# BOT 3rd vs 生物记

The clearest difference is update cadence: 生物记 at every 3 months against BOT 3rd's every 6 months. BOT 3rd's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

BOT 3rd ships an update every 6 months, 生物记 every 3 months. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | BOT 3rd | 生物记 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Subscription | — |
| Size | 37 MB | 94 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peggy Markham](https://appshunter.io/developer/951379850) | [北京微普科创科技有限公司](https://appshunter.io/developer/1073525273) |

## What reviewers say

### BOT 3rd

[App page](https://appshunter.io/ios/app/bot-3rd-4th-grade-spelling/id951379870)

This app helps third and fourth graders master spelling words for the Texas UIL Spelling contest. It features audio pronunciation, interactive typing, and tracks progress, keeping misspelled words in rotation until mastered. A subscription unlocks all contest words for the current school year.

**Highlights:** UIL spelling word lists, Audio pronunciation, Interactive typing practice, Progress tracking, Misspelled word review, Subscription for full content

**Features:** macOS Compatibility

**In-app purchases:** none


### 生物记

[App page](https://appshunter.io/ios/app/id1468297340)

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

**In-app purchases:** none


## Frequently asked questions

### Is BOT 3rd free?

BOT 3rd is free to download, with no in-app purchases.

### Is 生物记 free?

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

### Do BOT 3rd or 生物记 have ads?

Neither BOT 3rd nor 生物记 shows ads.

### Which is updated more often, BOT 3rd or 生物记?

BOT 3rd ships an update every 6 months, and 生物记 every 3 months. Most recently, BOT 3rd was updated on November 5, 2026 and 生物记 on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*