# MsgSecret vs Prometheus

The clearest difference is in-app purchases: Prometheus at none against MsgSecret's 1. Prometheus also leads on update cadence (every 3 months vs every 135 months) and device support. MsgSecret's advantage is ratings volume (4 vs 1). On price, rating and iOS requirement there is nothing between them.

Both are free to download. MsgSecret sells 1 one-off in-app purchase. Prometheus asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for MsgSecret against 5.0 for Prometheus. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

MsgSecret ships an update every 135 months, Prometheus every 3 months. The most recent releases landed on July 31, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | MsgSecret | Prometheus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/msgsecret/id958618403/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/prometheus-age-clock-and-timer/id6757980278/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | Every 135 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | — | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Hassan Chizari](https://appshunter.io/developer/958618402) | [Wouter Stierhout](https://appshunter.io/developer/1454164937) |

## What reviewers say

### MsgSecret

[App page](https://appshunter.io/ios/app/msgsecret/id958618403)

Securely encode and decode messages to protect your privacy from message providers and prying eyes. Share your ciphered messages via email, SMS, social media, and more. Offers multiple ciphering methods for varying security levels.

**Highlights:** Encode and decode messages, Multiple ciphering methods, Share via email, SMS, social media, Passcode/fingerprint authentication, Save ciphering settings for quick access, Shake gesture for encoding/decoding

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Encryption without Adv | $0.99 | one-time |


### Prometheus

[App page](https://appshunter.io/ios/app/prometheus-age-clock-and-timer/id6757980278)

Visualize your life as a continuously updating clock, down to 10 decimal places. Track unique milestones and explore life statistics. Available on iPhone and Apple Watch with customizable widgets and complications.

**Highlights:** Decimal age clock, Life milestone countdowns, Detailed life statistics, Apple Watch app and complications, Home and Lock Screen widgets, Live Activities support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MsgSecret free?

MsgSecret is free to download, with in-app purchases available.

### Is Prometheus free?

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

### Which has better reviews, MsgSecret or Prometheus?

MsgSecret and Prometheus are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Which is updated more often, MsgSecret or Prometheus?

MsgSecret ships an update every 135 months, and Prometheus every 3 months. Most recently, MsgSecret was updated on July 31, 2026 and Prometheus on September 15, 2026.

---

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