# PhyModel vs Timing Todos

The clearest difference is price: Timing Todos at Free against PhyModel's $1.99. Timing Todos also leads on iOS requirement (17.6 vs 27.0). PhyModel's advantage is in-app purchases (none vs 4). On update cadence, ads and device support there is nothing between them.

Timing Todos is free to download; PhyModel costs $1.99 up front. Timing Todos sells 4 in-app purchases, starting at $0.99 per month. PhyModel asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 11, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | PhyModel | Timing Todos |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 106 MB | 8 MB |
| Requires iOS | 27.0 | **17.6** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, Mac |
| Age rating | 9+ | 4+ |
| Developer | [文庚 苏](https://appshunter.io/developer/1643312402) | [子源 董](https://appshunter.io/developer/1701284151) |

## What reviewers say

### PhyModel

[App page](https://appshunter.io/ios/app/phymodel/id1643325396)

**In-app purchases:** none


### Timing Todos

[App page](https://appshunter.io/ios/app/timing-todos/id6472170099)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Semiannually | $3.99 | per 6 months |
| Yearly | $3.99 | per year |
| Permanent | $7.99 | one-time |


## Frequently asked questions

### Is PhyModel free?

PhyModel costs $1.99, with no in-app purchases.

### Is Timing Todos free?

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

### Do PhyModel or Timing Todos have ads?

Neither PhyModel nor Timing Todos shows ads.

### Which is updated more often, PhyModel or Timing Todos?

PhyModel ships an update fortnightly, and Timing Todos fortnightly. Most recently, PhyModel was updated on October 11, 2026 and Timing Todos on September 26, 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.*