Comparison

ThinkByte vs OfflineGPT

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

OfflineGPT

This AI assistant operates entirely on your device, offering private and secure conversations and image generation without an internet connection. Experience fast, smart assistance for creativity, productivity, and learning, all while keeping your data completely private.

Highlights
  • Offline AI chat and image generation
  • Private and secure local processing
  • Fast response times
  • Supports creativity and productivity
  • No internet connection required
  • No accounts or tracking
Features
Read full description

HOW TO USE OfflineGPT: 1. Open the app — no internet required 2. Start chatting or generating images instantly Your private AI assistant, always available — even offline. WHY CHOOSE OfflineGPT? PRIVATE: Everything happens locally on your device. Your chats, prompts, and images never leave your phone. No accounts, no servers, no tracking — just you and your AI. OFFLINE: OfflineGPT works completely without an internet connection. Chat, brainstorm, or create stunning images anytime, anywhere. FAST: Powered by optimized on-device AI models, responses and images are generated in seconds — even faster than cloud-based AIs. SMART: Designed for creativity, productivity, and learning, OfflineGPT helps you write, think, and visualize — all while keeping your data secure. Experience the freedom of Private, Fast, Local AI with OfflineGPT today! Purchase required to access app features. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ThinkByte4 screens
OfflineGPT3 screens

Verdict

The call

The clearest difference is review sentiment: OfflineGPT at 100% against ThinkByte's 50%. OfflineGPT also leads on rating (5.0 vs 4.1). ThinkByte's advantage is ratings volume (11 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases 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 OfflineGPT sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

OfflineGPT 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 1, so its average is the more settled of the two. Written reviews point the same way: 50% of ThinkByte's written reviews are positive against 100% of OfflineGPT's.

UpkeepUpdate frequency

ThinkByte ships an update fortnightly, OfflineGPT every 10 days. The most recent releases landed on September 13, 2026 and July 23, 2026 respectively.

Scorecard5 real differences · 5 level
ThinkByte versus OfflineGPT: the parameters behind the verdict, then further details
ParameterThinkByteOfflineGPT
PriceFreeFree
Rating4.1 (11 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings11 — better1
Update frequencyFortnightlyEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS17.0 — better26.0
Further details — not scored
Size64 MB5 MB
Age rating4+4+
DeveloperByteInk L.L.C-FZNaz Kovalchuk

Customer experience

ThinkByte

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

OfflineGPT

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

ThinkByte

One-time1
  • Lifetime Premium$9.99
2 purchases

OfflineGPT

One-time2
  • Lifetime Access Special$7.00
  • Lifetime Access$15.00

Questions

Is ThinkByte free?
ThinkByte is free to download, with in-app purchases available.
Is OfflineGPT free?
OfflineGPT is free to download, with in-app purchases available.
Which has better reviews, ThinkByte or OfflineGPT?
OfflineGPT is rated higher. ThinkByte averages 4.1 out of 5 from 11 ratings, while OfflineGPT averages 5.0 from 1 ratings.
Do ThinkByte or OfflineGPT have ads?
Neither ThinkByte nor OfflineGPT shows ads.
Which is updated more often, ThinkByte or OfflineGPT?
ThinkByte ships an update fortnightly, and OfflineGPT every 10 days. Most recently, ThinkByte was updated on September 13, 2026 and OfflineGPT on July 23, 2026.

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