BuddyAi vs Lexis Graph
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BuddyAi
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AI voice dialogue with a button 1. Natural interruption and continuous dialogue: supports users to interrupt AI replies at any time, with a response delay of ≤340ms, simulating the rhythm of real-life dialogue; supports multiple rounds of context memory to achieve continuous question-and-answer interaction. 2. Multi-language and real-time translation: built-in 10+ language recognition and mutual translation (including Chinese/English), and the dialogue content automatically generates text transcription
Lexis Graph
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Understand words through graphs, not isolated memorization. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: BuddyAi at none against Lexis Graph's 3. BuddyAi also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Lexis Graph sells 3 in-app purchases, starting at $1.99 per month. BuddyAi asks for nothing beyond the download.
BuddyAi ships an update every 6 days, Lexis Graph every 3 weeks. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.
| Parameter | BuddyAi | Lexis Graph |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 116 MB | 121 MB |
| Age rating | 4+ | 4+ |
| Developer | 剑峰 林 | 禹 杜 |
In-app purchases
BuddyAi
No in-app purchases
Lexis Graph
- 「Lexis Graph」Pro Monthly$1.991 Month
- 「Lexis Graph」Pro Yearly$14.991 Year
- 「Lexis Graph」Pro Lifetime$19.99
