# Timeflies vs ByWhen

The clearest difference is in-app purchases: Timeflies at none against ByWhen's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ByWhen sells 3 in-app purchases, starting at $4.99 per month. Timeflies asks for nothing beyond the download.

Timeflies ships an update every 3 days, ByWhen every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Timeflies | ByWhen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/timeflies-deadline/id6761347387/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free | — |
| Size | 1 MB | 10 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Haiping Sun](https://appshunter.io/developer/1889042424) | [NiONlite LLC](https://appshunter.io/developer/1891899842) |

## What reviewers say

### Timeflies

[App page](https://appshunter.io/ios/app/timeflies-deadline/id6761347387)

This app helps you stay focused on important goals by creating visual countdowns for deadlines, exams, or personal milestones. Break down your objectives into manageable tasks and track your progress to turn pressure into steady advancement.

**Highlights:** Create countdowns for any event, Track time remaining in various units, Break down goals into actionable tasks, Check off completed tasks, Build reminder plans with local notifications, Local data storage

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

**In-app purchases:** none


### ByWhen

[App page](https://appshunter.io/ios/app/bywhen-deadline-planner/id6778767584)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $39.99 | per year |
| Lifetime Premium | $79.99 | one-time |


## Frequently asked questions

### Is Timeflies free?

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

### Is ByWhen free?

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

### Do Timeflies or ByWhen have ads?

Neither Timeflies nor ByWhen shows ads.

### Which is updated more often, Timeflies or ByWhen?

Timeflies ships an update every 3 days, and ByWhen every 5 days. Most recently, Timeflies was updated on October 31, 2026 and ByWhen 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.*