# 倒计时器 vs LT

The clearest difference is in-app purchases: LT at none against 倒计时器's 10. LT also leads on ads (none vs shown). 倒计时器's advantage is update cadence (every 3 weeks vs every 17 months) and iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. 倒计时器 sells 10 one-off in-app purchases. LT asks for nothing beyond the download.

倒计时器 ships an update every 3 weeks, LT every 17 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 倒计时器 | LT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 17 months |
| Size | 77 MB | 19 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Changsha Gengyun Network Technology Co., Ltd](https://appshunter.io/developer/1498713734) | [ZHUHAI L-TWOO SPORTS TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1594488765) |

## What reviewers say

### 倒计时器

[App page](https://appshunter.io/ios/app/id1580529007)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 倒计时产品一 | $0.99 | one-time |
| 倒计时产品二 | $1.99 | one-time |
| 倒计时产品三 | $4.99 | one-time |
| 倒计时产品四 | $7.99 | one-time |
| 倒计时产品五 | $12.99 | one-time |
| 倒计时产品六 | $20.99 | one-time |
| One Month Vip | $28.00 | one-time |
| One Year Vip | $32.00 | one-time |
| One Month Pro | $58.00 | one-time |
| One Year Vip Pro | $66.00 | one-time |


### LT

[App page](https://appshunter.io/ios/app/lt-tool/id6473872070)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 倒计时器 free?

倒计时器 is free to download, with in-app purchases available.

### Is LT free?

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

### Do 倒计时器 or LT have ads?

倒计时器 shows ads; LT does not.

### Which is updated more often, 倒计时器 or LT?

倒计时器 ships an update every 3 weeks, and LT every 17 months. Most recently, 倒计时器 was updated on October 7, 2026 and LT on October 4, 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.*