# SeiwaChanger vs Tempo study timer

SeiwaChanger and Tempo study timer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SeiwaChanger | Tempo study timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 1 MB | 81 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yuji oka](https://appshunter.io/developer/1523777117) | [Daihun Kim](https://appshunter.io/developer/1881549980) |

## What reviewers say

### SeiwaChanger

[App page](https://appshunter.io/ios/app/seiwachanger/id1615239477)

**Features:** Apple Watch app

**In-app purchases:** none


### Tempo study timer

[App page](https://appshunter.io/ios/app/tempo-study-timer/id6759906734)

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

**In-app purchases:** none


## Frequently asked questions

### Is SeiwaChanger free?

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

### Is Tempo study timer free?

Tempo study timer is free to download, with no in-app purchases.

### Do SeiwaChanger or Tempo study timer have ads?

Neither SeiwaChanger nor Tempo study timer shows ads.

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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.*