# TimeMeter vs R90 Sleepytime

The clearest difference is review sentiment: R90 Sleepytime at 100% against TimeMeter's 0%. R90 Sleepytime also leads on update cadence (every 4 days vs every 13 months). TimeMeter's advantage is price (Free vs $0.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

TimeMeter is free to download; R90 Sleepytime costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TimeMeter ships an update every 13 months, R90 Sleepytime every 4 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TimeMeter | R90 Sleepytime |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/timemeter/id6742106160/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 1 MB | 72 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [坤 倪](https://appshunter.io/developer/1719559609) | [志加 徐](https://appshunter.io/developer/1868269300) |

## What reviewers say

### TimeMeter

[App page](https://appshunter.io/ios/app/timemeter/id6742106160)

This app offers a unique way to visualize time progression with a retro CRT monitor aesthetic. It displays daily, weekly, monthly, and yearly progress with elegant animations and customizable widget layouts. Designed for time management enthusiasts and fans of vintage design.

**Highlights:** Time progress visualization, Retro CRT display style, Customizable widget order, Elegant animation effects, Dark mode support, Multiple widget sizes

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

**In-app purchases:** none


### R90 Sleepytime

[App page](https://appshunter.io/ios/app/r90-sleepytime/id6757743725)

This app calculates optimal sleep and wake times based on scientific sleep cycles. It also offers guided meditations and soothing sounds to help you relax and fall asleep faster.

**Highlights:** Sleep cycle calculation, Optimal wake time suggestions, Soothing sleep music, Guided meditation, Anxiety relief, Relaxation techniques

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

**In-app purchases:** none


## Frequently asked questions

### Is TimeMeter free?

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

### Is R90 Sleepytime free?

R90 Sleepytime costs $0.99, with no in-app purchases.

### Do TimeMeter or R90 Sleepytime have ads?

Neither TimeMeter nor R90 Sleepytime shows ads.

### Which is updated more often, TimeMeter or R90 Sleepytime?

TimeMeter ships an update every 13 months, and R90 Sleepytime every 4 days. Most recently, TimeMeter was updated on October 26, 2026 and R90 Sleepytime on October 28, 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.*