AI Mistress vs Ever Collar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI Mistress
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The AI mistress will give different responses depending on factors such as the number of times the app has been launched. The more times the app has been launched, the more intimate the responses will be. *The app name is a pun combining the Japanese pronunciation of AI (AI) and lover (aijin).
Ever Collar
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Ever Collar is a BDSM relationship management app for your unique dynamic: build good behaviors, prevent bad behaviors, encourage focus, and engage in consensual location sharing. With consensual and privacy-first features, any dominant and submissive pair can safely use Ever Collar to start a new dynamic or more deeply build an existing one. Dominants can define behaviors they want their submissives to build -- or just as importantly, behaviors that should be avoided -- and provide rewards or punishments for their completion. With a focus on privacy and consensual usage, Ever Collar is uniquely designed for D/s and BDSM relationships that require discretion and security. Confidently explore your relationship knowing your data is encrypted and that BDSM-focused privacy and consent features are built in. Enable Ever Collar’s privacy features to explore your fetishes and kinks with peace of mind. Features: ・Assign recurring tasks via behaviors ・Create punishments and rewards ・Allow submissives to buy rewards or complete punishments ・Encrypted chat with photo and audio ・One-time or scheduled Focus sessions to encourage concentration ・Enable consensual location sharing with schedulable geofences; submissive can disable this at any time ・Link with multiple partners, whether dominant, submissive, or switch ・View stats about behavior completion ・Receive weekly AI summaries of submissive strengths, weaknesses, and tips for encouragement; dominants and submissives can disable this at any time ・Hide app contents when in background or in app switcher ・Create fully custom themes Terms & Conditions: https://evercollar.com/terms Privacy Policy: https://evercollar.com/privacy FAQ: https://evercollar.com/faq
Screenshots
Verdict
The clearest difference is in-app purchases: AI Mistress at none against Ever Collar's 8. Ever Collar's advantage is ads (none vs shown) and update cadence (every 4 days vs every 11 days). On price, device support and iOS requirement 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. Ever Collar sells 4 in-app purchases, starting at $8.99 per month. AI Mistress asks for nothing beyond the download.
AI Mistress ships an update every 11 days, Ever Collar every 4 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.
| Parameter | AI Mistress | Ever Collar |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 days | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.7.10 | 15.6 — better |
| Further details — not scored | ||
| Size | 36 MB | 145 MB |
| Age rating | 4+ | 17+ |
| Developer | Hideaki Uchikoshi | Iconiplex |
In-app purchases
AI Mistress
No in-app purchases
Ever Collar
- Pro (Monthly)2 variants$8.991 Month
- Premiere (Monthly)2 variants$15.991 Month
- Pro (Yearly)2 variants$64.991 Year
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- Premiere (Yearly)2 variants$114.991 Year








