Comparison

ThinkByte vs Lemen

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ThinkByte

This AI assistant operates entirely on your device, offering private and fast responses without internet access. It's ideal for brainstorming, learning, and getting writing support, ensuring your data remains secure and local.

Highlights
  • Fully offline AI operation
  • Private and secure on-device data
  • Instant AI responses
  • Choice of local AI models
  • Writing and learning support
  • No accounts or tracking
Read full description

ThinkByte is an AI assistant that runs on your iPhone instead of in the cloud. Ask it a question, talk to it, or show it a photo, and it answers right on the device. Nothing connects to a server, so it works the same on a flight, on the subway, or anywhere with no signal. Your conversations stay on your phone and are never uploaded. Type or talk. Use the keyboard, or hold the mic and speak. ThinkByte takes voice and images, not just text. Choose your model. Download a small, fast model or a larger one for tougher questions, right from the app. More get added over time. Private by default. No account. No sign-up. Your chats never leave your phone. Anonymous diagnostics are optional and you can turn them off in Settings. Built for real life: Flights and travel Subways, basements, and dead zones Limited or expensive data plans Anyone who would rather keep their conversations off other people's servers Download ThinkByte and start chatting, fully offline.

About

Lemen

Access over 30 leading AI models with end-to-end encryption for private conversations. This platform offers smart routing to optimal models and powerful agent tools for web searches, stock checks, and code execution.

Highlights
  • Access 30+ top AI models
  • End-to-end encryption
  • Anonymous message routing
  • Smart model routing
  • Web search integration
  • Stock price checking
  • Python code execution
Features
Read full description

Lemen is a platform that gives you access to the world’s top AI models. Your conversations are encrypted and routed anonymously, so no AI provider can build a profile on you or your data. Whether you're researching, coding, or exploring ideas, Lemen protects your privacy every step of the way. Key Features: All-in-One Access: Tap into 30+ top AI models from leading providers. One Step Encryption: One step to full privacy — Lemen can’t read your messages, and models never see who you are. Smart Routing: Automatically sends your question to an optimal model for the job — or lets you choose. Powerful Agent Tools: Search the web, check stock prices, run Python code, and more. Work smarter, search deeper, and stay anonymous — with Lemen. Terms & Conditions: https://docs.lemen.ai/terms Privacy Policy: https://docs.lemen.ai/privacy

Screenshots

ThinkByte4 screens
Lemen4 screens

Verdict

The call

The clearest difference is rating: Lemen at 5.0 against ThinkByte's 4.1. Lemen also leads on iOS requirement (14.0 vs 17.0). ThinkByte's advantage is ratings volume (11 vs 2). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ThinkByte sells 1 one-off in-app purchase and Lemen sells 7 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Lemen holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: ThinkByte has 11 ratings behind it against 2, so its average is the more settled of the two.

Scorecard3 real differences · 7 level
ThinkByte versus Lemen: the parameters behind the verdict, then further details
ParameterThinkByteLemen
PriceFreeFree
Rating4.1 (11 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings11 — better2
Update frequencyFortnightly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS17.014.0 — better
Further details — not scored
Size64 MB14 MB
Age rating4+17+
DeveloperByteInk L.L.C-FZLemen

Customer experience

ThinkByte

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Lemen

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

ThinkByte

One-time1
  • Lifetime Premium$9.99
7 purchases

Lemen

Subscriptions4
  • Basic Plan$6.991 Month
  • Starter Plan$26.001 Month
  • Pro Plan$52.001 Month
Show 1 more
  • Max Plan$104.991 Month
One-time3
  • $5 Lemen AI usage credits$6.99
  • $10 Lemen AI usage credits$12.99
  • $20 Lemen AI usage credits$24.99

Questions

Is ThinkByte free?
ThinkByte is free to download, with in-app purchases available.
Is Lemen free?
Lemen is free to download, with in-app purchases available.
Which has better reviews, ThinkByte or Lemen?
Lemen is rated higher. ThinkByte averages 4.1 out of 5 from 11 ratings, while Lemen averages 5.0 from 2 ratings.
Do ThinkByte or Lemen have ads?
Neither ThinkByte nor Lemen shows ads.

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