appshunter.io/ios/app/theta-meter-x/id1510300649)

**In-app purchases:** none


### BellAlert

[App page](https://appshunter.io/ios/app/bellalert/id6779449849)

Assign custom sounds to notifications to instantly know what's happening without looking at your phone. Share unique alert codes with others to send them instant, personalized notifications with their chosen sounds. Manage alerts with timestamps, disappearing notifications, and an "oops" feature to un-ring alerts.

**Highlights:** Custom sounds for each notification, Shareable alert codes, Instant alerts on recipient devices, Home Screen widget for quick alerts, Undo/cancel sent alerts, Disappearing notifications, Private and track-free design

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

**In-app purchases:** none


## Frequently asked questions

### Is Theta free?

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

### Is BellAlert free?

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

### Do Theta or BellAlert have ads?

Neither Theta nor BellAlert shows ads.

### Which is updated more often, Theta or BellAlert?

Theta ships an update every 3 months, and BellAlert every 2 days. Most recently, Theta was updated on October 29, 2026 and BellAlert on October 31, 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.*