Postr vs Inbox Agent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Postr
This platform connects creators with brands and recruiters for paid opportunities. Discover campaigns aligned with your niche and monetize your content without the hassle of cold pitching or invoicing.
- Paid brand opportunities
- Niche-aligned campaigns
- Monetize content
- No cold pitching
- Flexible schedule
- Fast payouts
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Postr: The Largest Creator Marketplace Postr is the largest creator marketplace connecting creators, brands, and recruiters, all in one platform. Discover paid brand opportunities, join campaigns that match your niche, and get paid for the content you already love to create. Whether you're a creator, athlete, fitness enthusiast, mom creator, foodie, traveler, or everyday lifestyle creator, Postr makes it easy to turn your content into income. Why Creators Choose Postr: • Get paid for your content • Access real brand deals, no more cold pitching • Work with brands that match your niche • Flexible schedule, create on your terms • Opportunities beyond follower count • Fast payouts, no invoicing headaches
Inbox Agent
Automate your brand deal workflow with AI. This tool connects to your Gmail to find missed opportunities, automatically reply to inquiries, negotiate terms, and track deals. Approve agreements with a single tap and manage all your brand collaborations in one place.
- AI-powered email scanning
- Automated replies and negotiations
- Deal tracking and management
- One-tap deal approval
- Automatic agreement sending
- Gmail integration
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Inbox Agent is your AI brand-deal manager. It handles replies, negotiations and deal tracking so you can focus on creating. How it works: - Connect your existing Gmail (other providers supported soon). - AI scans old emails for deals you may have missed. - AI replies to new emails, negotiates your rates and terms automatically. - When a deal is agreed, you get an alert and approve it with one tap. - An agreement is logged and sent to the brand automatically. - Track progress, earnings, due dates, and conversations all in one place. Inbox Agent requires a subscription. New users get a 14-day free trial, then $349.00/month. Cancel anytime. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Postr at 96% against Inbox Agent's 50%. Postr also leads on rating (4.8 vs 4.1) and in-app purchases (none vs 1). Inbox Agent's advantage is update cadence (every 2 days vs fortnightly). 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. Inbox Agent sells 1 in-app purchase, starting at $149.00 per month. Postr asks for nothing beyond the download.
Postr holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 59 and 13 respectively. Written reviews point the same way: 96% of Postr's written reviews are positive against 50% of Inbox Agent's.
Postr ships an update fortnightly, Inbox Agent every 2 days. The most recent releases landed on September 28, 2026 and September 20, 2026 respectively.
| Parameter | Postr | Inbox Agent |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (59 ratings) — better | 4.1 (13 ratings) |
| Positive reviews | 96.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 59 — better | 13 |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 149 MB | 24 MB |
| Age rating | 12+ | 4+ |
| Developer | Postr Technologies, Inc. | SUMMIT MEDIA GROUP LLC |
Customer experience
Postr
Inbox Agent
In-app purchases
Postr
No in-app purchases
Inbox Agent
- InboxAgent Monthly14 Days trial$149.001 Month
