# Glow Timer vs Simple Calculator

The clearest difference is price: Glow Timer at Free against Simple Calculator's $0.99. Simple Calculator's advantage is update cadence (every 5 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Glow Timer is free to download; Simple Calculator costs $0.99 up front. Glow Timer sells 1 one-off in-app purchase and Simple Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Glow Timer ships an update every 3 months, Simple Calculator every 5 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Glow Timer | Simple Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 1 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kazuma Takahashi](https://appshunter.io/developer/1870418340) | [SMART BIT K.K](https://appshunter.io/developer/1896559487) |

## What reviewers say

### Glow Timer

[App page](https://appshunter.io/ios/app/glow-timer/id6758038018)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mode | $3.99 | one-time |


### Simple Calculator

[App page](https://appshunter.io/ios/app/simple-calculator-soft-keys/id6789476119)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Skin Pack | $2.99 | one-time |


## Frequently asked questions

### Is Glow Timer free?

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

### Is Simple Calculator free?

Simple Calculator costs $0.99, and also offers in-app purchases.

### Do Glow Timer or Simple Calculator have ads?

Neither Glow Timer nor Simple Calculator shows ads.

### Which is updated more often, Glow Timer or Simple Calculator?

Glow Timer ships an update every 3 months, and Simple Calculator every 5 weeks. Most recently, Glow Timer was updated on November 5, 2026 and Simple Calculator on November 10, 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.*