# Life Battery vs Saigon MRT

The clearest difference is ads: Saigon MRT at none against Life Battery's shown. Saigon MRT also leads on iOS requirement (15 vs 18.0). Life Battery's advantage is update cadence (every 9 days vs monthly). On price, 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.

Life Battery ships an update every 9 days, Saigon MRT monthly. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Life Battery | Saigon MRT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/life-battery-time-left-clock/id6449723058/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free | — |
| Size | 43 MB | 22 MB |
| Requires iOS | 18.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ren Usuda](https://appshunter.io/developer/1682753243) | [Duy Tan Nguyen](https://appshunter.io/developer/1806618735) |

## What reviewers say

### Life Battery

[App page](https://appshunter.io/ios/app/life-battery-time-left-clock/id6449723058)

This app serves as a reflective tool, visualizing your remaining time. It encourages mindfulness and prompts you to cherish each moment, acting as a gentle reminder of life's finite nature.

**Highlights:** Visualizes remaining life time, Encourages mindfulness, Prompts to cherish moments, Gentle reminder of life's finiteness

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

**In-app purchases:** none


### Saigon MRT

[App page](https://appshunter.io/ios/app/saigon-mrt/id6744263363)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Life Battery free?

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

### Is Saigon MRT free?

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

### Do Life Battery or Saigon MRT have ads?

Life Battery shows ads; Saigon MRT does not.

### Which is updated more often, Life Battery or Saigon MRT?

Life Battery ships an update every 9 days, and Saigon MRT monthly. Most recently, Life Battery was updated on October 19, 2026 and Saigon MRT on October 4, 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.*