# 脑洞无边AI vs Multitimer

The clearest difference is update cadence: Multitimer at every 3 days against 脑洞无边AI's monthly. 脑洞无边AI's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 脑洞无边AI sells 7 one-off in-app purchases and Multitimer sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

脑洞无边AI ships an update monthly, Multitimer every 3 days. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 脑洞无边AI | Multitimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/multitimer-speak-timer/id6747331446/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 23 MB | 101 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [无锡无边网络技术有限公司](https://appshunter.io/developer/1719083167) | [君 刘](https://appshunter.io/developer/1820821980) |

## What reviewers say

### 脑洞无边AI

[App page](https://appshunter.io/ios/app/ai/id6473520619)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 260能量 | $0.99 | one-time |
| 7日会员 | $0.99 | one-time |
| 1200能量 | $2.99 | one-time |
| 月度会员 | $5.99 | one-time |
| 4600能量 | $6.99 | one-time |
| 10000能量 | $14.99 | one-time |
| 24000能量 | $29.99 | one-time |


### Multitimer

[App page](https://appshunter.io/ios/app/multitimer-speak-timer/id6747331446)

This app offers a versatile suite of timers, including countdowns, stopwatches, Pomodoro, and interval timers. It features voice announcements, auto-repeat, automated task scheduling, and detailed usage logs with statistical analysis.

**Highlights:** Multiple timer types (countdown, stopwatch, Pomodoro, interval), Text-to-speech auxiliary reminders, Auto-repeat functionality, Automated timer tasks, Timer usage logs, Statistical analysis of timer data, Full-screen flip clock with hourly chime

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annual Subscription | $5.99 | per year |
| Lifetime Member | $14.99 | one-time |


## Frequently asked questions

### Is 脑洞无边AI free?

脑洞无边AI is free to download, with in-app purchases available.

### Is Multitimer free?

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

### Do 脑洞无边AI or Multitimer have ads?

Neither 脑洞无边AI nor Multitimer shows ads.

### Which is updated more often, 脑洞无边AI or Multitimer?

脑洞无边AI ships an update monthly, and Multitimer every 3 days. Most recently, 脑洞无边AI was updated on October 4, 2026 and Multitimer on September 30, 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.*