NianNian vs BrainJD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NianNian
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On NianNian, find your AI companion. They’re gentle, adorable, and understand your subtle feelings—always there to respond whenever you need them. You can shape your ideal character to chat with and grow together, or simply enjoy their thoughtful care through morning “good mornings” and evening “good nights,” just like a close friend. From sharing little daily moments to quiet companionship anytime, NianNian fills every moment with joy and comfort. User Agreement: https://applet.icpnt.com/agreement.html?id=34 Privacy Policy: https://applet.icpnt.com/agreement.html?id=35 Membership Service Agreement: https://applet.icpnt.com/agreement.html?id=33
BrainJD
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BrainJD is a voice interaction and character configuration app built for smart companion hardware BrainJD, helping users create one-of-a-kind companion characters that grow and evolve over time. Character Design Users can create and fine-tune a dedicated character for each BrainJD device. By adjusting personality traits, behavioral preferences, and conversational style, they gradually shape a stable, distinctive persona - one that exhibits consistent and perceptible personality traits across long-term interactions. Doll Voice (Voice Capabilities) The app supports loading and managing multiple voice models, with options for voice selection and voice cloning. This gives each persona a vocal expression that resonates with the user's emotional expectations, enhancing the realism, intimacy, and immersion of voice conversations. Dollingo (Character Sharing Platform) Dollingo is a character sharing platform for BrainJD users. Users can browse, share, or adopt doll configurations created by others, discover companion characters of varying styles and settings, and expand their creative inspiration and ways to interact. BrainJD continuously strengthens the emotional coherence and engagement of smart companionship through voice interaction, personalized configuration, and community co-creation.
Screenshots
Verdict
The clearest difference is update cadence: BrainJD at every 3 days against NianNian's every 3 weeks. NianNian's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. NianNian sells 3 one-off in-app purchases and BrainJD sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
NianNian ships an update every 3 weeks, BrainJD every 3 days. Both last shipped on November 5, 2026.
| Parameter | NianNian | BrainJD |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 57 MB | 109 MB |
| Age rating | 4+ | 12+ |
| Developer | Beijing Xinchuang Power Network Technology Co., Ltd. | 非格式(杭州)智能科技有限公司 |
In-app purchases
NianNian
- 600 gold coins$0.99
- 1800 gold coins$1.99
- 3000 gold coins$3.99
BrainJD
- 瓦片充值$0.99
- 创建复刻音色卡$2.99
- 瓦片充值$3.99
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- 季度会员$6.99
- 瓦片充值$9.99
- 购买自定义娃音$12.99
- 瓦片充值$19.99
- 年度会员$24.99
- 瓦片充值$49.99
- 瓦片充值$99.99









